+ /* We hold references of export for uuid hash
+ * and nid_hash and export link at least. So
+ * it is safe to call cfs_hash_del in there. */
+ if (!hlist_unhashed(&export->exp_nid_hash))
+ cfs_hash_del(export->exp_obd->obd_nid_hash,
+ &export->exp_connection->c_peer.nid,
+ &export->exp_nid_hash);