1 files changed, 0 insertions, 11 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index cf95e8e0881a..2c105cb2a75b 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -667,15 +667,6 @@ void blk_mq_start_request(struct request *rq)
 	blk_add_timer(rq);
 	WRITE_ONCE(rq->state, MQ_RQ_IN_FLIGHT);
 
-	if (q->dma_drain_size && blk_rq_bytes(rq)) {
-		/*
-		 * Make sure space for the drain appears.  We know we can do
-		 * this because max_hw_segments has been adjusted to be one
-		 * fewer than the device can handle.
-		 */
-		rq->nr_phys_segments++;
-	}
-
 #ifdef CONFIG_BLK_DEV_INTEGRITY
 	if (blk_integrity_rq(rq) && req_op(rq) == REQ_OP_WRITE)
 		q->integrity.profile->prepare_fn(rq);
@@ -695,8 +686,6 @@ static void __blk_mq_requeue_request(struct request *rq)
 	if (blk_mq_request_started(rq)) {
 		WRITE_ONCE(rq->state, MQ_RQ_IDLE);
 		rq->rq_flags &= ~RQF_TIMED_OUT;
-		if (q->dma_drain_size && blk_rq_bytes(rq))
-			rq->nr_phys_segments--;
 	}
 }