+ return rc;
+}
+
+/**
+ * delete an orphan \a obj from orphan index.
+ * \param obj file or directory.
+ * \param th transaction for index deletion and object destruction.
+ *
+ * \pre obj->mod_count == 0 && ORPHAN_OBJ is set for obj.
+ *
+ * \retval 0 success
+ * \retval -ve index operation error.
+ */
+int mdd_orphan_delete(const struct lu_env *env, struct mdd_object *obj,
+ struct thandle *th)
+{
+ struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
+ struct dt_object *dor = mdd->mdd_orphans;
+ struct dt_key *key;
+ int rc;
+
+ ENTRY;
+
+ LASSERT(mdd_write_locked(env, obj) != 0);
+ LASSERT(obj->mod_flags & ORPHAN_OBJ);
+ LASSERT(obj->mod_count == 0);
+
+ LASSERT(dor);
+
+ key = mdd_orphan_key_fill(env, mdo2fid(obj));
+ dt_write_lock(env, mdd->mdd_orphans, MOR_TGT_ORPHAN);
+
+ 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);
+ }
+
+ if (!rc) {
+ /* lov objects will be destroyed by caller */
+ mdo_ref_del(env, obj, th);
+ if (S_ISDIR(mdd_object_type(obj))) {
+ mdo_ref_del(env, obj, th);
+ dt_ref_del(env, mdd->mdd_orphans, th);
+ }
+ obj->mod_flags &= ~ORPHAN_OBJ;
+ } else {
+ CERROR("%s: could not delete orphan object "DFID": rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, PFID(mdo2fid(obj)), rc);
+ }
+
+ dt_write_unlock(env, mdd->mdd_orphans);
+ RETURN(rc);
+}
+
+
+static int mdd_orphan_destroy(const struct lu_env *env, struct mdd_object *obj,
+ struct dt_key *key)
+{
+ struct thandle *th = NULL;
+ struct mdd_device *mdd = mdo2mdd(&obj->mod_obj);
+ int rc = 0;
+ ENTRY;
+
+ th = mdd_trans_create(env, mdd);
+ if (IS_ERR(th)) {
+ rc = PTR_ERR(th);
+ if (rc != -EINPROGRESS)
+ CERROR("%s: cannot get orphan thandle: rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, rc);
+ RETURN(rc);
+ }
+
+ rc = mdd_orphan_declare_delete(env, obj, th);
+ if (rc)
+ GOTO(stop, rc);
+
+ rc = mdo_declare_destroy(env, obj, th);
+ if (rc)
+ GOTO(stop, rc);
+
+ rc = mdd_trans_start(env, mdd, th);
+ if (rc)
+ GOTO(stop, rc);
+
+ mdd_write_lock(env, obj, MOR_TGT_CHILD);
+ if (likely(obj->mod_count == 0)) {
+ dt_write_lock(env, mdd->mdd_orphans, MOR_TGT_ORPHAN);
+ rc = dt_delete(env, mdd->mdd_orphans, key, th);
+ if (rc == 0) {
+ mdo_ref_del(env, obj, th);
+ if (S_ISDIR(mdd_object_type(obj))) {
+ mdo_ref_del(env, obj, th);
+ dt_ref_del(env, mdd->mdd_orphans, th);
+ }
+ rc = mdo_destroy(env, obj, th);
+ } else {
+ CERROR("%s: could not delete orphan "DFID": rc = %d\n",
+ mdd2obd_dev(mdd)->obd_name, PFID(mdo2fid(obj)),
+ rc);
+ }
+ dt_write_unlock(env, mdd->mdd_orphans);
+ }
+ mdd_write_unlock(env, obj);
+
+stop:
+ rc = mdd_trans_stop(env, mdd, 0, th);
+
+ RETURN(rc);