projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| 57ae8400 | 1 | dnl # |
| 7a789346 | 2 | dnl # Linux 3.16 API |
| 57ae8400 | 3 | dnl # |
| 608f8749 BB |
4 | AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_RW_ITERATE], [ |
| 5 | ZFS_LINUX_TEST_SRC([file_operations_rw], [ | |
| 57ae8400 MK |
6 | #include <linux/fs.h> |
| 7 | ||
| a41d0b29 | 8 | static ssize_t test_read(struct kiocb *kiocb, struct iov_iter *to) |
| 57ae8400 | 9 | { return 0; } |
| a41d0b29 | 10 | static ssize_t test_write(struct kiocb *kiocb, struct iov_iter *from) |
| 57ae8400 MK |
11 | { return 0; } |
| 12 | ||
| 13 | static const struct file_operations | |
| 14 | fops __attribute__ ((unused)) = { | |
| 15 | .read_iter = test_read, | |
| 16 | .write_iter = test_write, | |
| 17 | }; | |
| 608f8749 | 18 | ],[]) |
| 7a789346 | 19 | |
| 608f8749 BB |
20 | ZFS_LINUX_TEST_SRC([new_sync_rw], [ |
| 21 | #include <linux/fs.h> | |
| 7a789346 | 22 | ],[ |
| 608f8749 BB |
23 | ssize_t ret __attribute__ ((unused)); |
| 24 | struct file *filp = NULL; | |
| 25 | char __user *rbuf = NULL; | |
| 26 | const char __user *wbuf = NULL; | |
| 27 | size_t len = 0; | |
| 28 | loff_t ppos; | |
| 29 | ||
| 30 | ret = new_sync_read(filp, rbuf, len, &ppos); | |
| 31 | ret = new_sync_write(filp, wbuf, len, &ppos); | |
| 7a789346 CC |
32 | ]) |
| 33 | ]) | |
| 34 | ||
| 608f8749 BB |
35 | AC_DEFUN([ZFS_AC_KERNEL_VFS_RW_ITERATE], [ |
| 36 | AC_MSG_CHECKING([whether fops->read/write_iter() are available]) | |
| 37 | ZFS_LINUX_TEST_RESULT([file_operations_rw], [ | |
| 7a789346 | 38 | AC_MSG_RESULT(yes) |
| 608f8749 BB |
39 | AC_DEFINE(HAVE_VFS_RW_ITERATE, 1, |
| 40 | [fops->read/write_iter() are available]) | |
| 41 | ||
| 42 | dnl # | |
| 43 | dnl # Linux 4.1 API | |
| 44 | dnl # | |
| 45 | AC_MSG_CHECKING([whether new_sync_read/write() are available]) | |
| 46 | ZFS_LINUX_TEST_RESULT([new_sync_rw], [ | |
| 47 | AC_MSG_RESULT(yes) | |
| 48 | AC_DEFINE(HAVE_NEW_SYNC_READ, 1, | |
| 49 | [new_sync_read()/new_sync_write() are available]) | |
| 50 | ],[ | |
| 51 | AC_MSG_RESULT(no) | |
| 52 | ]) | |
| 57ae8400 MK |
53 | ],[ |
| 54 | AC_MSG_RESULT(no) | |
| 55 | ]) | |
| 56 | ]) | |
| 933ec999 CC |
57 | |
| 58 | dnl # | |
| 59 | dnl # Linux 4.1.x API | |
| 60 | dnl # | |
| 608f8749 BB |
61 | AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_GENERIC_WRITE_CHECKS], [ |
| 62 | ZFS_LINUX_TEST_SRC([generic_write_checks], [ | |
| 933ec999 | 63 | #include <linux/fs.h> |
| 933ec999 CC |
64 | ],[ |
| 65 | struct kiocb *iocb = NULL; | |
| 66 | struct iov_iter *iov = NULL; | |
| 67 | generic_write_checks(iocb, iov); | |
| 608f8749 BB |
68 | ]) |
| 69 | ]) | |
| 70 | ||
| 71 | AC_DEFUN([ZFS_AC_KERNEL_VFS_GENERIC_WRITE_CHECKS], [ | |
| 72 | AC_MSG_CHECKING([whether generic_write_checks() takes kiocb]) | |
| 73 | ZFS_LINUX_TEST_RESULT([generic_write_checks], [ | |
| 933ec999 CC |
74 | AC_MSG_RESULT(yes) |
| 75 | AC_DEFINE(HAVE_GENERIC_WRITE_CHECKS_KIOCB, 1, | |
| 608f8749 | 76 | [generic_write_checks() takes kiocb]) |
| 933ec999 CC |
77 | ],[ |
| 78 | AC_MSG_RESULT(no) | |
| 79 | ]) | |
| 80 | ]) |