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.
Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Cc: Mike Snitzer <snitzer@xxxxxxxxxx>
---
drivers/md/dm-rq.c | 18 ++----------------
1 file changed, 2 insertions(+), 16 deletions(-)
diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c
index d5cec26..9c34606 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);
/* Avoid that requeuing could restart the queue. */
blk_mq_cancel_requeue_work(q);
@@ -341,7 +327,7 @@ static void __dm_mq_kick_requeue_list(struct request_queue *q, unsigned long mse
unsigned long flags;
spin_lock_irqsave(q->queue_lock, flags);
- if (!blk_queue_stopped(q))
+ if (!blk_mq_queue_stopped(q))
blk_mq_delay_kick_requeue_list(q, msecs);
spin_unlock_irqrestore(q->queue_lock, flags);
}
--
2.10.1
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