[PATCH 08/12] block: mq-deadline: Simplify deadline_skip_seq_writes()

[Bart Van Assche <bvanassche@xxxxxxx>]

Make deadline_skip_seq_writes() shorter without changing its
functionality.

Cc: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Ming Lei <ming.lei@xxxxxxxxxx>
Cc: Mike Snitzer <snitzer@xxxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
 block/mq-deadline.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/block/mq-deadline.c b/block/mq-deadline.c
index d885ccf49170..50a9d3b0a291 100644
--- a/block/mq-deadline.c
+++ b/block/mq-deadline.c
@@ -312,12 +312,9 @@ static struct request *deadline_skip_seq_writes(struct deadline_data *dd,
 						struct request *rq)
 {
 	sector_t pos = blk_rq_pos(rq);
-	sector_t skipped_sectors = 0;
 
-	while (rq) {
-		if (blk_rq_pos(rq) != pos + skipped_sectors)
-			break;
-		skipped_sectors += blk_rq_sectors(rq);
+	while (rq && blk_rq_pos(rq) == pos) {
+		pos += blk_rq_sectors(rq);
 		rq = deadline_latter_request(rq);
 	}