From: Yu Kuai <yukuai3@xxxxxxxxxx>
dm_suspend() already make sure that no new IO can be issued and will
wait for all dispatched IO to be done. There is no need to call
mddev_suspend() to make sure that again.
Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
---
drivers/md/dm-raid.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 6b6c011d9f69..f1637cf88559 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -3241,7 +3241,7 @@ static int raid_ctr(struct dm_target *ti, unsigned int argc, char **argv)
rs->md.in_sync = 1;
/* Has to be held on running the array */
- mddev_suspend_and_lock_nointr(&rs->md);
+ mddev_lock_nointr(&rs->md);
/* Keep array frozen until resume. */
md_frozen_sync_thread(&rs->md);
@@ -3825,11 +3825,9 @@ static void raid_postsuspend(struct dm_target *ti)
{
struct raid_set *rs = ti->private;
- if (!test_and_set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags)) {
+ if (!test_and_set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags))
/* Writes have to be stopped before suspending to avoid deadlocks. */
md_stop_writes(&rs->md);
- mddev_suspend(&rs->md, false);
- }
}
static void attempt_restore_of_faulty_devices(struct raid_set *rs)
@@ -4085,7 +4083,7 @@ static void raid_resume(struct dm_target *ti)
mddev->ro = 0;
mddev->in_sync = 0;
md_unfrozen_sync_thread(mddev);
- mddev_unlock_and_resume(mddev);
+ mddev_unlock(mddev);
}
}
--
2.39.2
