* @param dest
     * @param b
     * @param bsize
     * @param w
     * @param dh
     * @param sh
     * @param req
     * @param resp
     * @throws SmbException
     */
    static void copyFile ( SmbFile src, SmbFile dest, byte[][] b, int bsize, WriterThread w, SmbTreeHandleImpl sh, SmbTreeHandleImpl dh )
            throws SmbException {

        if ( sh.isSMB2() && dh.isSMB2() && sh.isSameTree(dh) ) {

        if ( isDirectory() ) {
            SmbCopyUtil.copyDir(this, dest, b, bsize, w, sh, dh);
        }
        else {
            SmbCopyUtil.copyFile(this, dest, b, bsize, w, sh, dh);
        }

        dest.clearAttributeCache();
    }


    /**
     * 
     */
    void clearAttributeCache () {