diff --git a/block/blk-mq.c b/block/blk-mq.c
index b5633501f181..65340847b51e 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -628,6 +628,9 @@ static void blk_mq_rq_timer(unsigned long priv)
 	};
 	int i;
 
+	if (blk_queue_enter(q, GFP_NOWAIT))
+		return;
+
 	blk_mq_queue_tag_busy_iter(q, blk_mq_check_expired, &data);
 
 	if (data.next_set) {
@@ -642,6 +645,7 @@ static void blk_mq_rq_timer(unsigned long priv)
 				blk_mq_tag_idle(hctx);
 		}
 	}
+	blk_queue_exit(q);
 }
 
 /*
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index aa40aa93381b..2bc03df554a6 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -134,6 +134,8 @@ void blk_rq_timed_out_timer(unsigned long data)
 	struct request *rq, *tmp;
 	int next_set = 0;
 
+	if (blk_queue_enter(q, GFP_NOWAIT))
+		return;
 	spin_lock_irqsave(q->queue_lock, flags);
 
 	list_for_each_entry_safe(rq, tmp, &q->timeout_list, timeout_list)
@@ -143,6 +145,7 @@ void blk_rq_timed_out_timer(unsigned long data)
 		mod_timer(&q->timeout, round_jiffies_up(next));
 
 	spin_unlock_irqrestore(q->queue_lock, flags);
+	blk_queue_exit(q);
 }
 
 /**