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path: root/drivers/nvme/host/multipath.c
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Diffstat (limited to 'drivers/nvme/host/multipath.c')
-rw-r--r--drivers/nvme/host/multipath.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 0ea7e441e080..7e025b8948cb 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -174,11 +174,14 @@ void nvme_mpath_revalidate_paths(struct nvme_ns *ns)
struct nvme_ns_head *head = ns->head;
sector_t capacity = get_capacity(head->disk);
int node;
+ int srcu_idx;
+ srcu_idx = srcu_read_lock(&head->srcu);
list_for_each_entry_rcu(ns, &head->list, siblings) {
if (capacity != get_capacity(ns->disk))
clear_bit(NVME_NS_READY, &ns->flags);
}
+ srcu_read_unlock(&head->srcu, srcu_idx);
for_each_node(node)
rcu_assign_pointer(head->current_path[node], NULL);
@@ -516,6 +519,7 @@ int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct nvme_ns_head *head)
/* set to a default value of 512 until the disk is validated */
blk_queue_logical_block_size(head->disk->queue, 512);
blk_set_stacking_limits(&head->disk->queue->limits);
+ blk_queue_dma_alignment(head->disk->queue, 3);
/* we need to propagate up the VMC settings */
if (ctrl->vwc & NVME_CTRL_VWC_PRESENT)