/* We will lock the child regardless it is local or remote. No harm. */
        mc = mdt_object_find(info->mti_env, info->mti_mdt, child_fid);
        if (IS_ERR(mc))
                GOTO(unlock_parent, rc = PTR_ERR(mc));

        if (!cos_incompat) {
                rc = mdt_object_striped(info, mc);
                if (rc < 0)
                        GOTO(unlock_parent, rc = PTR_ERR(mc));