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| author |   Keith Busch <keith.busch@intel.com> | 2019-04-30 09:33:40 -0600 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2019-05-01 09:17:18 -0400 |
| commit | 9dc1a38ef1925d23c2933c5867df816386d92ff8 (patch) | |
| tree | febf02bebe1150d613f820d85c321ddb60c31b1b | |
| parent | nvme-pci: fix psdt field for single segment sgls (diff) | |
| download | linux-dev-9dc1a38ef1925d23c2933c5867df816386d92ff8.tar.xz linux-dev-9dc1a38ef1925d23c2933c5867df816386d92ff8.zip | |
nvme-pci: shutdown on timeout during deletion
We do not restart a controller in a deleting state for timeout errors.
When in this state, unblock potential request dispatchers with failed
completions by shutting down the controller on timeout detection.
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 efc1da56521c..3df0f2b29427 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1277,6 +1277,7 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) struct nvme_dev *dev = nvmeq->dev; struct request *abort_req; struct nvme_command cmd; + bool shutdown = false; u32 csts = readl(dev->bar + NVME_REG_CSTS); /* If PCI error recovery process is happening, we cannot reset or @@ -1313,12 +1314,14 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req, bool reserved) * shutdown, so we return BLK_EH_DONE. */ switch (dev->ctrl.state) { + case NVME_CTRL_DELETING: + shutdown = true; case NVME_CTRL_CONNECTING: case NVME_CTRL_RESETTING: dev_warn_ratelimited(dev->ctrl.device, "I/O %d QID %d timeout, disable controller\n", req->tag, nvmeq->qid); - nvme_dev_disable(dev, false); + nvme_dev_disable(dev, shutdown); nvme_req(req)->flags |= NVME_REQ_CANCELLED; return BLK_EH_DONE; default: |