Commit 3b24774e authored Apr 27, 2016 by Keith Busch Committed by Jens Axboe May 02, 2016

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 <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

parent b31356df

drivers/nvme/host/pci.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -1887,6 +1887,7 @@ 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);

Admin message