diff --git a/block/blk-mq.c b/block/blk-mq.c
index 7e5303820452a4af47a991a24179f3d8409fe359..b355b5957cd72518b7a196fd92f7c9c07a89678b 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1172,7 +1172,12 @@ static void blk_mq_make_request(struct request_queue *q, struct bio *bio)
 		goto run_queue;
 	}
 
-	if (is_sync) {
+	/*
+	 * If the driver supports defer issued based on 'last', then
+	 * queue it up like normal since we can potentially save some
+	 * CPU this way.
+	 */
+	if (is_sync && !(data.hctx->flags & BLK_MQ_F_DEFER_ISSUE)) {
 		struct blk_mq_queue_data bd = {
 			.rq = rq,
 			.list = NULL,
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index be01d7a687d4044ce74bd829d6a2cc6c983acc0f..c3b64ec5321e740f38d947c7538219f0b942bbf1 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -146,6 +146,7 @@ enum {
 	BLK_MQ_F_TAG_SHARED	= 1 << 1,
 	BLK_MQ_F_SG_MERGE	= 1 << 2,
 	BLK_MQ_F_SYSFS_UP	= 1 << 3,
+	BLK_MQ_F_DEFER_ISSUE	= 1 << 4,
 
 	BLK_MQ_S_STOPPED	= 0,
 	BLK_MQ_S_TAG_ACTIVE	= 1,