Commit 2c50ec98 authored by Jens Axboe's avatar Jens Axboe
Browse files

block: remove redundant passthrough check in blk_mq_need_time_stamp() 



Simply checking the rq_flags is enough to determine if accounting is
being done for this request.

Reviewed-by: default avatarKeith Busch <kbusch@kernel.org>
Reviewed-by: default avatarAnuj Gupta <anuj20.g@samsung.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 89338056

include/linux/blk-mq.h

+0 −6
Original line number Diff line number Diff line
@@ -857,12 +857,6 @@ void blk_mq_end_request_batch(struct io_comp_batch *ib); 
 */

static inline bool blk_mq_need_time_stamp(struct request *rq)

{

	/*

	 * passthrough io doesn't use iostat accounting, cgroup stats

	 * and io scheduler functionalities.

	 */

	if (blk_rq_is_passthrough(rq))

		return false;

	return (rq->rq_flags & (RQF_IO_STAT | RQF_STATS | RQF_USE_SCHED));

}