rc = dt_delete(env, mdd->mdd_orphans, key, th);
if (rc == -ENOENT) {
key = mdd_orphan_key_fill_20(env, mdo2fid(obj));
rc = dt_delete(env, mdd->mdd_orphans, key, th);
}
rc = dt_delete(env, mdd->mdd_orphans, key, th);
if (rc == -ENOENT) {
key = mdd_orphan_key_fill_20(env, mdo2fid(obj));
rc = dt_delete(env, mdd->mdd_orphans, key, th);
}