Commit 50947d7f authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

blk-mq: don't plug for head insertions in blk_execute_rq_nowait 



Plugs never insert at head, so don't plug for head insertions.

Fixes: 1c2d2fff ("block: wire-up support for passthrough plugging")
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Reviewed-by: default avatarDamien Le Moal <dlemoal@kernel.org>
Link: https://lore.kernel.org/r/20230413064057.707578-2-hch@lst.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 8e15dfbd

block/blk-mq.c

+1 −1
Original line number Diff line number Diff line
@@ -1299,7 +1299,7 @@ void blk_execute_rq_nowait(struct request *rq, bool at_head) 
	 * device, directly accessing the plug instead of using blk_mq_plug()

	 * should not have any consequences.

	 */

	if (current->plug)

	if (current->plug && !at_head)

		blk_add_rq_to_plug(current->plug, rq);

	else

		blk_mq_sched_insert_request(rq, at_head, true, false);