+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);
+ bool orphan_exists = true;
+ 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);
+ }
+
+ mdd_write_lock(env, obj, DT_TGT_CHILD);
+ rc = mdd_orphan_declare_delete(env, obj, th);
+ if (rc == -ENOENT)
+ orphan_exists = false;
+ else if (rc)
+ GOTO(unlock, rc);
+
+ if (orphan_exists) {
+ rc = mdo_declare_destroy(env, obj, th);
+ if (rc)
+ GOTO(unlock, rc);
+ }
+
+ rc = mdd_trans_start(env, mdd, th);
+ if (rc)
+ GOTO(unlock, rc);
+
+ if (likely(obj->mod_count == 0)) {
+ dt_write_lock(env, mdd->mdd_orphans, DT_TGT_ORPHAN);
+ rc = dt_delete(env, mdd->mdd_orphans, key, th);
+ if (rc == -ENOENT) {
+ key = mdd_orphan_key_fill_20(env, mdd_object_fid(obj));
+ rc = dt_delete(env, mdd->mdd_orphans, key, th);
+ }
+ if (rc) {
+ CERROR("%s: could not delete orphan "DFID": rc = %d\n",
+ mdd_obj_dev_name(obj),
+ PFID(mdd_object_fid(obj)), rc);
+ } else if (orphan_exists) {
+ 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 {
+ CWARN("%s: orphan %s "DFID" doesn't exist\n",
+ mdd_obj_dev_name(obj), (char *)key,
+ PFID(mdd_object_fid(obj)));
+ }
+ dt_write_unlock(env, mdd->mdd_orphans);
+ }
+unlock:
+ mdd_write_unlock(env, obj);
+
+ rc = mdd_trans_stop(env, mdd, 0, th);
+
+ RETURN(rc);