From: Keith Busch <keith.busch@intel.com>
Date: Tue, 9 Jan 2018 12:04:17 -0700
Subject: nvme/multipath: Use blk_path_error
Patch-mainline: v4.16-rc1
Git-commit: e1f425e770d21a34f51d7284e55f3fa984f8e275
References: FATE#323952, FATE#322506
Uses common code for determining if an error should be retried on
alternate path.
Acked-by: Mike Snitzer <snitzer@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
drivers/nvme/host/multipath.c | 14 +-------------
1 file changed, 1 insertion(+), 13 deletions(-)
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -37,19 +37,7 @@ bool nvme_req_needs_failover(struct requ
{
if (!(req->cmd_flags & REQ_NVME_MPATH))
return false;
-
- switch (error) {
- case BLK_STS_NOTSUPP:
- case BLK_STS_NOSPC:
- case BLK_STS_TARGET:
- case BLK_STS_NEXUS:
- case BLK_STS_MEDIUM:
- case BLK_STS_PROTECTION:
- return false;
- }
-
- /* Everything else could be a path failure, so should be retried */
- return true;
+ return blk_path_error(error);
}
void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl)