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| author | Christoph Hellwig <hch@lst.de> | 2018-11-16 09:10:04 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-11-16 09:17:00 -0700 |
| commit | b2101f655f8f6bd510154364e24d1cdba037133f (patch) | |
| tree | 427c4be5d2bd82716cef1217e415260c26bba7fb /drivers/ide | |
| parent | a50f9aec1ac713dd25f1b1b443d97aa2fc69f740 (diff) | |
| download | linux-stable-b2101f655f8f6bd510154364e24d1cdba037133f.tar.gz linux-stable-b2101f655f8f6bd510154364e24d1cdba037133f.tar.bz2 linux-stable-b2101f655f8f6bd510154364e24d1cdba037133f.zip | |
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: Omar Sandoval <osandov@fb.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ide')
| -rw-r--r-- | drivers/ide/ide-pm.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c index 51fe10ac02fa..56690f523100 100644 --- a/drivers/ide/ide-pm.c +++ b/drivers/ide/ide-pm.c @@ -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; |