projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| f1a05fa1 NB |
1 | dnl # |
| 2 | dnl # 3.6 API change | |
| 3 | dnl # | |
| 4 | AC_DEFUN([ZFS_AC_KERNEL_D_REVALIDATE_NAMEIDATA], [ | |
| 5 | AC_MSG_CHECKING([whether dops->d_revalidate() takes struct nameidata]) | |
| 6 | ZFS_LINUX_TRY_COMPILE([ | |
| 7 | #include <linux/dcache.h> | |
| 8 | ],[ | |
| 9 | int (*revalidate) (struct dentry *, struct nameidata *) = NULL; | |
| 10 | struct dentry_operations dops __attribute__ ((unused)) = { | |
| 11 | .d_revalidate = revalidate, | |
| 12 | }; | |
| 13 | ],[ | |
| 14 | AC_MSG_RESULT(yes) | |
| 15 | AC_DEFINE(HAVE_D_REVALIDATE_NAMEIDATA, 1, | |
| 16 | [dops->d_revalidate() operation takes nameidata]) | |
| 17 | ],[ | |
| 18 | AC_MSG_RESULT(no) | |
| 19 | ]) | |
| 20 | ]) | |
| 21 | ||
| 22 | dnl # | |
| 23 | dnl # 2.6.30 API change | |
| 24 | dnl # The 'struct dentry_operations' was constified in the dentry structure. | |
| 25 | dnl # | |
| 26 | AC_DEFUN([ZFS_AC_KERNEL_CONST_DENTRY_OPERATIONS], [ | |
| 27 | AC_MSG_CHECKING([whether dentry uses const struct dentry_operations]) | |
| 28 | ZFS_LINUX_TRY_COMPILE([ | |
| 29 | #include <linux/dcache.h> | |
| 30 | ||
| 31 | const struct dentry_operations test_d_op = { | |
| 32 | .d_revalidate = NULL, | |
| 33 | }; | |
| 34 | ],[ | |
| 35 | struct dentry d __attribute__ ((unused)); | |
| 36 | ||
| 37 | d.d_op = &test_d_op; | |
| 38 | ],[ | |
| 39 | AC_MSG_RESULT(yes) | |
| 40 | AC_DEFINE(HAVE_CONST_DENTRY_OPERATIONS, 1, | |
| 41 | [dentry uses const struct dentry_operations]) | |
| 42 | ],[ | |
| 43 | AC_MSG_RESULT(no) | |
| 44 | ]) | |
| 45 | ]) | |
| 46 | ||
| 47 | dnl # | |
| 48 | dnl # 2.6.38 API change | |
| 49 | dnl # Added d_set_d_op() helper function. | |
| 50 | dnl # | |
| 51 | AC_DEFUN([ZFS_AC_KERNEL_D_SET_D_OP], | |
| 52 | [AC_MSG_CHECKING([whether d_set_d_op() is available]) | |
| 53 | ZFS_LINUX_TRY_COMPILE_SYMBOL([ | |
| 54 | #include <linux/dcache.h> | |
| 55 | ], [ | |
| 56 | d_set_d_op(NULL, NULL); | |
| 57 | ], [d_set_d_op], [fs/dcache.c], [ | |
| 58 | AC_MSG_RESULT(yes) | |
| 59 | AC_DEFINE(HAVE_D_SET_D_OP, 1, | |
| 60 | [d_set_d_op() is available]) | |
| 61 | ], [ | |
| 62 | AC_MSG_RESULT(no) | |
| 63 | ]) | |
| 64 | ]) |