config UDF_FS tristate "UDF file system support" select CRC_ITU_T help This is the new file system used on some CD-ROMs and DVDs. Say Y if you intend to mount DVD discs or CDRW's written in packet mode, or if written to by other UDF utilities, such as DirectCD. Please read . To compile this file system support as a module, choose M here: the module will be called udf. If unsure, say N. config UDF_NLS bool default y depends on (UDF_FS=m && NLS) || (UDF_FS=y && NLS=y)