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nvme-pci: unquiesce admin queue on shutdown
Just like IO queues, the admin queue also will not be restarted after a controller shutdown. Unquiesce this queue so that we do not block request dispatch on a permanently disabled controller. Reported-by: Yufen Yu <yuyufen@huawei.com> Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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@ -2437,8 +2437,11 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown)
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* must flush all entered requests to their failed completion to avoid
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* deadlocking blk-mq hot-cpu notifier.
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*/
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if (shutdown)
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if (shutdown) {
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nvme_start_queues(&dev->ctrl);
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if (dev->ctrl.admin_q && !blk_queue_dying(dev->ctrl.admin_q))
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blk_mq_unquiesce_queue(dev->ctrl.admin_q);
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}
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mutex_unlock(&dev->shutdown_lock);
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}
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