1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 6e5d5a5f9cb4..fd86b372692d 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -967,6 +967,7 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule)
                 bio_list_merge(&conf->pending_bio_list, &plug->pending);
                 conf->pending_count += plug->pending_cnt;
                 spin_unlock_irq(&conf->device_lock);
+                wake_up(&conf->wait_barrier);
                 md_wakeup_thread(mddev->thread);
                 kfree(plug);
                 return;