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authorBrian Behlendorf <[email protected]>2016-07-27 02:23:53 +0000
committerBrian Behlendorf <[email protected]>2016-07-29 14:48:00 -0700
commitbbb1b6cea75ff8ff27742ce778664ddeec371a01 (patch)
tree14250e654221384e36fa8179144a59714d2af477 /config
parentf26b4b3c8a0db1b215caeeb80868381bc324d449 (diff)
Linux 4.8 compat: submit_bio()
The rw argument has been removed from submit_bio/submit_bio_wait. Callers are now expected to set bio->bi_rw instead of passing it in. See https://github.com/torvalds/linux/commit/4e49ea4a for complete details. Signed-off-by: Tim Chase <[email protected]> Signed-off-by: Chunwei Chen <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #4892 Issue #4899
Diffstat (limited to 'config')
-rw-r--r--config/kernel-submit_bio.m420
-rw-r--r--config/kernel.m41
2 files changed, 21 insertions, 0 deletions
diff --git a/config/kernel-submit_bio.m4 b/config/kernel-submit_bio.m4
new file mode 100644
index 000000000..da5f85ca7
--- /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)
+ ])
+])
diff --git a/config/kernel.m4 b/config/kernel.m4
index ac6c08ffe..7edafee0f 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -8,6 +8,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_CONFIG
ZFS_AC_KERNEL_DECLARE_EVENT_CLASS
ZFS_AC_KERNEL_CURRENT_BIO_TAIL
+ ZFS_AC_KERNEL_SUBMIT_BIO
ZFS_AC_KERNEL_BDEV_BLOCK_DEVICE_OPERATIONS
ZFS_AC_KERNEL_BLOCK_DEVICE_OPERATIONS_RELEASE_VOID
ZFS_AC_KERNEL_TYPE_FMODE_T