[PATCH] ublk: optimize ublk_rq_has_data()

[Caleb Sander Mateos]

ublk_rq_has_data() currently uses bio_has_data(), which involves 2
indirections and several branches. Use blk_rq_bytes() instead, which
performs a single indirection with no branches.

Signed-off-by: Caleb Sander Mateos <csander@xxxxxxxxxxxxxxx>
---
 drivers/block/ublk_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index ef8a0705e68b..5f9b3c3876f4 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -1172,11 +1172,11 @@ static inline struct ublk_queue *ublk_get_queue(struct ublk_device *dev,
 	return dev->queues[qid];
 }
 
 static inline bool ublk_rq_has_data(const struct request *rq)
 {
-	return bio_has_data(rq->bio);
+	return blk_rq_bytes(rq);
 }
 
 static inline struct ublksrv_io_desc *
 ublk_queue_cmd_buf(struct ublk_device *ub, int q_id)
 {
-- 
2.45.2