def _is_fstype(fs_type):
    """
    Check if file system type is supported in module
    :param fs_type: file system type
    :return: True if fs_type is supported in this module, False otherwise
    """
    return fs_type in set(['ext2', 'ext3', 'ext4', 'fat32', 'fat16',
        'linux-swap', 'reiserfs', 'hfs', 'hfs+', 'hfsx', 'NTFS', 'ntfs', 'ufs']
        )
