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| author | Keith Busch <keith.busch@intel.com> | 2019-04-30 09:33:41 -0600 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2019-05-01 09:17:22 -0400 |
| commit | c8e9e9b7646ebe1c5066ddc420d7630876277eb4 (patch) | |
| tree | 2af3fe958a6065f38563a80bc1a1c9df25518c85 | |
| parent | 9dc1a38ef1925d23c2933c5867df816386d92ff8 (diff) | |
| download | linux-c8e9e9b7646ebe1c5066ddc420d7630876277eb4.tar.gz linux-c8e9e9b7646ebe1c5066ddc420d7630876277eb4.tar.bz2 linux-c8e9e9b7646ebe1c5066ddc420d7630876277eb4.zip | |
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>
| -rw-r--r-- | drivers/nvme/host/pci.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 3df0f2b29427..ac10d3ad1e75 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -2437,8 +2437,11 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown) * must flush all entered requests to their failed completion to avoid * deadlocking blk-mq hot-cpu notifier. */ - if (shutdown) + if (shutdown) { nvme_start_queues(&dev->ctrl); + if (dev->ctrl.admin_q && !blk_queue_dying(dev->ctrl.admin_q)) + blk_mq_unquiesce_queue(dev->ctrl.admin_q); + } mutex_unlock(&dev->shutdown_lock); } |