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authorChristoph Hellwig <hch@lst.de>2018-11-16 09:10:05 +0100
committerJens Axboe <axboe@kernel.dk>2018-11-16 09:17:02 -0700
commitf04842734c7a68381ab3cb45628ffb3ff1029490 (patch)
tree94adc330c45e384d3f3c916884c98e7346184a23 /drivers/ide
parentb2101f655f8f6bd510154364e24d1cdba037133f (diff)
downloadlinux-f04842734c7a68381ab3cb45628ffb3ff1029490.tar.bz2
ide: don't acquire queue_lock in ide_complete_pm_rq
blk_mq_stop_hw_queues doesn't need any locking, and the ide dev_flags field isn't protected by it either. 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.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c
index 56690f523100..192e6c65d34e 100644
--- a/drivers/ide/ide-pm.c
+++ b/drivers/ide/ide-pm.c
@@ -201,7 +201,6 @@ void ide_complete_pm_rq(ide_drive_t *drive, struct request *rq)
{
struct request_queue *q = drive->queue;
struct ide_pm_state *pm = ide_req(rq)->special;
- unsigned long flags;
ide_complete_power_step(drive, rq);
if (pm->pm_step != IDE_PM_COMPLETED)
@@ -211,12 +210,10 @@ void ide_complete_pm_rq(ide_drive_t *drive, struct request *rq)
printk("%s: completing PM request, %s\n", drive->name,
(ide_req(rq)->type == ATA_PRIV_PM_SUSPEND) ? "suspend" : "resume");
#endif
- spin_lock_irqsave(&q->queue_lock, flags);
if (ide_req(rq)->type == ATA_PRIV_PM_SUSPEND)
blk_mq_stop_hw_queues(q);
else
drive->dev_flags &= ~IDE_DFLAG_BLOCKED;
- spin_unlock_irqrestore(&q->queue_lock, flags);
drive->hwif->rq = NULL;