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Linux 4.8 compat: submit_bio()

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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 <tim@chase2k.com>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #4892
Issue #4899
This commit is contained in:
Brian Behlendorf
2016-07-27 02:23:53 +00:00
parent f26b4b3c8a
commit bbb1b6cea7
3 changed files with 34 additions and 2 deletions
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config/kernel-submit_bio.m4
+20
View File
@@ -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)
])
])
config/kernel.m4
+1
View File
@@ -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