diff mbox

[4/5] nvme/multipath: Use blk_retryable

Message ID 20180104224623.8944-5-keith.busch@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Mike Snitzer
Headers show

Commit Message

Keith Busch Jan. 4, 2018, 10:46 p.m. UTC 
Uses common code for determining if an error should be retried on
alternate path.

Signed-off-by: Keith Busch <keith.busch@intel.com>
---
 drivers/nvme/host/multipath.c | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

Comments

Mike Snitzer Jan. 4, 2018, 11:44 p.m. UTC | #1 
On Thu, Jan 04 2018 at  5:46pm -0500,
Keith Busch <keith.busch@intel.com> wrote:

> Uses common code for determining if an error should be retried on
> alternate path.
> 
> Signed-off-by: Keith Busch <keith.busch@intel.com>

Acked-by: Mike Snitzer <snitzer@redhat.com>

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Hannes Reinecke Jan. 8, 2018, 8:58 a.m. UTC | #2 
On 01/04/2018 11:46 PM, Keith Busch wrote:
> Uses common code for determining if an error should be retried on
> alternate path.
> 
> Signed-off-by: Keith Busch <keith.busch@intel.com>
> ---
>  drivers/nvme/host/multipath.c | 14 +-------------
>  1 file changed, 1 insertion(+), 13 deletions(-)
> 
> diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
> index ae9abb600c0f..93bb72b6efb6 100644
> --- 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_retryable(error);
>  }
>  
>  void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl)
> 
Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
diff mbox

Patch

diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index ae9abb600c0f..93bb72b6efb6 100644
--- 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_retryable(error);
 }
 
 void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl)