Commit b2101f65 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

ide: don't acquire queue lock in ide_pm_execute_rq 



There is nothing we can synchronize against over a call to
blk_queue_dying.

Reviewed-by: default avatarOmar Sandoval <osandov@fb.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent a50f9aec

drivers/ide/ide-pm.c

+0 −3
Original line number Diff line number Diff line
@@ -44,15 +44,12 @@ static int ide_pm_execute_rq(struct request *rq) 
{

	struct request_queue *q = rq->q;



	spin_lock_irq(&q->queue_lock);

	if (unlikely(blk_queue_dying(q))) {

		rq->rq_flags |= RQF_QUIET;

		scsi_req(rq)->result = -ENXIO;

		spin_unlock_irq(&q->queue_lock);

		blk_mq_end_request(rq, BLK_STS_OK);

		return -ENXIO;

	}

	spin_unlock_irq(&q->queue_lock);

	blk_execute_rq(q, NULL, rq, true);



	return scsi_req(rq)->result ? -EIO : 0;