diff options
author | Bart Van Assche <bart.vanassche@sandisk.com> | 2016-10-28 17:22:00 -0700 |
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committer | Jens Axboe <axboe@fb.com> | 2016-11-02 12:50:19 -0600 |
commit | f0d33ab76cfcd696328c1330e2462b5d62e74f00 (patch) | |
tree | a4dd0bfca392efcbde3c0d9f418d53b66aeeca0e /drivers/md | |
parent | 2b053aca76b48e681be57b34ca3a8c2c10b275c5 (diff) | |
download | op-kernel-dev-f0d33ab76cfcd696328c1330e2462b5d62e74f00.zip op-kernel-dev-f0d33ab76cfcd696328c1330e2462b5d62e74f00.tar.gz |
dm: Use BLK_MQ_S_STOPPED instead of QUEUE_FLAG_STOPPED in blk-mq code
Instead of manipulating both QUEUE_FLAG_STOPPED and BLK_MQ_S_STOPPED
in the dm start and stop queue functions, only manipulate the latter
flag. Change blk_queue_stopped() tests into blk_mq_queue_stopped().
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/dm-rq.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 3152579..09c958b 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -75,12 +75,6 @@ static void dm_old_start_queue(struct request_queue *q) static void dm_mq_start_queue(struct request_queue *q) { - unsigned long flags; - - spin_lock_irqsave(q->queue_lock, flags); - queue_flag_clear(QUEUE_FLAG_STOPPED, q); - spin_unlock_irqrestore(q->queue_lock, flags); - blk_mq_start_stopped_hw_queues(q, true); blk_mq_kick_requeue_list(q); } @@ -105,16 +99,8 @@ static void dm_old_stop_queue(struct request_queue *q) static void dm_mq_stop_queue(struct request_queue *q) { - unsigned long flags; - - spin_lock_irqsave(q->queue_lock, flags); - if (blk_queue_stopped(q)) { - spin_unlock_irqrestore(q->queue_lock, flags); + if (blk_mq_queue_stopped(q)) return; - } - - queue_flag_set(QUEUE_FLAG_STOPPED, q); - spin_unlock_irqrestore(q->queue_lock, flags); blk_mq_stop_hw_queues(q); } |