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authorKeith Busch <keith.busch@intel.com>2016-04-27 15:51:18 -0600
committerJens Axboe <axboe@fb.com>2016-05-02 09:03:06 -0600
commit3b24774e1fb90a40836e96e39a851a774679efff (patch)
treeed8ababaafe3035d4fd9fba73db45cd6bdf98a1e /drivers/nvme
parentb31356dfde571d925768783f1bb63ca8e156d0b3 (diff)
downloadop-kernel-dev-3b24774e1fb90a40836e96e39a851a774679efff.zip
op-kernel-dev-3b24774e1fb90a40836e96e39a851a774679efff.tar.gz
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>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/pci.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index ff3c8d7..cc46fdf 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -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);
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