struct object_update *update, size_t *max_update_size,
const struct lu_fid *fid, const char *name,
const int bufsize);
+int out_xattr_list_pack(const struct lu_env *env, struct object_update *update,
+ size_t *max_update_size, const struct lu_fid *fid,
+ const int bufsize);
int out_read_pack(const struct lu_env *env, struct object_update *update,
size_t *max_update_length, const struct lu_fid *fid,
size_t size, loff_t pos);