Add functions to call into the mpath_add_device() and mpath_delete_device() functions.
The per-NS gendisk pointer is used as the mpath_device disk pointer, which is used in libmultipath for references the per-path block device. Signed-off-by: John Garry <[email protected]> --- drivers/nvme/host/nvme.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index cc63ed8131c36..b4fe7a7dd7f73 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -1025,6 +1025,19 @@ extern const struct block_device_operations nvme_bdev_ops; void nvme_delete_ctrl_sync(struct nvme_ctrl *ctrl); struct nvme_ns *nvme_find_path(struct nvme_ns_head *head); + +static inline void nvme_add_ns(struct nvme_ns *ns) +{ + ns->mpath_device.disk = ns->disk; + ns->mpath_device.numa_node = ns->ctrl->numa_node; + mpath_add_device(ns->head->mpath_head, &ns->mpath_device); +} + +static inline bool nvme_delete_ns(struct nvme_ns *ns) +{ + return mpath_delete_device(&ns->mpath_device); +} + #ifdef CONFIG_NVME_MULTIPATH static inline bool nvme_ctrl_use_ana(struct nvme_ctrl *ctrl) { -- 2.43.5
