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authorDan Williams <dan.j.williams@intel.com>2015-10-21 13:20:02 -0400
committerJens Axboe <axboe@fb.com>2015-10-21 14:43:38 -0600
commitc7bfced9a6716ff66c9d61f934bb60af08d4688c (patch)
treeca3febf875a4365478296b2993c635899fe1416b /drivers/md/raid1.c
parent9609b9942b180a50b0162419abd2932a41117fe9 (diff)
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/raid1.c')
-rw-r--r--drivers/md/raid1.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 049df6c4a8cc..a881b111fa35 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1621,7 +1621,9 @@ static int raid1_add_disk(struct mddev *mddev, struct md_rdev *rdev)
break;
}
}
+ mddev_suspend(mddev);
md_integrity_add_rdev(rdev, mddev);
+ mddev_resume(mddev);
if (mddev->queue && blk_queue_discard(bdev_get_queue(rdev->bdev)))
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue);
print_conf(conf);