throw new SmbException("Cannot rename between different trees");
                }
            }

            if ( log.isDebugEnabled() ) {
                log.debug("renameTo: " + getUncPath() + " -> " + dest.getUncPath());
            }

            dest.attrExpiration = dest.sizeExpiration = 0;
            /*
             * Rename Request / Response
             */

        if( log.level >= 3 )
            log.println( "renameTo: " + unc + " -> " + dest.unc );

        attrExpiration = sizeExpiration = 0;
        dest.attrExpiration = 0;

        /*
         * Rename Request / Response
         */

        send( new SmbComRename( unc, dest.unc ), blank_resp() );
    }

    class WriterThread extends Thread {
        byte[] b;
        int n;