summaryrefslogtreecommitdiff
path: root/drivers/nvme/host
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/nvme/host')
-rw-r--r--drivers/nvme/host/core.c23
-rw-r--r--drivers/nvme/host/multipath.c3
-rw-r--r--drivers/nvme/host/nvme.h21
-rw-r--r--drivers/nvme/host/pci.c8
-rw-r--r--drivers/nvme/host/tcp.c10
5 files changed, 39 insertions, 26 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 27281a9a8951..095f59e7aa93 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -629,27 +629,6 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
EXPORT_SYMBOL_GPL(nvme_change_ctrl_state);
/*
- * Returns true for sink states that can't ever transition back to live.
- */
-static bool nvme_state_terminal(struct nvme_ctrl *ctrl)
-{
- switch (nvme_ctrl_state(ctrl)) {
- case NVME_CTRL_NEW:
- case NVME_CTRL_LIVE:
- case NVME_CTRL_RESETTING:
- case NVME_CTRL_CONNECTING:
- return false;
- case NVME_CTRL_DELETING:
- case NVME_CTRL_DELETING_NOIO:
- case NVME_CTRL_DEAD:
- return true;
- default:
- WARN_ONCE(1, "Unhandled ctrl state:%d", ctrl->state);
- return true;
- }
-}
-
-/*
* Waits for the controller state to be resetting, or returns false if it is
* not possible to ever transition to that state.
*/
@@ -3681,7 +3660,7 @@ static int nvme_init_ns_head(struct nvme_ns *ns, struct nvme_ns_info *info)
"Found shared namespace %d, but multipathing not supported.\n",
info->nsid);
dev_warn_once(ctrl->device,
- "Support for shared namespaces without CONFIG_NVME_MULTIPATH is deprecated and will be removed in Linux 6.0\n.");
+ "Support for shared namespaces without CONFIG_NVME_MULTIPATH is deprecated and will be removed in Linux 6.0.\n");
}
}
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 5397fb428b24..d16e976ae1a4 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -247,7 +247,8 @@ static struct nvme_ns *__nvme_find_path(struct nvme_ns_head *head, int node)
if (nvme_path_is_disabled(ns))
continue;
- if (READ_ONCE(head->subsys->iopolicy) == NVME_IOPOLICY_NUMA)
+ if (ns->ctrl->numa_node != NUMA_NO_NODE &&
+ READ_ONCE(head->subsys->iopolicy) == NVME_IOPOLICY_NUMA)
distance = node_distance(node, ns->ctrl->numa_node);
else
distance = LOCAL_DISTANCE;
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index d0ed64dc7380..b564c5f1450c 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -741,6 +741,27 @@ static inline bool nvme_is_aen_req(u16 qid, __u16 command_id)
nvme_tag_from_cid(command_id) >= NVME_AQ_BLK_MQ_DEPTH;
}
+/*
+ * Returns true for sink states that can't ever transition back to live.
+ */
+static inline bool nvme_state_terminal(struct nvme_ctrl *ctrl)
+{
+ switch (nvme_ctrl_state(ctrl)) {
+ case NVME_CTRL_NEW:
+ case NVME_CTRL_LIVE:
+ case NVME_CTRL_RESETTING:
+ case NVME_CTRL_CONNECTING:
+ return false;
+ case NVME_CTRL_DELETING:
+ case NVME_CTRL_DELETING_NOIO:
+ case NVME_CTRL_DEAD:
+ return true;
+ default:
+ WARN_ONCE(1, "Unhandled ctrl state:%d", ctrl->state);
+ return true;
+ }
+}
+
void nvme_complete_rq(struct request *req);
void nvme_complete_batch_req(struct request *req);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 8e0bb9692685..e393f6947ce4 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -1286,6 +1286,9 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req)
u32 csts = readl(dev->bar + NVME_REG_CSTS);
u8 opcode;
+ if (nvme_state_terminal(&dev->ctrl))
+ goto disable;
+
/* If PCI error recovery process is happening, we cannot reset or
* the recovery mechanism will surely fail.
*/
@@ -1390,8 +1393,11 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req)
return BLK_EH_RESET_TIMER;
disable:
- if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RESETTING))
+ if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RESETTING)) {
+ if (nvme_state_terminal(&dev->ctrl))
+ nvme_dev_disable(dev, true);
return BLK_EH_DONE;
+ }
nvme_dev_disable(dev, false);
if (nvme_try_sched_reset(&dev->ctrl))
diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index fdbcdcedcee9..28bc2f373cfa 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -360,12 +360,18 @@ static inline void nvme_tcp_send_all(struct nvme_tcp_queue *queue)
} while (ret > 0);
}
-static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue)
+static inline bool nvme_tcp_queue_has_pending(struct nvme_tcp_queue *queue)
{
return !list_empty(&queue->send_list) ||
!llist_empty(&queue->req_list);
}
+static inline bool nvme_tcp_queue_more(struct nvme_tcp_queue *queue)
+{
+ return !nvme_tcp_tls(&queue->ctrl->ctrl) &&
+ nvme_tcp_queue_has_pending(queue);
+}
+
static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req,
bool sync, bool last)
{
@@ -386,7 +392,7 @@ static inline void nvme_tcp_queue_request(struct nvme_tcp_request *req,
mutex_unlock(&queue->send_mutex);
}
- if (last && nvme_tcp_queue_more(queue))
+ if (last && nvme_tcp_queue_has_pending(queue))
queue_work_on(queue->io_cpu, nvme_tcp_wq, &queue->io_work);
}