projects / mirror_zfs.git / blame
| Commit | Line | Data |
|---|---|---|
| cb2d1901 ED |
1 | dnl # |
| 2 | dnl # Linux 2.6.38 - 3.x API | |
| 3 | dnl # | |
| 4 | AC_DEFUN([ZFS_AC_KERNEL_FILE_FALLOCATE], [ | |
| 5 | AC_MSG_CHECKING([whether fops->fallocate() exists]) | |
| 6 | ZFS_LINUX_TRY_COMPILE([ | |
| 7 | #include <linux/fs.h> | |
| c38367c7 RY |
8 | |
| 9 | long test_fallocate(struct file *file, int mode, | |
| 10 | loff_t offset, loff_t len) { return 0; } | |
| 11 | ||
| 12 | static const struct file_operations | |
| 13 | fops __attribute__ ((unused)) = { | |
| 14 | .fallocate = test_fallocate, | |
| cb2d1901 | 15 | }; |
| c38367c7 | 16 | ],[ |
| cb2d1901 ED |
17 | ],[ |
| 18 | AC_MSG_RESULT(yes) | |
| 19 | AC_DEFINE(HAVE_FILE_FALLOCATE, 1, [fops->fallocate() exists]) | |
| 20 | ],[ | |
| 21 | AC_MSG_RESULT(no) | |
| 22 | ]) | |
| 23 | ]) | |
| 24 | ||
| 25 | dnl # | |
| 26 | dnl # Linux 2.6.x - 2.6.37 API | |
| 27 | dnl # | |
| 28 | AC_DEFUN([ZFS_AC_KERNEL_INODE_FALLOCATE], [ | |
| 29 | AC_MSG_CHECKING([whether iops->fallocate() exists]) | |
| 30 | ZFS_LINUX_TRY_COMPILE([ | |
| 31 | #include <linux/fs.h> | |
| cb2d1901 | 32 | |
| c38367c7 RY |
33 | long test_fallocate(struct inode *inode, int mode, |
| 34 | loff_t offset, loff_t len) { return 0; } | |
| 35 | ||
| 36 | static const struct inode_operations | |
| 37 | fops __attribute__ ((unused)) = { | |
| 38 | .fallocate = test_fallocate, | |
| 0a6b03d3 | 39 | }; |
| c38367c7 | 40 | ],[ |
| 0a6b03d3 RY |
41 | ],[ |
| 42 | AC_MSG_RESULT(yes) | |
| c38367c7 | 43 | AC_DEFINE(HAVE_INODE_FALLOCATE, 1, [fops->fallocate() exists]) |
| 0a6b03d3 RY |
44 | ],[ |
| 45 | AC_MSG_RESULT(no) | |
| 46 | ]) | |
| 47 | ]) | |
| 48 | ||
| cb2d1901 ED |
49 | dnl # |
| 50 | dnl # The fallocate callback was moved from the inode_operations | |
| 51 | dnl # structure to the file_operations structure. | |
| 52 | dnl # | |
| 53 | AC_DEFUN([ZFS_AC_KERNEL_FALLOCATE], [ | |
| 54 | ZFS_AC_KERNEL_FILE_FALLOCATE | |
| 55 | ZFS_AC_KERNEL_INODE_FALLOCATE | |
| 56 | ]) |