ide: don't acquire queue lock in ide_pm_execute_rq (b2101f65) · Commits · 戴 / test

There is nothing we can synchronize against over a call to blk_queue_dying. Reviewed-by:

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;