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nvme: disable irqs in nvme_freeze_queues

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The queue_lock needs to be taken with irqs disabled.  This is mostly
due to the old pre blk-mq usage pattern, but we've also picked it up
in most of the few places where we use the queue_lock with blk-mq.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2015-05-07 09:38:14 +02:00 • committed by Jens Axboe
parent 8a0ee3b52d
commit cddcd72bce
1 changed files with 2 additions and 2 deletions
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4
drivers/block/nvme-core.c
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@ -2585,9 +2585,9 @@ static void nvme_freeze_queues(struct nvme_dev *dev)
list_for_each_entry(ns, &dev->namespaces, list) {
blk_mq_freeze_queue_start(ns->queue);
spin_lock(ns->queue->queue_lock);
spin_lock_irq(ns->queue->queue_lock);
queue_flag_set(QUEUE_FLAG_STOPPED, ns->queue);
spin_unlock(ns->queue->queue_lock);
spin_unlock_irq(ns->queue->queue_lock);
blk_mq_cancel_requeue_work(ns->queue);
blk_mq_stop_hw_queues(ns->queue);