projects / mirror_zfs-debian.git / blame
| Commit | Line | Data |
|---|---|---|
| c9c0d073 BB |
1 | dnl # |
| 2 | dnl # 2.6.31 API change | |
| 3 | dnl # In 2.6.29 kernels blk_end_request() was a GPL-only symbol, this was | |
| 4 | dnl # changed in 2.6.31 so it may be used by non-GPL modules. | |
| 5 | dnl # | |
| 6 | AC_DEFUN([ZFS_AC_KERNEL_BLK_END_REQUEST], [ | |
| 7 | AC_MSG_CHECKING([whether blk_end_request() is available]) | |
| b9c59ec8 PS |
8 | tmp_flags="$EXTRA_KCFLAGS" |
| 9 | EXTRA_KCFLAGS="-Wno-unused-but-set-variable" | |
| c9c0d073 BB |
10 | ZFS_LINUX_TRY_COMPILE([ |
| 11 | #include <linux/blkdev.h> | |
| 12 | ],[ | |
| 13 | struct request *req = NULL; | |
| 14 | (void) blk_end_request(req, 0, 0); | |
| 15 | ],[ | |
| 16 | AC_MSG_RESULT(yes) | |
| 17 | AC_DEFINE(HAVE_BLK_END_REQUEST, 1, | |
| 18 | [blk_end_request() is available]) | |
| 19 | ],[ | |
| 20 | AC_MSG_RESULT(no) | |
| 21 | ]) | |
| 22 | ||
| 23 | AC_MSG_CHECKING([whether blk_end_request() is GPL-only]) | |
| 24 | ZFS_LINUX_TRY_COMPILE([ | |
| 25 | #include <linux/module.h> | |
| 26 | #include <linux/blkdev.h> | |
| 27 | ||
| 28 | MODULE_LICENSE("CDDL"); | |
| 29 | ],[ | |
| 30 | struct request *req = NULL; | |
| 31 | (void) blk_end_request(req, 0, 0); | |
| 32 | ],[ | |
| 33 | AC_MSG_RESULT(no) | |
| 34 | ],[ | |
| 35 | AC_MSG_RESULT(yes) | |
| 36 | AC_DEFINE(HAVE_BLK_END_REQUEST_GPL_ONLY, 1, | |
| 37 | [blk_end_request() is GPL-only]) | |
| 38 | ]) | |
| b9c59ec8 | 39 | EXTRA_KCFLAGS="$tmp_flags" |
| c9c0d073 | 40 | ]) |