}
/* target/out_lib.c */
-void dt_update_request_destroy(struct dt_update_request *update);
-struct dt_update_request *dt_update_request_create(struct dt_device *dt);
-
int out_update_pack(const struct lu_env *env, struct update_buffer *ubuf,
enum update_type op, const struct lu_fid *fid,
int params_count, __u16 *param_sizes, const void **bufs,