diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2015-10-21 13:20:02 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-10-21 14:43:38 -0600 |
| commit | c7bfced9a6716ff66c9d61f934bb60af08d4688c (patch) | |
| tree | ca3febf875a4365478296b2993c635899fe1416b /drivers/md/multipath.c | |
| parent | 9609b9942b180a50b0162419abd2932a41117fe9 (diff) | |
| download | linux-c7bfced9a6716ff66c9d61f934bb60af08d4688c.tar.gz | |
md: suspend i/o during runtime blk_integrity_unregister
Synchronize pending i/o against a change in the integrity profile to
avoid the possibility of spurious integrity errors. Given linear_add()
is suspending the mddev before manipulating the mddev, do the same for
the other personalities.
Acked-by: NeilBrown <neilb@suse.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/md/multipath.c')
| -rw-r--r-- | drivers/md/multipath.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index d132f06afdd1..7331a80d89f1 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -264,7 +264,9 @@ static int multipath_add_disk(struct mddev *mddev, struct md_rdev *rdev) spin_unlock_irq(&conf->device_lock); rcu_assign_pointer(p->rdev, rdev); err = 0; + mddev_suspend(mddev); md_integrity_add_rdev(rdev, mddev); + mddev_resume(mddev); break; } |