1 files changed, 33 insertions, 31 deletions

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 943d72bdd794..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.
  */
@@ -2076,6 +2055,7 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
 	bool vwc = ns->ctrl->vwc & NVME_CTRL_VWC_PRESENT;
 	struct queue_limits lim;
 	struct nvme_id_ns_nvm *nvm = NULL;
+	struct nvme_zone_info zi = {};
 	struct nvme_id_ns *id;
 	sector_t capacity;
 	unsigned lbaf;
@@ -2088,9 +2068,10 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
 	if (id->ncap == 0) {
 		/* namespace not allocated or attached */
 		info->is_removed = true;
-		ret = -ENODEV;
+		ret = -ENXIO;
 		goto out;
 	}
+	lbaf = nvme_lbaf_index(id->flbas);
 
 	if (ns->ctrl->ctratt & NVME_CTRL_ATTR_ELBAS) {
 		ret = nvme_identify_ns_nvm(ns->ctrl, info->nsid, &nvm);
@@ -2098,8 +2079,14 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
 			goto out;
 	}
 
+	if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) &&
+	    ns->head->ids.csi == NVME_CSI_ZNS) {
+		ret = nvme_query_zone_info(ns, lbaf, &zi);
+		if (ret < 0)
+			goto out;
+	}
+
 	blk_mq_freeze_queue(ns->disk->queue);
-	lbaf = nvme_lbaf_index(id->flbas);
 	ns->head->lba_shift = id->lbaf[lbaf].ds;
 	ns->head->nuse = le64_to_cpu(id->nuse);
 	capacity = nvme_lba_to_sect(ns->head, le64_to_cpu(id->nsze));
@@ -2112,13 +2099,8 @@ static int nvme_update_ns_info_block(struct nvme_ns *ns,
 		capacity = 0;
 	nvme_config_discard(ns, &lim);
 	if (IS_ENABLED(CONFIG_BLK_DEV_ZONED) &&
-	    ns->head->ids.csi == NVME_CSI_ZNS) {
-		ret = nvme_update_zone_info(ns, lbaf, &lim);
-		if (ret) {
-			blk_mq_unfreeze_queue(ns->disk->queue);
-			goto out;
-		}
-	}
+	    ns->head->ids.csi == NVME_CSI_ZNS)
+		nvme_update_zone_info(ns, &lim, &zi);
 	ret = queue_limits_commit_update(ns->disk->queue, &lim);
 	if (ret) {
 		blk_mq_unfreeze_queue(ns->disk->queue);
@@ -2201,6 +2183,7 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_ns_info *info)
 	}
 
 	if (!ret && nvme_ns_head_multipath(ns->head)) {
+		struct queue_limits *ns_lim = &ns->disk->queue->limits;
 		struct queue_limits lim;
 
 		blk_mq_freeze_queue(ns->head->disk->queue);
@@ -2212,7 +2195,26 @@ static int nvme_update_ns_info(struct nvme_ns *ns, struct nvme_ns_info *info)
 		set_disk_ro(ns->head->disk, nvme_ns_is_readonly(ns, info));
 		nvme_mpath_revalidate_paths(ns);
 
+		/*
+		 * queue_limits mixes values that are the hardware limitations
+		 * for bio splitting with what is the device configuration.
+		 *
+		 * For NVMe the device configuration can change after e.g. a
+		 * Format command, and we really want to pick up the new format
+		 * value here.  But we must still stack the queue limits to the
+		 * least common denominator for multipathing to split the bios
+		 * properly.
+		 *
+		 * To work around this, we explicitly set the device
+		 * configuration to those that we just queried, but only stack
+		 * the splitting limits in to make sure we still obey possibly
+		 * lower limitations of other controllers.
+		 */
 		lim = queue_limits_start_update(ns->head->disk->queue);
+		lim.logical_block_size = ns_lim->logical_block_size;
+		lim.physical_block_size = ns_lim->physical_block_size;
+		lim.io_min = ns_lim->io_min;
+		lim.io_opt = ns_lim->io_opt;
 		queue_limits_stack_bdev(&lim, ns->disk->part0, 0,
 					ns->head->disk->disk_name);
 		ret = queue_limits_commit_update(ns->head->disk->queue, &lim);
@@ -3658,7 +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");
 		}
 	}