+int lod_sub_object_declare_punch(const struct lu_env *env,
+ struct dt_object *dt,
+ __u64 start, __u64 end,
+ struct thandle *th);
+int lod_sub_object_punch(const struct lu_env *env, struct dt_object *dt,
+ __u64 start, __u64 end, struct thandle *th);
+
+int lod_sub_prep_llog(const struct lu_env *env, struct lod_device *lod,
+ struct dt_device *dt, int index);