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Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c5
-rw-r--r--drivers/nvme/host/multipath.c21
-rw-r--r--drivers/nvme/host/nvme.h5
3 files changed, 13 insertions, 18 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 0d60f2f8f3ee..4b182ac15687 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -255,11 +255,8 @@ void nvme_complete_rq(struct request *req)
trace_nvme_complete_rq(req);
if (unlikely(status != BLK_STS_OK && nvme_req_needs_retry(req))) {
- if ((req->cmd_flags & REQ_NVME_MPATH) &&
- blk_path_error(status)) {
- nvme_failover_req(req);
+ if ((req->cmd_flags & REQ_NVME_MPATH) && nvme_failover_req(req))
return;
- }
if (!blk_queue_dying(req->q)) {
nvme_req(req)->retries++;
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 2e63c1106030..e71075338ff5 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -73,17 +73,12 @@ void nvme_set_disk_name(char *disk_name, struct nvme_ns *ns,
}
}
-void nvme_failover_req(struct request *req)
+bool nvme_failover_req(struct request *req)
{
struct nvme_ns *ns = req->q->queuedata;
u16 status = nvme_req(req)->status;
unsigned long flags;
- spin_lock_irqsave(&ns->head->requeue_lock, flags);
- blk_steal_bios(&ns->head->requeue_list, req);
- spin_unlock_irqrestore(&ns->head->requeue_lock, flags);
- blk_mq_end_request(req, 0);
-
switch (status & 0x7ff) {
case NVME_SC_ANA_TRANSITION:
case NVME_SC_ANA_INACCESSIBLE:
@@ -111,15 +106,17 @@ void nvme_failover_req(struct request *req)
nvme_mpath_clear_current_path(ns);
break;
default:
- /*
- * Reset the controller for any non-ANA error as we don't know
- * what caused the error.
- */
- nvme_reset_ctrl(ns->ctrl);
- break;
+ /* This was a non-ANA error so follow the normal error path. */
+ return false;
}
+ spin_lock_irqsave(&ns->head->requeue_lock, flags);
+ blk_steal_bios(&ns->head->requeue_list, req);
+ spin_unlock_irqrestore(&ns->head->requeue_lock, flags);
+ blk_mq_end_request(req, 0);
+
kblockd_schedule_work(&ns->head->requeue_work);
+ return true;
}
void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl)
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index cc4273f11989..31c1496f938f 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -477,7 +477,7 @@ void nvme_mpath_wait_freeze(struct nvme_subsystem *subsys);
void nvme_mpath_start_freeze(struct nvme_subsystem *subsys);
void nvme_set_disk_name(char *disk_name, struct nvme_ns *ns,
struct nvme_ctrl *ctrl, int *flags);
-void nvme_failover_req(struct request *req);
+bool nvme_failover_req(struct request *req);
void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl);
int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,struct nvme_ns_head *head);
void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id);
@@ -521,8 +521,9 @@ static inline void nvme_set_disk_name(char *disk_name, struct nvme_ns *ns,
sprintf(disk_name, "nvme%dn%d", ctrl->instance, ns->head->instance);
}
-static inline void nvme_failover_req(struct request *req)
+static inline bool nvme_failover_req(struct request *req)
{
+ return false;
}
static inline void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl)
{