1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 2ddfaccd9SAlexey Dobriyanconfig ISO9660_FS 3ddfaccd9SAlexey Dobriyan tristate "ISO 9660 CDROM file system support" 4*925c86a1SChristoph Hellwig select BUFFER_HEAD 5ddfaccd9SAlexey Dobriyan help 6ddfaccd9SAlexey Dobriyan This is the standard file system used on CD-ROMs. It was previously 7ddfaccd9SAlexey Dobriyan known as "High Sierra File System" and is called "hsfs" on other 8ddfaccd9SAlexey Dobriyan Unix systems. The so-called Rock-Ridge extensions which allow for 9ddfaccd9SAlexey Dobriyan long Unix filenames and symbolic links are also supported by this 10ddfaccd9SAlexey Dobriyan driver. If you have a CD-ROM drive and want to do more with it than 11ddfaccd9SAlexey Dobriyan just listen to audio CDs and watch its LEDs, say Y (and read 120c1bc6b8SMauro Carvalho Chehab <file:Documentation/filesystems/isofs.rst> and the CD-ROM-HOWTO, 13ddfaccd9SAlexey Dobriyan available from <http://www.tldp.org/docs.html#howto>), thereby 14ddfaccd9SAlexey Dobriyan enlarging your kernel by about 27 KB; otherwise say N. 15ddfaccd9SAlexey Dobriyan 16ddfaccd9SAlexey Dobriyan To compile this file system support as a module, choose M here: the 17ddfaccd9SAlexey Dobriyan module will be called isofs. 18ddfaccd9SAlexey Dobriyan 19ddfaccd9SAlexey Dobriyanconfig JOLIET 20ddfaccd9SAlexey Dobriyan bool "Microsoft Joliet CDROM extensions" 21ddfaccd9SAlexey Dobriyan depends on ISO9660_FS 22ddfaccd9SAlexey Dobriyan select NLS 23ddfaccd9SAlexey Dobriyan help 24ddfaccd9SAlexey Dobriyan Joliet is a Microsoft extension for the ISO 9660 CD-ROM file system 25ddfaccd9SAlexey Dobriyan which allows for long filenames in unicode format (unicode is the 26ddfaccd9SAlexey Dobriyan new 16 bit character code, successor to ASCII, which encodes the 27ddfaccd9SAlexey Dobriyan characters of almost all languages of the world; see 28ddfaccd9SAlexey Dobriyan <http://www.unicode.org/> for more information). Say Y here if you 29ddfaccd9SAlexey Dobriyan want to be able to read Joliet CD-ROMs under Linux. 30ddfaccd9SAlexey Dobriyan 31ddfaccd9SAlexey Dobriyanconfig ZISOFS 32ddfaccd9SAlexey Dobriyan bool "Transparent decompression extension" 33ddfaccd9SAlexey Dobriyan depends on ISO9660_FS 34ddfaccd9SAlexey Dobriyan select ZLIB_INFLATE 35ddfaccd9SAlexey Dobriyan help 36ddfaccd9SAlexey Dobriyan This is a Linux-specific extension to RockRidge which lets you store 37ddfaccd9SAlexey Dobriyan data in compressed form on a CD-ROM and have it transparently 38ddfaccd9SAlexey Dobriyan decompressed when the CD-ROM is accessed. See 39ddfaccd9SAlexey Dobriyan <http://www.kernel.org/pub/linux/utils/fs/zisofs/> for the tools 40ddfaccd9SAlexey Dobriyan necessary to create such a filesystem. Say Y here if you want to be 41ddfaccd9SAlexey Dobriyan able to read such compressed CD-ROMs. 42