+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2,3,50,0)
+ if (rc == 0 && ma->ma_valid & MA_COOKIE && ma->ma_valid & MA_LOV &&
+ ma->ma_valid & MA_FLAGS && ma->ma_attr_flags & MDS_UNLINK_DESTROY)
+ /* Since echo client is incapable of destorying ost object,
+ * it will destory the object here. */
+ rc = mdd_lovobj_unlink(env, mdd, mdd_cobj, la,
+ ma->ma_lmm, ma->ma_lmm_size,
+ ma->ma_cookie, 1);
+#else
+#warning "please remove this after 2.4 (LOD/OSP)."
+#endif
+