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| author |   Shaohua Li <shli@fb.com> | 2017-09-21 10:23:35 -0700 |
|---|---|---|
| committer | Shaohua Li <shli@fb.com> | 2017-09-27 20:07:40 -0700 |
| commit | 393debc23c7820211d1c8253dd6a8408a7628fe7 (patch) | |
| tree | f7306f2a4c7e664e27758edfafb23616ca0c90f2 /drivers/md/md.h | |
| parent | Merge tag 'kbuild-fixes-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild (diff) | |
| download | linux-dev-393debc23c7820211d1c8253dd6a8408a7628fe7.tar.xz linux-dev-393debc23c7820211d1c8253dd6a8408a7628fe7.zip | |
md: separate request handling
With commit cc27b0c78c79, pers->make_request could bail out without handling
the bio. If that happens, we should retry. The commit fixes md_make_request
but not other call sites. Separate the request handling part, so other call
sites can use it.
Reported-by: Nate Dailey <nate.dailey@stratus.com>
Fix: cc27b0c78c79(md: fix deadlock between mddev_suspend() and md_write_start())
Cc: stable@vger.kernel.org
Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/md/md.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index 561d22b9a9a8..d8287d3cd1bf 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -692,6 +692,7 @@ extern void md_stop_writes(struct mddev *mddev); extern int md_rdev_init(struct md_rdev *rdev); extern void md_rdev_clear(struct md_rdev *rdev); +extern void md_handle_request(struct mddev *mddev, struct bio *bio); extern void mddev_suspend(struct mddev *mddev); extern void mddev_resume(struct mddev *mddev); extern struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs, |