diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-05-07 09:38:14 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-05-19 09:13:06 -0600 |
| commit | cddcd72bcec3b1dc9cef7f17d724a7fe42d64cc1 (patch) | |
| tree | b4838416786fc2d40b53703679feaacccfaa34c6 | |
| parent | 8a0ee3b52df73c7b89376b03c789232b78dd2aff (diff) | |
nvme: disable irqs in nvme_freeze_queues
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>
| -rw-r--r-- | drivers/block/nvme-core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c index 85b8036deaa3..00e641937a8e 100644 --- a/drivers/block/nvme-core.c +++ b/drivers/block/nvme-core.c @@ -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); |