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Diffstat (limited to 'config/kernel-blk-rq-pos.m4')
| -rw-r--r-- | config/kernel-blk-rq-pos.m4 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/config/kernel-blk-rq-pos.m4 b/config/kernel-blk-rq-pos.m4 new file mode 100644 index 000000000..aaa464665 --- /dev/null +++ b/config/kernel-blk-rq-pos.m4 @@ -0,0 +1,18 @@ +dnl # +dnl # 2.6.31 API change +dnl # +AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_POS], [ + AC_MSG_CHECKING([whether blk_rq_pos() is available]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/blkdev.h> + ],[ + struct request *req = NULL; + (void) blk_rq_pos(req); + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_BLK_RQ_POS, 1, + [blk_rq_pos() is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) |