diff --git a/block/blk-mq.c b/block/blk-mq.c
index a2b735263dffcea929c032c768f7ecd6174d6044..c77f1204f2d7c102d616c58c1844a494dba337e1 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -627,6 +627,12 @@ int blk_mq_request_started(struct request *rq)
 }
 EXPORT_SYMBOL_GPL(blk_mq_request_started);
 
+int blk_mq_request_completed(struct request *rq)
+{
+	return blk_mq_rq_state(rq) == MQ_RQ_COMPLETE;
+}
+EXPORT_SYMBOL_GPL(blk_mq_request_completed);
+
 void blk_mq_start_request(struct request *rq)
 {
 	struct request_queue *q = rq->q;
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 4878d8ed491456a5a11c9e60d23dc1cc8f7ef6b2..b414cad68024b3bb4131b859a4a4c4d3ff012d48 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -288,6 +288,7 @@ static inline u16 blk_mq_unique_tag_to_tag(u32 unique_tag)
 
 
 int blk_mq_request_started(struct request *rq);
+int blk_mq_request_completed(struct request *rq);
 void blk_mq_start_request(struct request *rq);
 void blk_mq_end_request(struct request *rq, blk_status_t error);
 void __blk_mq_end_request(struct request *rq, blk_status_t error);