}


    /**
     * @return
     */
    private AllocInfo createInfo () {
        AllocInfo inf;
        switch ( this.informationLevel ) {
        case FileSystemInformation.SMB_INFO_ALLOCATION:
            inf = new SmbInfoAllocation();
            break;
        case FileSystemInformation.FS_SIZE_INFO:
            inf = new FileFsSizeInformation();
            break;

    {
        int start = bufferIndex;
        
        SmbInfoAllocation info = new SmbInfoAllocation();
        
        // Read total allocation units.
        info.alloc = readInt8( buffer, bufferIndex );
        bufferIndex += 8;
        
        // read caller available allocation units 
        info.free = readInt8( buffer, bufferIndex );
        bufferIndex += 8;

        // skip actual free units