diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index cdb16e949e2a..882920b7327b 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -693,6 +693,11 @@ static void nvme_free_ns_head(struct kref *ref) kfree(head); } +void nvme_get_ns_head(struct nvme_ns_head *head) +{ + kref_get(&head->ref); +} + bool nvme_tryget_ns_head(struct nvme_ns_head *head) { return kref_get_unless_zero(&head->ref); diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 56587ae59c7f..8cb417036fe1 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -797,7 +797,7 @@ int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct nvme_ns_head *head) set_bit(GD_SUPPRESS_PART_SCAN, &head->disk->state); sprintf(head->disk->disk_name, "nvme%dn%d", ctrl->subsys->instance, head->instance); - nvme_tryget_ns_head(head); + nvme_get_ns_head(head); return 0; } diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index a679a4c61462..2e9dea6420da 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -995,6 +995,7 @@ int nvme_delete_ctrl(struct nvme_ctrl *ctrl); void nvme_queue_scan(struct nvme_ctrl *ctrl); int nvme_get_log(struct nvme_ctrl *ctrl, u32 nsid, u8 log_page, u8 lsp, u8 csi, void *log, size_t size, u64 offset); +void nvme_get_ns_head(struct nvme_ns_head *head); bool nvme_tryget_ns_head(struct nvme_ns_head *head); void nvme_put_ns_head(struct nvme_ns_head *head); int nvme_cdev_add(const char *name, struct cdev *cdev,