[PATCH] NVMe: Fix check_flush_dependency warning
Keith Busch
keith.busch at intel.com
Wed Apr 27 14:51:18 PDT 2016
If the controller fails and is degraded after a reset, we need to kill
off all requests queues before removing the inaccessble namespaces. This
will prevent del_gendisk from syncing dirty data, which we can't due
from a WQ_MEM_RECLAIM work queue.
Signed-off-by: Keith Busch <keith.busch at intel.com>
---
drivers/nvme/host/pci.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index dda19cc..6d49e47 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1909,6 +1909,7 @@ static void nvme_reset_work(struct work_struct *work)
*/
if (dev->online_queues < 2) {
dev_warn(dev->ctrl.device, "IO queues not created\n");
+ nvme_kill_queues(&dev->ctrl);
nvme_remove_namespaces(&dev->ctrl);
} else {
nvme_start_queues(&dev->ctrl);
--
2.7.2
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