nvme: ensure unquiesce on teardown

keithbusch · keithbusch · commit 2ab4e5f44a86 · 2023-06-30T10:47:41.000-07:00
The reset work is called on quiesced IO queues, so ensure these are
unquiesced after a failed reset to flush out any pending requests.

Reviewed-by: Christoph Hellwig &lt;hch@lst.de&gt;
Signed-off-by: Keith Busch &lt;kbusch@kernel.org&gt;
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
@@ -2778,6 +2778,7 @@ static void nvme_reset_work(struct work_struct *work)
 	nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DELETING);
 	nvme_dev_disable(dev, true);
 	nvme_mark_namespaces_dead(&dev->ctrl);
+	nvme_unquiesce_io_queues(&dev->ctrl);
 	nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DEAD);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -2778,6 +2778,7 @@ static void nvme_reset_work(struct work_struct *work)`
`2778`	`2778`	`nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DELETING);`
`2779`	`2779`	`nvme_dev_disable(dev, true);`
`2780`	`2780`	`nvme_mark_namespaces_dead(&dev->ctrl);`
	`2781`	`+ nvme_unquiesce_io_queues(&dev->ctrl);`
`2781`	`2782`	`nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DEAD);`
`2782`	`2783`	`}`
`2783`	`2784`