int sendBufferSize = th.getSendBufferSize();
        if ( this.smb2 ) {
            this.writeSize = sendBufferSize;
            this.writeSizeFile = sendBufferSize;
            return;
        }

        this.openFlags &= ~ ( SmbConstants.O_CREAT | SmbConstants.O_TRUNC ); /* in case we close and reopen */
        this.writeSize = sendBufferSize - 70;

        this.useNTSmbs = th.hasCapability(SmbConstants.CAP_NT_SMBS);

        ensureOpen();

        if( file.log.level >= 4 )
            file.log.println( "write: fid=" + file.fid + ",off=" + off + ",len=" + len );

        int w;
        do {
            w = len > writeSize ? writeSize : len;
            if( useNTSmbs ) {
                reqx.setParam( file.fid, fp, len - w, b, off, w );
if ((flags & 1) != 0) {
    reqx.setParam( file.fid, fp, len, b, off, w );
    reqx.writeMode = 0x8;