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blk-mq: Remove blk_mq_cancel_requeue_work()

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Since blk_mq_requeue_work() no longer restarts stopped queues
canceling requeue work is no longer needed to prevent that a
stopped queue would be restarted. Hence remove this function.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Bart Van Assche 2016-10-28 17:20:49 -07:00 committed by Jens Axboe
parent 52d7f1b5c2
commit 9b7dd572cc
4 changed files with 0 additions and 10 deletions
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6
block/blk-mq.c
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@ -526,12 +526,6 @@ void blk_mq_add_to_requeue_list(struct request *rq, bool at_head)
}
EXPORT_SYMBOL(blk_mq_add_to_requeue_list);
void blk_mq_cancel_requeue_work(struct request_queue *q)
{
cancel_delayed_work_sync(&q->requeue_work);
}
EXPORT_SYMBOL_GPL(blk_mq_cancel_requeue_work);
void blk_mq_kick_requeue_list(struct request_queue *q)
{
kblockd_schedule_delayed_work(&q->requeue_work, 0);

2
drivers/md/dm-rq.c
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@ -116,8 +116,6 @@ static void dm_mq_stop_queue(struct request_queue *q)
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);
blk_mq_stop_hw_queues(q);
}

1
drivers/nvme/host/core.c
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@ -2081,7 +2081,6 @@ void nvme_stop_queues(struct nvme_ctrl *ctrl)
queue_flag_set(QUEUE_FLAG_STOPPED, ns->queue);
spin_unlock_irq(ns->queue->queue_lock);
blk_mq_cancel_requeue_work(ns->queue);
blk_mq_stop_hw_queues(ns->queue);
}
mutex_unlock(&ctrl->namespaces_mutex);

1
include/linux/blk-mq.h
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@ -217,7 +217,6 @@ void __blk_mq_end_request(struct request *rq, int error);
void blk_mq_requeue_request(struct request *rq);
void blk_mq_add_to_requeue_list(struct request *rq, bool at_head);
void blk_mq_cancel_requeue_work(struct request_queue *q);
void blk_mq_kick_requeue_list(struct request_queue *q);
void blk_mq_delay_kick_requeue_list(struct request_queue *q, unsigned long msecs);
void blk_mq_abort_requeue_list(struct request_queue *q);