create2.setRequestedOplockLevel(Smb2CreateRequest.SMB2_OPLOCK_LEVEL_BATCH);

                        create2.chain(new Smb2CloseRequest(sess.getConfig(), Smb2Constants.UNSPECIFIED_FILEID));

                        synchronized ( lock ) {
                            lock.notify();
                        }
                        tree.send(create2);
                    }