maxReadWriteSize = Math.min(maxReadWriteSize, response.getMaxReadWriteSize());
        maxReceiveSize = Math.min(maxReceiveSize, response.getMaxReceiveSize());
    }
    
    @Override
    protected void doSend(ServerMessageBlock2 request) throws IOException {
        if (shouldUseRdmaReadWrite(request)) {
            sendWithRdmaReadWrite(request);
        } else {
            sendWithRdmaSendReceive(request);
        }

         * in sbuf will be preserved for copying into BUF in doRecv().
         */

        return (long) Encdec.dec_uint16le(this.sbuf, 34) & 0xFFFF;
    }

    @Override
    protected void doSend(final Request request) throws IOException {

        CommonServerMessageBlock smb = (CommonServerMessageBlock) request;
        final byte[] buffer = this.getContext().getBufferCache().getBuffer();
        try {