[PATCH 2/5] nvme/multipath: Consult blk_status_t for failover

[Christoph Hellwig]

> -	if (unlikely(nvme_req(req)->status && nvme_req_needs_retry(req))) {
> -		if (nvme_req_needs_failover(req)) {
> +	blk_status_t status = nvme_error_status(req);
> +
> +	if (unlikely(status != BLK_STS_OK && nvme_req_needs_retry(req))) {
> +		if (nvme_req_needs_failover(req, status)) {

We don't really need to call nvme_error_status if nvme_req(req)->status
is zero.

> -static inline bool nvme_req_needs_failover(struct request *req)
> +static inline bool nvme_req_needs_failover(struct request *req, blk_status_t error)

line break after 80 characters, please.