From d5840358bd192b1538327e77d5dedbc314cf7ed0 Mon Sep 17 00:00:00 2001 From: Keith Busch Date: Wed, 27 Apr 2016 15:51:18 -0600 Subject: [PATCH] NVMe: Fix check_flush_dependency warning 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 Reviewed-by: Sagi Grimberg Reviewed-by: Christoph Hellwig Signed-off-by: Jens Axboe (cherry picked from commit 3b24774e1fb90a40836e96e39a851a774679efff) Orabug: 25130845 Signed-off-by: Ashok Vairavan Reviewed-by: Martin K. Petersen --- 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 3eabde0b03fa..f8d9b00c6dd7 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1934,6 +1934,7 @@ 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); -- 2.50.1