Imported Upstream version 0.6.5.8

[mirror_zfs-debian.git] / config / kernel-submit_bio.m4

diff --git a/config/kernel-submit_bio.m4 b/config/kernel-submit_bio.m4
new file mode 100644 (file)
index 0000000..da5f85c
--- /dev/null
+++ b/config/kernel-submit_bio.m4
@@ -0,0 +1,20 @@
+dnl #
+dnl # 4.8 API change
+dnl # The rw argument has been removed from submit_bio/submit_bio_wait.
+dnl # Callers are now expected to set bio->bi_rw instead of passing it in.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_SUBMIT_BIO], [
+       AC_MSG_CHECKING([whether submit_bio() wants 1 arg])
+       ZFS_LINUX_TRY_COMPILE([
+               #include <linux/bio.h>
+       ],[
+               blk_qc_t blk_qc;
+               struct bio *bio = NULL;
+               blk_qc = submit_bio(bio);
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_1ARG_SUBMIT_BIO, 1, [submit_bio() wants 1 arg])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+])