this.openFlags &= ~(SmbFile.O_CREAT | SmbFile.O_TRUNC);
        } else {
            file.connect0();
        }
        readSize = Math.min( file.tree.session.transport.rcv_buf_size - 70,
                            file.tree.session.transport.server.maxBufferSize - 70 );
    }

    protected IOException seToIoe(SmbException se) {
        IOException ioe = se;