diff options
author | Keith Busch <keith.busch@intel.com> | 2019-04-30 17:33:41 +0200 |
---|---|---|
committer | Christoph Hellwig <hch@lst.de> | 2019-05-01 15:17:22 +0200 |
commit | c8e9e9b7646ebe1c5066ddc420d7630876277eb4 (patch) | |
tree | 2af3fe958a6065f38563a80bc1a1c9df25518c85 /drivers | |
parent | nvme-pci: shutdown on timeout during deletion (diff) | |
download | linux-c8e9e9b7646ebe1c5066ddc420d7630876277eb4.tar.xz 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>
Diffstat (limited to 'drivers')
-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); } |