diff options
Diffstat (limited to 'config/kernel-rq-for-each_segment.m4')
| -rw-r--r-- | config/kernel-rq-for-each_segment.m4 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/config/kernel-rq-for-each_segment.m4 b/config/kernel-rq-for-each_segment.m4 new file mode 100644 index 000000000..15f030f35 --- /dev/null +++ b/config/kernel-rq-for-each_segment.m4 @@ -0,0 +1,20 @@ +dnl # +dnl # 2.6.x API change +dnl # +AC_DEFUN([ZFS_AC_KERNEL_RQ_FOR_EACH_SEGMENT], [ + AC_MSG_CHECKING([whether rq_for_each_segment() is available]) + ZFS_LINUX_TRY_COMPILE([ + #include <linux/blkdev.h> + ],[ + struct bio_vec *bv; + struct req_iterator iter; + struct request *req = NULL; + rq_for_each_segment(bv, req, iter) { } + ],[ + AC_MSG_RESULT(yes) + AC_DEFINE(HAVE_RQ_FOR_EACH_SEGMENT, 1, + [rq_for_each_segment() is available]) + ],[ + AC_MSG_RESULT(no) + ]) +]) |