diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index bf356de30134..c1c654319287 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -484,11 +484,8 @@ void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_iter_fn *fn,
 	/*
 	 * Avoid potential races with things like queue removal.
 	 */
-	rcu_read_lock();
-	if (percpu_ref_is_zero(&q->q_usage_counter)) {
-		rcu_read_unlock();
+	if (!percpu_ref_tryget(&q->q_usage_counter))
 		return;
-	}
 
 	queue_for_each_hw_ctx(q, hctx, i) {
 		struct blk_mq_tags *tags = hctx->tags;
@@ -505,7 +502,7 @@ void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_iter_fn *fn,
 		bt_for_each(hctx, &tags->bitmap_tags, tags->nr_reserved_tags, fn, priv,
 		      false);
 	}
-	rcu_read_unlock();
+	blk_queue_exit(q);
 }
 
 static unsigned int bt_unused_tags(struct blk_mq_bitmap_tags *bt)