log.debug("<<< BEGIN getRootEntry >>>");
    public FSEntry getRootEntry() throws IOException	{    	log.debug("<<< BEGIN getRootEntry >>>");    	if(isClosed())    		throw new IOException("FileSystem is closed");    		    	    	if(rootEntry == null)    	{   			rootEntry = createRootEntry();    	}    	log.debug("<<< END getRootEntry >>>");    	return rootEntry;	}