pub unsafe extern "C" fn dm_tree_node_add_cache_target( node: *mut dm_tree_node, size: u64, feature_flags: u64, metadata_uuid: *const c_char, data_uuid: *const c_char, origin_uuid: *const c_char, policy_name: *const c_char, policy_settings: *const dm_config_node, data_block_size: u32) -> c_int