file.send( new TransWaitNamedPipe( "\\pipe" + file.unc ),
                                        new TransWaitNamedPipeResponse() );
        }
        file.open( openFlags, access | SmbConstants.FILE_WRITE_DATA, SmbFile.ATTR_NORMAL, 0 );
        this.openFlags &= ~(SmbFile.O_CREAT | SmbFile.O_TRUNC); /* in case close and reopen */
        writeSize = file.tree.session.transport.snd_buf_size - 70;

        this.file = file;
        this.append = append;
        this.openFlags = openFlags;
        this.sharing = sharing;
        this.access = access | SmbConstants.FILE_WRITE_DATA;

        try ( SmbTreeHandleImpl th = file.ensureTreeConnected() ) {
            this.smb2 = th.isSMB2();
            try ( SmbFileHandleImpl fh = ensureOpen() ) {
                if ( append ) {