int f, dir;

        exists();
        dir = attributes & ATTR_DIRECTORY;

        f = open0(O_RDONLY, FILE_WRITE_ATTRIBUTES, dir, dir != 0 ? 0x0001 : 0x0040);
        send(new Trans2SetFileInformation(f, attrs | dir, ctime, mtime), new Trans2SetFileInformationResponse());
        close(f, 0L);

        attrExpiration = 0;
    }

    /**

                try (SmbFileHandleImpl f = openUnshared(O_RDONLY, FILE_WRITE_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE, dir,
                        dir != 0 ? 0x0001 : 0x0040)) {
                    th.send(new Trans2SetFileInformation(th.getConfig(), f.getFid(), attrs | dir, ctime, mtime, atime),
                            new Trans2SetFileInformationResponse(th.getConfig()), RequestParam.NO_RETRY);