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Linux 5.16 compat: submit_bio()

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The submit_bio() prototype has changed again.  The version is 5.16
still only expects a single argument but the return type has changed
to void.  Since we never used the returned value before update the
configure check to detect both single arg versions.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Alexander Lobakin <alobakin@pm.me>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #12725
This commit is contained in:
Brian Behlendorf 2021-11-05 17:17:03 -07:00 committed by Tony Hutter
parent b8b3b93ebb
commit 6de5c440fa
2 changed files with 3 additions and 4 deletions
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3
config/kernel-bio.m4
View File

@ -294,9 +294,8 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_BIO_SUBMIT_BIO], [
ZFS_LINUX_TEST_SRC([submit_bio], [
#include <linux/bio.h>
],[
blk_qc_t blk_qc;
struct bio *bio = NULL;
blk_qc = submit_bio(bio);
(void) submit_bio(bio);
])
])

4
module/os/linux/zfs/vdev_disk.c
View File

@ -438,9 +438,9 @@ static inline void
vdev_submit_bio_impl(struct bio *bio)
{
#ifdef HAVE_1ARG_SUBMIT_BIO
submit_bio(bio);
(void) submit_bio(bio);
#else
submit_bio(0, bio);
(void) submit_bio(0, bio);
#endif
}