nvme/multipath: Use blk_path_error

Uses common code for determining if an error should be retried on
alternate path.

Acked-by: Mike Snitzer <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Signed-off-by: Keith Busch <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>

diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index ae9abb600c0f3265a259eb793cee51877cc78891..3b211d9e58b8419855b29a87f1019b0d687714d4 100644 (file)
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -37,19 +37,7 @@ bool nvme_req_needs_failover(struct request *req, blk_status_t error)
 {
        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)