11da177e4SLinus Torvalds# 21da177e4SLinus Torvalds# File system configuration 31da177e4SLinus Torvalds# 41da177e4SLinus Torvalds 51da177e4SLinus Torvaldsmenu "File systems" 61da177e4SLinus Torvalds 79361401eSDavid Howellsif BLOCK 89361401eSDavid Howells 96da0b38fSAlexey Dobriyansource "fs/ext2/Kconfig" 106da0b38fSAlexey Dobriyansource "fs/ext3/Kconfig" 116da0b38fSAlexey Dobriyansource "fs/ext4/Kconfig" 126d79125bSCarsten Otte 136d79125bSCarsten Otteconfig FS_XIP 146d79125bSCarsten Otte# execute in place 156d79125bSCarsten Otte bool 166d79125bSCarsten Otte depends on EXT2_FS_XIP 176d79125bSCarsten Otte default y 186d79125bSCarsten Otte 196da0b38fSAlexey Dobriyansource "fs/jbd/Kconfig" 206da0b38fSAlexey Dobriyansource "fs/jbd2/Kconfig" 21dab291afSMingming Cao 221da177e4SLinus Torvaldsconfig FS_MBCACHE 2302ea2104SMingming Cao# Meta block cache for Extended Attributes (ext2/ext3/ext4) 241da177e4SLinus Torvalds tristate 252c512397SAdrian Bunk default y if EXT2_FS=y && EXT2_FS_XATTR 262c512397SAdrian Bunk default y if EXT3_FS=y && EXT3_FS_XATTR 272c512397SAdrian Bunk default y if EXT4_FS=y && EXT4_FS_XATTR 282c512397SAdrian Bunk default m if EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR 291da177e4SLinus Torvalds 30b16ecfe2SAlexey Dobriyansource "fs/reiserfs/Kconfig" 31f5c77969SAlexey Dobriyansource "fs/jfs/Kconfig" 321da177e4SLinus Torvalds 331da177e4SLinus Torvaldsconfig FS_POSIX_ACL 3489206955SChuck Lever# Posix ACL utility routines (for now, only ext2/ext3/jfs/reiserfs/nfs4) 351da177e4SLinus Torvalds# 361da177e4SLinus Torvalds# NOTE: you can implement Posix ACLs without these helpers (XFS does). 371da177e4SLinus Torvalds# Never use this symbol for ifdefs. 381da177e4SLinus Torvalds# 391da177e4SLinus Torvalds bool 40b84c2157SAndreas Gruenbacher default n 411da177e4SLinus Torvalds 42bfcd17a6SThomas Petazzoniconfig FILE_LOCKING 43bfcd17a6SThomas Petazzoni bool "Enable POSIX file locking API" if EMBEDDED 44bfcd17a6SThomas Petazzoni default y 45bfcd17a6SThomas Petazzoni help 46bfcd17a6SThomas Petazzoni This option enables standard file locking support, required 47bfcd17a6SThomas Petazzoni for filesystems like NFS and for the flock() system 48bfcd17a6SThomas Petazzoni call. Disabling this option saves about 11k. 49bfcd17a6SThomas Petazzoni 501da177e4SLinus Torvaldssource "fs/xfs/Kconfig" 51f7825dcfSDavid Teiglandsource "fs/gfs2/Kconfig" 522fe4371dSAlexey Dobriyansource "fs/ocfs2/Kconfig" 53335debeeSAlexey Dobriyansource "fs/btrfs/Kconfig" 5460582d1eSChris Mason 5525fad945SRandy Dunlapendif # BLOCK 5625fad945SRandy Dunlap 57272eb014SEric Parissource "fs/notify/Kconfig" 582d9048e2SAmy Griffis 591da177e4SLinus Torvaldsconfig QUOTA 601da177e4SLinus Torvalds bool "Quota support" 611da177e4SLinus Torvalds help 621da177e4SLinus Torvalds If you say Y here, you will be able to set per user limits for disk 631da177e4SLinus Torvalds usage (also called disk quotas). Currently, it works for the 641da177e4SLinus Torvalds ext2, ext3, and reiserfs file system. ext3 also supports journalled 651da177e4SLinus Torvalds quotas for which you don't need to run quotacheck(8) after an unclean 66919532a5SAdrian Bunk shutdown. 67919532a5SAdrian Bunk For further details, read the Quota mini-HOWTO, available from 681da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, or the documentation provided 691da177e4SLinus Torvalds with the quota tools. Probably the quota support is only useful for 701da177e4SLinus Torvalds multi user systems. If unsure, say N. 711da177e4SLinus Torvalds 728e893469SJan Karaconfig QUOTA_NETLINK_INTERFACE 738e893469SJan Kara bool "Report quota messages through netlink interface" 748e893469SJan Kara depends on QUOTA && NET 758e893469SJan Kara help 768e893469SJan Kara If you say Y here, quota warnings (about exceeding softlimit, reaching 778e893469SJan Kara hardlimit, etc.) will be reported through netlink interface. If unsure, 788e893469SJan Kara say Y. 798e893469SJan Kara 808e893469SJan Karaconfig PRINT_QUOTA_WARNING 818e893469SJan Kara bool "Print quota warnings to console (OBSOLETE)" 828e893469SJan Kara depends on QUOTA 838e893469SJan Kara default y 848e893469SJan Kara help 858e893469SJan Kara If you say Y here, quota warnings (about exceeding softlimit, reaching 868e893469SJan Kara hardlimit, etc.) will be printed to the process' controlling terminal. 878e893469SJan Kara Note that this behavior is currently deprecated and may go away in 888e893469SJan Kara future. Please use notification via netlink socket instead. 898e893469SJan Kara 901ccd14b9SJan Kara# Generic support for tree structured quota files. Seleted when needed. 911ccd14b9SJan Karaconfig QUOTA_TREE 921ccd14b9SJan Kara tristate 931ccd14b9SJan Kara 941da177e4SLinus Torvaldsconfig QFMT_V1 951da177e4SLinus Torvalds tristate "Old quota format support" 961da177e4SLinus Torvalds depends on QUOTA 971da177e4SLinus Torvalds help 981da177e4SLinus Torvalds This quota format was (is) used by kernels earlier than 2.4.22. If 991da177e4SLinus Torvalds you have quota working and you don't want to convert to new quota 1001da177e4SLinus Torvalds format say Y here. 1011da177e4SLinus Torvalds 1021da177e4SLinus Torvaldsconfig QFMT_V2 1031da177e4SLinus Torvalds tristate "Quota format v2 support" 1041da177e4SLinus Torvalds depends on QUOTA 1051ccd14b9SJan Kara select QUOTA_TREE 1061da177e4SLinus Torvalds help 1071da177e4SLinus Torvalds This quota format allows using quotas with 32-bit UIDs/GIDs. If you 108919532a5SAdrian Bunk need this functionality say Y here. 1091da177e4SLinus Torvalds 1101da177e4SLinus Torvaldsconfig QUOTACTL 1111da177e4SLinus Torvalds bool 1121da177e4SLinus Torvalds depends on XFS_QUOTA || QUOTA 1131da177e4SLinus Torvalds default y 1141da177e4SLinus Torvalds 11590ffd467SAlexey Dobriyansource "fs/autofs/Kconfig" 11690ffd467SAlexey Dobriyansource "fs/autofs4/Kconfig" 1173ef7784eSAlexey Dobriyansource "fs/fuse/Kconfig" 11804578f17SMiklos Szeredi 119f2fbc6c2SRandy Dunlapconfig GENERIC_ACL 120f2fbc6c2SRandy Dunlap bool 121f2fbc6c2SRandy Dunlap select FS_POSIX_ACL 122f2fbc6c2SRandy Dunlap 1239361401eSDavid Howellsif BLOCK 1241da177e4SLinus Torvaldsmenu "CD-ROM/DVD Filesystems" 1251da177e4SLinus Torvalds 126ddfaccd9SAlexey Dobriyansource "fs/isofs/Kconfig" 127ddfaccd9SAlexey Dobriyansource "fs/udf/Kconfig" 1281da177e4SLinus Torvalds 1291da177e4SLinus Torvaldsendmenu 13025fad945SRandy Dunlapendif # BLOCK 1311da177e4SLinus Torvalds 1329361401eSDavid Howellsif BLOCK 1331da177e4SLinus Torvaldsmenu "DOS/FAT/NT Filesystems" 1341da177e4SLinus Torvalds 1351c6ace01SAlexey Dobriyansource "fs/fat/Kconfig" 1369d73ac9eSAlexey Dobriyansource "fs/ntfs/Kconfig" 1371da177e4SLinus Torvalds 1381da177e4SLinus Torvaldsendmenu 13925fad945SRandy Dunlapendif # BLOCK 1401da177e4SLinus Torvalds 1411da177e4SLinus Torvaldsmenu "Pseudo filesystems" 1421da177e4SLinus Torvalds 1436eedf8d3SAlexey Dobriyansource "fs/proc/Kconfig" 1445f3a211aSAlexey Dobriyansource "fs/sysfs/Kconfig" 1451da177e4SLinus Torvalds 1461da177e4SLinus Torvaldsconfig TMPFS 1471da177e4SLinus Torvalds bool "Virtual memory file system support (former shm fs)" 1481da177e4SLinus Torvalds help 1491da177e4SLinus Torvalds Tmpfs is a file system which keeps all files in virtual memory. 1501da177e4SLinus Torvalds 1511da177e4SLinus Torvalds Everything in tmpfs is temporary in the sense that no files will be 1521da177e4SLinus Torvalds created on your hard drive. The files live in memory and swap 1531da177e4SLinus Torvalds space. If you unmount a tmpfs instance, everything stored therein is 1541da177e4SLinus Torvalds lost. 1551da177e4SLinus Torvalds 1561da177e4SLinus Torvalds See <file:Documentation/filesystems/tmpfs.txt> for details. 1571da177e4SLinus Torvalds 15839f0247dSAndreas Gruenbacherconfig TMPFS_POSIX_ACL 15939f0247dSAndreas Gruenbacher bool "Tmpfs POSIX Access Control Lists" 16039f0247dSAndreas Gruenbacher depends on TMPFS 16139f0247dSAndreas Gruenbacher select GENERIC_ACL 16239f0247dSAndreas Gruenbacher help 16339f0247dSAndreas Gruenbacher POSIX Access Control Lists (ACLs) support permissions for users and 16439f0247dSAndreas Gruenbacher groups beyond the owner/group/world scheme. 16539f0247dSAndreas Gruenbacher 16639f0247dSAndreas Gruenbacher To learn more about Access Control Lists, visit the POSIX ACLs for 16739f0247dSAndreas Gruenbacher Linux website <http://acl.bestbits.at/>. 16839f0247dSAndreas Gruenbacher 16939f0247dSAndreas Gruenbacher If you don't know what Access Control Lists are, say N. 17039f0247dSAndreas Gruenbacher 1711da177e4SLinus Torvaldsconfig HUGETLBFS 1721da177e4SLinus Torvalds bool "HugeTLB file system support" 17353492b1dSGerald Schaefer depends on X86 || IA64 || PPC64 || SPARC64 || (SUPERH && MMU) || \ 17453492b1dSGerald Schaefer (S390 && 64BIT) || BROKEN 175dda27d1aSArthur Othieno help 176dda27d1aSArthur Othieno hugetlbfs is a filesystem backing for HugeTLB pages, based on 177dda27d1aSArthur Othieno ramfs. For architectures that support it, say Y here and read 178dda27d1aSArthur Othieno <file:Documentation/vm/hugetlbpage.txt> for details. 179dda27d1aSArthur Othieno 180dda27d1aSArthur Othieno If unsure, say N. 1811da177e4SLinus Torvalds 1821da177e4SLinus Torvaldsconfig HUGETLB_PAGE 1831da177e4SLinus Torvalds def_bool HUGETLBFS 1841da177e4SLinus Torvalds 1854591dabeSAlexey Dobriyansource "fs/configfs/Kconfig" 1867063fbf2SJoel Becker 1871da177e4SLinus Torvaldsendmenu 1881da177e4SLinus Torvalds 18967ec7d3aSRandy Dunlapmenuconfig MISC_FILESYSTEMS 19067ec7d3aSRandy Dunlap bool "Miscellaneous filesystems" 19167ec7d3aSRandy Dunlap default y 19267ec7d3aSRandy Dunlap ---help--- 19367ec7d3aSRandy Dunlap Say Y here to get to see options for various miscellaneous 19467ec7d3aSRandy Dunlap filesystems, such as filesystems that came from other 19567ec7d3aSRandy Dunlap operating systems. 19667ec7d3aSRandy Dunlap 19767ec7d3aSRandy Dunlap This option alone does not add any kernel code. 19867ec7d3aSRandy Dunlap 19967ec7d3aSRandy Dunlap If you say N, all options in this submenu will be skipped and 20067ec7d3aSRandy Dunlap disabled; if unsure, say Y here. 20167ec7d3aSRandy Dunlap 20267ec7d3aSRandy Dunlapif MISC_FILESYSTEMS 2031da177e4SLinus Torvalds 204*bc2de2aeSAlexey Dobriyansource "fs/adfs/Kconfig" 2051da177e4SLinus Torvalds 2061da177e4SLinus Torvaldsconfig AFFS_FS 2071da177e4SLinus Torvalds tristate "Amiga FFS file system support (EXPERIMENTAL)" 2089361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 2091da177e4SLinus Torvalds help 2101da177e4SLinus Torvalds The Fast File System (FFS) is the common file system used on hard 2111da177e4SLinus Torvalds disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20). Say Y 2121da177e4SLinus Torvalds if you want to be able to read and write files from and to an Amiga 2131da177e4SLinus Torvalds FFS partition on your hard drive. Amiga floppies however cannot be 2141da177e4SLinus Torvalds read with this driver due to an incompatibility of the floppy 2151da177e4SLinus Torvalds controller used in an Amiga and the standard floppy controller in 2161da177e4SLinus Torvalds PCs and workstations. Read <file:Documentation/filesystems/affs.txt> 2171da177e4SLinus Torvalds and <file:fs/affs/Changes>. 2181da177e4SLinus Torvalds 2191da177e4SLinus Torvalds With this driver you can also mount disk files used by Bernd 2201da177e4SLinus Torvalds Schmidt's Un*X Amiga Emulator 2211da177e4SLinus Torvalds (<http://www.freiburg.linux.de/~uae/>). 2221da177e4SLinus Torvalds If you want to do this, you will also need to say Y or M to "Loop 2231da177e4SLinus Torvalds device support", above. 2241da177e4SLinus Torvalds 2251da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 2261da177e4SLinus Torvalds module will be called affs. If unsure, say N. 2271da177e4SLinus Torvalds 228237fead6SMichael Halcrowconfig ECRYPT_FS 229237fead6SMichael Halcrow tristate "eCrypt filesystem layer support (EXPERIMENTAL)" 23088b4a07eSMichael Halcrow depends on EXPERIMENTAL && KEYS && CRYPTO && NET 231237fead6SMichael Halcrow help 232237fead6SMichael Halcrow Encrypted filesystem that operates on the VFS layer. See 233e403149cSDirk Hohndel <file:Documentation/filesystems/ecryptfs.txt> to learn more about 234237fead6SMichael Halcrow eCryptfs. Userspace components are required and can be 235237fead6SMichael Halcrow obtained from <http://ecryptfs.sf.net>. 236237fead6SMichael Halcrow 237237fead6SMichael Halcrow To compile this file system support as a module, choose M here: the 238237fead6SMichael Halcrow module will be called ecryptfs. 239237fead6SMichael Halcrow 2401da177e4SLinus Torvaldsconfig HFS_FS 2411da177e4SLinus Torvalds tristate "Apple Macintosh file system support (EXPERIMENTAL)" 2429361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 243878129a3SLennert Buytenhek select NLS 2441da177e4SLinus Torvalds help 2451da177e4SLinus Torvalds If you say Y here, you will be able to mount Macintosh-formatted 2461da177e4SLinus Torvalds floppy disks and hard drive partitions with full read-write access. 247889c94a1SJohann Felix Soden Please read <file:Documentation/filesystems/hfs.txt> to learn about 248889c94a1SJohann Felix Soden the available mount options. 2491da177e4SLinus Torvalds 2501da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 2511da177e4SLinus Torvalds module will be called hfs. 2521da177e4SLinus Torvalds 2531da177e4SLinus Torvaldsconfig HFSPLUS_FS 2541da177e4SLinus Torvalds tristate "Apple Extended HFS file system support" 2559361401eSDavid Howells depends on BLOCK 2561da177e4SLinus Torvalds select NLS 2571da177e4SLinus Torvalds select NLS_UTF8 2581da177e4SLinus Torvalds help 2591da177e4SLinus Torvalds If you say Y here, you will be able to mount extended format 2601da177e4SLinus Torvalds Macintosh-formatted hard drive partitions with full read-write access. 2611da177e4SLinus Torvalds 2621da177e4SLinus Torvalds This file system is often called HFS+ and was introduced with 2631da177e4SLinus Torvalds MacOS 8. It includes all Mac specific filesystem data such as 2641da177e4SLinus Torvalds data forks and creator codes, but it also has several UNIX 2651da177e4SLinus Torvalds style features such as file ownership and permissions. 2661da177e4SLinus Torvalds 2671da177e4SLinus Torvaldsconfig BEFS_FS 2681da177e4SLinus Torvalds tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)" 2699361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 2701da177e4SLinus Torvalds select NLS 2711da177e4SLinus Torvalds help 2721da177e4SLinus Torvalds The BeOS File System (BeFS) is the native file system of Be, Inc's 2731da177e4SLinus Torvalds BeOS. Notable features include support for arbitrary attributes 2743cb2fcccSMatt LaPlante on files and directories, and database-like indices on selected 2751da177e4SLinus Torvalds attributes. (Also note that this driver doesn't make those features 2761da177e4SLinus Torvalds available at this time). It is a 64 bit filesystem, so it supports 27744c09201SMatt LaPlante extremely large volumes and files. 2781da177e4SLinus Torvalds 2791da177e4SLinus Torvalds If you use this filesystem, you should also say Y to at least one 2801da177e4SLinus Torvalds of the NLS (native language support) options below. 2811da177e4SLinus Torvalds 2821da177e4SLinus Torvalds If you don't know what this is about, say N. 2831da177e4SLinus Torvalds 2841da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be 2851da177e4SLinus Torvalds called befs. 2861da177e4SLinus Torvalds 2871da177e4SLinus Torvaldsconfig BEFS_DEBUG 2881da177e4SLinus Torvalds bool "Debug BeFS" 2891da177e4SLinus Torvalds depends on BEFS_FS 2901da177e4SLinus Torvalds help 2911da177e4SLinus Torvalds If you say Y here, you can use the 'debug' mount option to enable 2921da177e4SLinus Torvalds debugging output from the driver. 2931da177e4SLinus Torvalds 2941da177e4SLinus Torvaldsconfig BFS_FS 2951da177e4SLinus Torvalds tristate "BFS file system support (EXPERIMENTAL)" 2969361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 2971da177e4SLinus Torvalds help 2981da177e4SLinus Torvalds Boot File System (BFS) is a file system used under SCO UnixWare to 2991da177e4SLinus Torvalds allow the bootloader access to the kernel image and other important 3001da177e4SLinus Torvalds files during the boot process. It is usually mounted under /stand 3011da177e4SLinus Torvalds and corresponds to the slice marked as "STAND" in the UnixWare 3021da177e4SLinus Torvalds partition. You should say Y if you want to read or write the files 3031da177e4SLinus Torvalds on your /stand slice from within Linux. You then also need to say Y 3041da177e4SLinus Torvalds to "UnixWare slices support", below. More information about the BFS 3051da177e4SLinus Torvalds file system is contained in the file 3061da177e4SLinus Torvalds <file:Documentation/filesystems/bfs.txt>. 3071da177e4SLinus Torvalds 3081da177e4SLinus Torvalds If you don't know what this is about, say N. 3091da177e4SLinus Torvalds 3101da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 3111da177e4SLinus Torvalds bfs. Note that the file system of your root partition (the one 3121da177e4SLinus Torvalds containing the directory /) cannot be compiled as a module. 3131da177e4SLinus Torvalds 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds 3161da177e4SLinus Torvaldsconfig EFS_FS 3171da177e4SLinus Torvalds tristate "EFS file system support (read only) (EXPERIMENTAL)" 3189361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 3191da177e4SLinus Torvalds help 3201da177e4SLinus Torvalds EFS is an older file system used for non-ISO9660 CD-ROMs and hard 3211da177e4SLinus Torvalds disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer 3221da177e4SLinus Torvalds uses the XFS file system for hard disk partitions however). 3231da177e4SLinus Torvalds 3241da177e4SLinus Torvalds This implementation only offers read-only access. If you don't know 3251da177e4SLinus Torvalds what all this is about, it's safe to say N. For more information 3261da177e4SLinus Torvalds about EFS see its home page at <http://aeschi.ch.eu.org/efs/>. 3271da177e4SLinus Torvalds 3281da177e4SLinus Torvalds To compile the EFS file system support as a module, choose M here: the 3291da177e4SLinus Torvalds module will be called efs. 3301da177e4SLinus Torvalds 33131db6e9eSAlexey Dobriyansource "fs/jffs2/Kconfig" 3320d7eff87SArtem Bityutskiy# UBIFS File system configuration 3330d7eff87SArtem Bityutskiysource "fs/ubifs/Kconfig" 3340d7eff87SArtem Bityutskiy 3351da177e4SLinus Torvaldsconfig CRAMFS 3361da177e4SLinus Torvalds tristate "Compressed ROM file system support (cramfs)" 3379361401eSDavid Howells depends on BLOCK 3381da177e4SLinus Torvalds select ZLIB_INFLATE 3391da177e4SLinus Torvalds help 3401da177e4SLinus Torvalds Saying Y here includes support for CramFs (Compressed ROM File 3411da177e4SLinus Torvalds System). CramFs is designed to be a simple, small, and compressed 3421da177e4SLinus Torvalds file system for ROM based embedded systems. CramFs is read-only, 3431da177e4SLinus Torvalds limited to 256MB file systems (with 16MB files), and doesn't support 3441da177e4SLinus Torvalds 16/32 bits uid/gid, hard links and timestamps. 3451da177e4SLinus Torvalds 3461da177e4SLinus Torvalds See <file:Documentation/filesystems/cramfs.txt> and 3471da177e4SLinus Torvalds <file:fs/cramfs/README> for further information. 3481da177e4SLinus Torvalds 3491da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 3501da177e4SLinus Torvalds cramfs. Note that the root file system (the one containing the 3511da177e4SLinus Torvalds directory /) cannot be compiled as a module. 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds If unsure, say N. 3541da177e4SLinus Torvalds 3556ab5c1caSPhillip Lougherconfig SQUASHFS 3566ab5c1caSPhillip Lougher tristate "SquashFS 4.0 - Squashed file system support" 3576ab5c1caSPhillip Lougher depends on BLOCK 3586ab5c1caSPhillip Lougher select ZLIB_INFLATE 3596ab5c1caSPhillip Lougher help 3606ab5c1caSPhillip Lougher Saying Y here includes support for SquashFS 4.0 (a Compressed 3616ab5c1caSPhillip Lougher Read-Only File System). Squashfs is a highly compressed read-only 3626ab5c1caSPhillip Lougher filesystem for Linux. It uses zlib compression to compress both 3636ab5c1caSPhillip Lougher files, inodes and directories. Inodes in the system are very small 3646ab5c1caSPhillip Lougher and all blocks are packed to minimise data overhead. Block sizes 3656ab5c1caSPhillip Lougher greater than 4K are supported up to a maximum of 1 Mbytes (default 3666ab5c1caSPhillip Lougher block size 128K). SquashFS 4.0 supports 64 bit filesystems and files 3676ab5c1caSPhillip Lougher (larger than 4GB), full uid/gid information, hard links and 3686ab5c1caSPhillip Lougher timestamps. 3696ab5c1caSPhillip Lougher 3706ab5c1caSPhillip Lougher Squashfs is intended for general read-only filesystem use, for 3716ab5c1caSPhillip Lougher archival use (i.e. in cases where a .tar.gz file may be used), and in 3726ab5c1caSPhillip Lougher embedded systems where low overhead is needed. Further information 3736ab5c1caSPhillip Lougher and tools are available from http://squashfs.sourceforge.net. 3746ab5c1caSPhillip Lougher 3756ab5c1caSPhillip Lougher If you want to compile this as a module ( = code which can be 3766ab5c1caSPhillip Lougher inserted in and removed from the running kernel whenever you want), 3776ab5c1caSPhillip Lougher say M here and read <file:Documentation/modules.txt>. The module 3786ab5c1caSPhillip Lougher will be called squashfs. Note that the root file system (the one 3796ab5c1caSPhillip Lougher containing the directory /) cannot be compiled as a module. 3806ab5c1caSPhillip Lougher 3816ab5c1caSPhillip Lougher If unsure, say N. 3826ab5c1caSPhillip Lougher 3836ab5c1caSPhillip Lougherconfig SQUASHFS_EMBEDDED 3846ab5c1caSPhillip Lougher 3856ab5c1caSPhillip Lougher bool "Additional option for memory-constrained systems" 3866ab5c1caSPhillip Lougher depends on SQUASHFS 3876ab5c1caSPhillip Lougher default n 3886ab5c1caSPhillip Lougher help 3896ab5c1caSPhillip Lougher Saying Y here allows you to specify cache size. 3906ab5c1caSPhillip Lougher 3916ab5c1caSPhillip Lougher If unsure, say N. 3926ab5c1caSPhillip Lougher 3936ab5c1caSPhillip Lougherconfig SQUASHFS_FRAGMENT_CACHE_SIZE 3946ab5c1caSPhillip Lougher int "Number of fragments cached" if SQUASHFS_EMBEDDED 3956ab5c1caSPhillip Lougher depends on SQUASHFS 3966ab5c1caSPhillip Lougher default "3" 3976ab5c1caSPhillip Lougher help 3986ab5c1caSPhillip Lougher By default SquashFS caches the last 3 fragments read from 3996ab5c1caSPhillip Lougher the filesystem. Increasing this amount may mean SquashFS 4006ab5c1caSPhillip Lougher has to re-read fragments less often from disk, at the expense 4016ab5c1caSPhillip Lougher of extra system memory. Decreasing this amount will mean 4026ab5c1caSPhillip Lougher SquashFS uses less memory at the expense of extra reads from disk. 4036ab5c1caSPhillip Lougher 4046ab5c1caSPhillip Lougher Note there must be at least one cached fragment. Anything 4056ab5c1caSPhillip Lougher much more than three will probably not make much difference. 4066ab5c1caSPhillip Lougher 4071da177e4SLinus Torvaldsconfig VXFS_FS 4081da177e4SLinus Torvalds tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)" 4099361401eSDavid Howells depends on BLOCK 4101da177e4SLinus Torvalds help 4111da177e4SLinus Torvalds FreeVxFS is a file system driver that support the VERITAS VxFS(TM) 4121da177e4SLinus Torvalds file system format. VERITAS VxFS(TM) is the standard file system 4131da177e4SLinus Torvalds of SCO UnixWare (and possibly others) and optionally available 4141da177e4SLinus Torvalds for Sunsoft Solaris, HP-UX and many other operating systems. 4151da177e4SLinus Torvalds Currently only readonly access is supported. 4161da177e4SLinus Torvalds 4171da177e4SLinus Torvalds NOTE: the file system type as used by mount(1), mount(2) and 4181da177e4SLinus Torvalds fstab(5) is 'vxfs' as it describes the file system format, not 4191da177e4SLinus Torvalds the actual driver. 4201da177e4SLinus Torvalds 4211da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be 4221da177e4SLinus Torvalds called freevxfs. If unsure, say N. 4231da177e4SLinus Torvalds 42425fad945SRandy Dunlapconfig MINIX_FS 42525fad945SRandy Dunlap tristate "Minix file system support" 42625fad945SRandy Dunlap depends on BLOCK 42725fad945SRandy Dunlap help 42825fad945SRandy Dunlap Minix is a simple operating system used in many classes about OS's. 42925fad945SRandy Dunlap The minix file system (method to organize files on a hard disk 43025fad945SRandy Dunlap partition or a floppy disk) was the original file system for Linux, 43125fad945SRandy Dunlap but has been superseded by the second extended file system ext2fs. 43225fad945SRandy Dunlap You don't want to use the minix file system on your hard disk 43325fad945SRandy Dunlap because of certain built-in restrictions, but it is sometimes found 43425fad945SRandy Dunlap on older Linux floppy disks. This option will enlarge your kernel 43525fad945SRandy Dunlap by about 28 KB. If unsure, say N. 43625fad945SRandy Dunlap 43725fad945SRandy Dunlap To compile this file system support as a module, choose M here: the 43825fad945SRandy Dunlap module will be called minix. Note that the file system of your root 43925fad945SRandy Dunlap partition (the one containing the directory /) cannot be compiled as 44025fad945SRandy Dunlap a module. 44125fad945SRandy Dunlap 44263ca8ce2SBob Copelandconfig OMFS_FS 44363ca8ce2SBob Copeland tristate "SonicBlue Optimized MPEG File System support" 44463ca8ce2SBob Copeland depends on BLOCK 44563ca8ce2SBob Copeland select CRC_ITU_T 44663ca8ce2SBob Copeland help 44763ca8ce2SBob Copeland This is the proprietary file system used by the Rio Karma music 44863ca8ce2SBob Copeland player and ReplayTV DVR. Despite the name, this filesystem is not 44963ca8ce2SBob Copeland more efficient than a standard FS for MPEG files, in fact likely 45063ca8ce2SBob Copeland the opposite is true. Say Y if you have either of these devices 45163ca8ce2SBob Copeland and wish to mount its disk. 45263ca8ce2SBob Copeland 45363ca8ce2SBob Copeland To compile this file system support as a module, choose M here: the 45463ca8ce2SBob Copeland module will be called omfs. If unsure, say N. 4551da177e4SLinus Torvalds 4561da177e4SLinus Torvaldsconfig HPFS_FS 4571da177e4SLinus Torvalds tristate "OS/2 HPFS file system support" 4589361401eSDavid Howells depends on BLOCK 4591da177e4SLinus Torvalds help 4601da177e4SLinus Torvalds OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS 4611da177e4SLinus Torvalds is the file system used for organizing files on OS/2 hard disk 4621da177e4SLinus Torvalds partitions. Say Y if you want to be able to read files from and 4631da177e4SLinus Torvalds write files to an OS/2 HPFS partition on your hard drive. OS/2 4641da177e4SLinus Torvalds floppies however are in regular MSDOS format, so you don't need this 4651da177e4SLinus Torvalds option in order to be able to read them. Read 4661da177e4SLinus Torvalds <file:Documentation/filesystems/hpfs.txt>. 4671da177e4SLinus Torvalds 4681da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 4691da177e4SLinus Torvalds module will be called hpfs. If unsure, say N. 4701da177e4SLinus Torvalds 4711da177e4SLinus Torvalds 4721da177e4SLinus Torvaldsconfig QNX4FS_FS 4731da177e4SLinus Torvalds tristate "QNX4 file system support (read only)" 4749361401eSDavid Howells depends on BLOCK 4751da177e4SLinus Torvalds help 4761da177e4SLinus Torvalds This is the file system used by the real-time operating systems 4771da177e4SLinus Torvalds QNX 4 and QNX 6 (the latter is also called QNX RTP). 4781da177e4SLinus Torvalds Further information is available at <http://www.qnx.com/>. 4791da177e4SLinus Torvalds Say Y if you intend to mount QNX hard disks or floppies. 4801da177e4SLinus Torvalds Unless you say Y to "QNX4FS read-write support" below, you will 4811da177e4SLinus Torvalds only be able to read these file systems. 4821da177e4SLinus Torvalds 4831da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 4841da177e4SLinus Torvalds module will be called qnx4. 4851da177e4SLinus Torvalds 4861da177e4SLinus Torvalds If you don't know whether you need it, then you don't need it: 4871da177e4SLinus Torvalds answer N. 4881da177e4SLinus Torvalds 4891da177e4SLinus Torvaldsconfig QNX4FS_RW 4901da177e4SLinus Torvalds bool "QNX4FS write support (DANGEROUS)" 4911da177e4SLinus Torvalds depends on QNX4FS_FS && EXPERIMENTAL && BROKEN 4921da177e4SLinus Torvalds help 4931da177e4SLinus Torvalds Say Y if you want to test write support for QNX4 file systems. 4941da177e4SLinus Torvalds 4951da177e4SLinus Torvalds It's currently broken, so for now: 4961da177e4SLinus Torvalds answer N. 4971da177e4SLinus Torvalds 49825fad945SRandy Dunlapconfig ROMFS_FS 49925fad945SRandy Dunlap tristate "ROM file system support" 50025fad945SRandy Dunlap depends on BLOCK 50125fad945SRandy Dunlap ---help--- 50225fad945SRandy Dunlap This is a very small read-only file system mainly intended for 50325fad945SRandy Dunlap initial ram disks of installation disks, but it could be used for 50425fad945SRandy Dunlap other read-only media as well. Read 50525fad945SRandy Dunlap <file:Documentation/filesystems/romfs.txt> for details. 50625fad945SRandy Dunlap 50725fad945SRandy Dunlap To compile this file system support as a module, choose M here: the 50825fad945SRandy Dunlap module will be called romfs. Note that the file system of your 50925fad945SRandy Dunlap root partition (the one containing the directory /) cannot be a 51025fad945SRandy Dunlap module. 51125fad945SRandy Dunlap 51225fad945SRandy Dunlap If you don't know whether you need it, then you don't need it: 51325fad945SRandy Dunlap answer N. 5141da177e4SLinus Torvalds 5151da177e4SLinus Torvalds 5161da177e4SLinus Torvaldsconfig SYSV_FS 5171da177e4SLinus Torvalds tristate "System V/Xenix/V7/Coherent file system support" 5189361401eSDavid Howells depends on BLOCK 5191da177e4SLinus Torvalds help 5201da177e4SLinus Torvalds SCO, Xenix and Coherent are commercial Unix systems for Intel 5211da177e4SLinus Torvalds machines, and Version 7 was used on the DEC PDP-11. Saying Y 5221da177e4SLinus Torvalds here would allow you to read from their floppies and hard disk 5231da177e4SLinus Torvalds partitions. 5241da177e4SLinus Torvalds 5251da177e4SLinus Torvalds If you have floppies or hard disk partitions like that, it is likely 5261da177e4SLinus Torvalds that they contain binaries from those other Unix systems; in order 527cab00891SMatt LaPlante to run these binaries, you will want to install linux-abi which is 5281da177e4SLinus Torvalds a set of kernel modules that lets you run SCO, Xenix, Wyse, 5291da177e4SLinus Torvalds UnixWare, Dell Unix and System V programs under Linux. It is 5301da177e4SLinus Torvalds available via FTP (user: ftp) from 5311da177e4SLinus Torvalds <ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>). 5321da177e4SLinus Torvalds NOTE: that will work only for binaries from Intel-based systems; 5331da177e4SLinus Torvalds PDP ones will have to wait until somebody ports Linux to -11 ;-) 5341da177e4SLinus Torvalds 5351da177e4SLinus Torvalds If you only intend to mount files from some other Unix over the 5361da177e4SLinus Torvalds network using NFS, you don't need the System V file system support 5371da177e4SLinus Torvalds (but you need NFS file system support obviously). 5381da177e4SLinus Torvalds 5391da177e4SLinus Torvalds Note that this option is generally not needed for floppies, since a 5401da177e4SLinus Torvalds good portable way to transport files and directories between unixes 5411da177e4SLinus Torvalds (and even other operating systems) is given by the tar program ("man 5421da177e4SLinus Torvalds tar" or preferably "info tar"). Note also that this option has 5431da177e4SLinus Torvalds nothing whatsoever to do with the option "System V IPC". Read about 5441da177e4SLinus Torvalds the System V file system in 5451da177e4SLinus Torvalds <file:Documentation/filesystems/sysv-fs.txt>. 5461da177e4SLinus Torvalds Saying Y here will enlarge your kernel by about 27 KB. 5471da177e4SLinus Torvalds 5481da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 5491da177e4SLinus Torvalds sysv. 5501da177e4SLinus Torvalds 5511da177e4SLinus Torvalds If you haven't heard about all of this before, it's safe to say N. 5521da177e4SLinus Torvalds 5531da177e4SLinus Torvalds 5541da177e4SLinus Torvaldsconfig UFS_FS 5551da177e4SLinus Torvalds tristate "UFS file system support (read only)" 5569361401eSDavid Howells depends on BLOCK 5571da177e4SLinus Torvalds help 5581da177e4SLinus Torvalds BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD, 5591da177e4SLinus Torvalds OpenBSD and NeXTstep) use a file system called UFS. Some System V 5601da177e4SLinus Torvalds Unixes can create and mount hard disk partitions and diskettes using 5611da177e4SLinus Torvalds this file system as well. Saying Y here will allow you to read from 5621da177e4SLinus Torvalds these partitions; if you also want to write to them, say Y to the 5631da177e4SLinus Torvalds experimental "UFS file system write support", below. Please read the 5641da177e4SLinus Torvalds file <file:Documentation/filesystems/ufs.txt> for more information. 5651da177e4SLinus Torvalds 5661da177e4SLinus Torvalds The recently released UFS2 variant (used in FreeBSD 5.x) is 5671da177e4SLinus Torvalds READ-ONLY supported. 5681da177e4SLinus Torvalds 5691da177e4SLinus Torvalds Note that this option is generally not needed for floppies, since a 5701da177e4SLinus Torvalds good portable way to transport files and directories between unixes 5711da177e4SLinus Torvalds (and even other operating systems) is given by the tar program ("man 5721da177e4SLinus Torvalds tar" or preferably "info tar"). 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds When accessing NeXTstep files, you may need to convert them from the 5751da177e4SLinus Torvalds NeXT character set to the Latin1 character set; use the program 5761da177e4SLinus Torvalds recode ("info recode") for this purpose. 5771da177e4SLinus Torvalds 5781da177e4SLinus Torvalds To compile the UFS file system support as a module, choose M here: the 5791da177e4SLinus Torvalds module will be called ufs. 5801da177e4SLinus Torvalds 5811da177e4SLinus Torvalds If you haven't heard about all of this before, it's safe to say N. 5821da177e4SLinus Torvalds 5831da177e4SLinus Torvaldsconfig UFS_FS_WRITE 5841da177e4SLinus Torvalds bool "UFS file system write support (DANGEROUS)" 5855afb3145SEvgeniy Dushistov depends on UFS_FS && EXPERIMENTAL 5861da177e4SLinus Torvalds help 5871da177e4SLinus Torvalds Say Y here if you want to try writing to UFS partitions. This is 5881da177e4SLinus Torvalds experimental, so you should back up your UFS partitions beforehand. 5891da177e4SLinus Torvalds 590abf5d15fSEvgeniy Dushistovconfig UFS_DEBUG 591abf5d15fSEvgeniy Dushistov bool "UFS debugging" 592abf5d15fSEvgeniy Dushistov depends on UFS_FS 593abf5d15fSEvgeniy Dushistov help 594abf5d15fSEvgeniy Dushistov If you are experiencing any problems with the UFS filesystem, say 595abf5d15fSEvgeniy Dushistov Y here. This will result in _many_ additional debugging messages to be 596abf5d15fSEvgeniy Dushistov written to the system log. 597abf5d15fSEvgeniy Dushistov 59867ec7d3aSRandy Dunlapendif # MISC_FILESYSTEMS 5991da177e4SLinus Torvalds 600ea0985adSJan Engelhardtmenuconfig NETWORK_FILESYSTEMS 601ea0985adSJan Engelhardt bool "Network File Systems" 602ea0985adSJan Engelhardt default y 6031da177e4SLinus Torvalds depends on NET 604ea0985adSJan Engelhardt ---help--- 605ea0985adSJan Engelhardt Say Y here to get to see options for network filesystems and 606ea0985adSJan Engelhardt filesystem-related networking code, such as NFS daemon and 607ea0985adSJan Engelhardt RPCSEC security modules. 6086fb1bc10SChuck Lever 609ea0985adSJan Engelhardt This option alone does not add any kernel code. 610ea0985adSJan Engelhardt 611ea0985adSJan Engelhardt If you say N, all options in this submenu will be skipped and 612ea0985adSJan Engelhardt disabled; if unsure, say Y here. 613ea0985adSJan Engelhardt 614ea0985adSJan Engelhardtif NETWORK_FILESYSTEMS 6151da177e4SLinus Torvalds 6161da177e4SLinus Torvaldsconfig NFS_FS 6176fb1bc10SChuck Lever tristate "NFS client support" 6181da177e4SLinus Torvalds depends on INET 6191da177e4SLinus Torvalds select LOCKD 6201da177e4SLinus Torvalds select SUNRPC 621b7fa0554SAndreas Gruenbacher select NFS_ACL_SUPPORT if NFS_V3_ACL 6221da177e4SLinus Torvalds help 6236fb1bc10SChuck Lever Choose Y here if you want to access files residing on other 6246fb1bc10SChuck Lever computers using Sun's Network File System protocol. To compile 6256fb1bc10SChuck Lever this file system support as a module, choose M here: the module 6266fb1bc10SChuck Lever will be called nfs. 6271da177e4SLinus Torvalds 6286fb1bc10SChuck Lever To mount file systems exported by NFS servers, you also need to 6296fb1bc10SChuck Lever install the user space mount.nfs command which can be found in 6306fb1bc10SChuck Lever the Linux nfs-utils package, available from http://linux-nfs.org/. 6316fb1bc10SChuck Lever Information about using the mount command is available in the 6326fb1bc10SChuck Lever mount(8) man page. More detail about the Linux NFS client 6336fb1bc10SChuck Lever implementation is available via the nfs(5) man page. 6341da177e4SLinus Torvalds 6356fb1bc10SChuck Lever Below you can choose which versions of the NFS protocol are 6366fb1bc10SChuck Lever available in the kernel to mount NFS servers. Support for NFS 6376fb1bc10SChuck Lever version 2 (RFC 1094) is always available when NFS_FS is selected. 6381da177e4SLinus Torvalds 6396fb1bc10SChuck Lever To configure a system which mounts its root file system via NFS 6406fb1bc10SChuck Lever at boot time, say Y here, select "Kernel level IP 6416fb1bc10SChuck Lever autoconfiguration" in the NETWORK menu, and select "Root file 6426fb1bc10SChuck Lever system on NFS" below. You cannot compile this file system as a 6436fb1bc10SChuck Lever module in this case. 6441da177e4SLinus Torvalds 6456fb1bc10SChuck Lever If unsure, say N. 6461da177e4SLinus Torvalds 6471da177e4SLinus Torvaldsconfig NFS_V3 6486fb1bc10SChuck Lever bool "NFS client support for NFS version 3" 6491da177e4SLinus Torvalds depends on NFS_FS 6501da177e4SLinus Torvalds help 6516fb1bc10SChuck Lever This option enables support for version 3 of the NFS protocol 6526fb1bc10SChuck Lever (RFC 1813) in the kernel's NFS client. 6531da177e4SLinus Torvalds 6541da177e4SLinus Torvalds If unsure, say Y. 6551da177e4SLinus Torvalds 656b7fa0554SAndreas Gruenbacherconfig NFS_V3_ACL 6576fb1bc10SChuck Lever bool "NFS client support for the NFSv3 ACL protocol extension" 658b7fa0554SAndreas Gruenbacher depends on NFS_V3 659b7fa0554SAndreas Gruenbacher help 6606fb1bc10SChuck Lever Some NFS servers support an auxiliary NFSv3 ACL protocol that 6616fb1bc10SChuck Lever Sun added to Solaris but never became an official part of the 6626fb1bc10SChuck Lever NFS version 3 protocol. This protocol extension allows 6636fb1bc10SChuck Lever applications on NFS clients to manipulate POSIX Access Control 6646fb1bc10SChuck Lever Lists on files residing on NFS servers. NFS servers enforce 6656fb1bc10SChuck Lever ACLs on local files whether this protocol is available or not. 6666fb1bc10SChuck Lever 6676fb1bc10SChuck Lever Choose Y here if your NFS server supports the Solaris NFSv3 ACL 6686fb1bc10SChuck Lever protocol extension and you want your NFS client to allow 6696fb1bc10SChuck Lever applications to access and modify ACLs on files on the server. 6706fb1bc10SChuck Lever 6716fb1bc10SChuck Lever Most NFS servers don't support the Solaris NFSv3 ACL protocol 6726fb1bc10SChuck Lever extension. You can choose N here or specify the "noacl" mount 6736fb1bc10SChuck Lever option to prevent your NFS client from trying to use the NFSv3 6746fb1bc10SChuck Lever ACL protocol. 675b7fa0554SAndreas Gruenbacher 676b7fa0554SAndreas Gruenbacher If unsure, say N. 677b7fa0554SAndreas Gruenbacher 6781da177e4SLinus Torvaldsconfig NFS_V4 6796fb1bc10SChuck Lever bool "NFS client support for NFS version 4 (EXPERIMENTAL)" 6801da177e4SLinus Torvalds depends on NFS_FS && EXPERIMENTAL 6811da177e4SLinus Torvalds select RPCSEC_GSS_KRB5 6821da177e4SLinus Torvalds help 6836fb1bc10SChuck Lever This option enables support for version 4 of the NFS protocol 6846fb1bc10SChuck Lever (RFC 3530) in the kernel's NFS client. 6851da177e4SLinus Torvalds 6866fb1bc10SChuck Lever To mount NFS servers using NFSv4, you also need to install user 6876fb1bc10SChuck Lever space programs which can be found in the Linux nfs-utils package, 6886fb1bc10SChuck Lever available from http://linux-nfs.org/. 6891da177e4SLinus Torvalds 6901da177e4SLinus Torvalds If unsure, say N. 6911da177e4SLinus Torvalds 6926fb1bc10SChuck Leverconfig ROOT_NFS 6936fb1bc10SChuck Lever bool "Root file system on NFS" 6946fb1bc10SChuck Lever depends on NFS_FS=y && IP_PNP 6956fb1bc10SChuck Lever help 6966fb1bc10SChuck Lever If you want your system to mount its root file system via NFS, 6976fb1bc10SChuck Lever choose Y here. This is common practice for managing systems 6986fb1bc10SChuck Lever without local permanent storage. For details, read 6996fb1bc10SChuck Lever <file:Documentation/filesystems/nfsroot.txt>. 7006fb1bc10SChuck Lever 7016fb1bc10SChuck Lever Most people say N here. 7026fb1bc10SChuck Lever 7031da177e4SLinus Torvaldsconfig NFSD 7041da177e4SLinus Torvalds tristate "NFS server support" 7051da177e4SLinus Torvalds depends on INET 7061da177e4SLinus Torvalds select LOCKD 7071da177e4SLinus Torvalds select SUNRPC 7081da177e4SLinus Torvalds select EXPORTFS 709f05e15b5SHerbert Xu select NFS_ACL_SUPPORT if NFSD_V2_ACL 7101da177e4SLinus Torvalds help 711d24455b5SChuck Lever Choose Y here if you want to allow other computers to access 712d24455b5SChuck Lever files residing on this system using Sun's Network File System 713d24455b5SChuck Lever protocol. To compile the NFS server support as a module, 714d24455b5SChuck Lever choose M here: the module will be called nfsd. 7151da177e4SLinus Torvalds 716d24455b5SChuck Lever You may choose to use a user-space NFS server instead, in which 717d24455b5SChuck Lever case you can choose N here. 7181da177e4SLinus Torvalds 719d24455b5SChuck Lever To export local file systems using NFS, you also need to install 720d24455b5SChuck Lever user space programs which can be found in the Linux nfs-utils 721d24455b5SChuck Lever package, available from http://linux-nfs.org/. More detail about 722d24455b5SChuck Lever the Linux NFS server implementation is available via the 723d24455b5SChuck Lever exports(5) man page. 7241da177e4SLinus Torvalds 725d24455b5SChuck Lever Below you can choose which versions of the NFS protocol are 726d24455b5SChuck Lever available to clients mounting the NFS server on this system. 727d24455b5SChuck Lever Support for NFS version 2 (RFC 1094) is always available when 728d24455b5SChuck Lever CONFIG_NFSD is selected. 7291da177e4SLinus Torvalds 730d24455b5SChuck Lever If unsure, say N. 7311da177e4SLinus Torvalds 732a257cdd0SAndreas Gruenbacherconfig NFSD_V2_ACL 733a257cdd0SAndreas Gruenbacher bool 734a257cdd0SAndreas Gruenbacher depends on NFSD 735a257cdd0SAndreas Gruenbacher 7361da177e4SLinus Torvaldsconfig NFSD_V3 737d24455b5SChuck Lever bool "NFS server support for NFS version 3" 7381da177e4SLinus Torvalds depends on NFSD 7391da177e4SLinus Torvalds help 740d24455b5SChuck Lever This option enables support in your system's NFS server for 741d24455b5SChuck Lever version 3 of the NFS protocol (RFC 1813). 742d24455b5SChuck Lever 743d24455b5SChuck Lever If unsure, say Y. 7441da177e4SLinus Torvalds 745a257cdd0SAndreas Gruenbacherconfig NFSD_V3_ACL 746d24455b5SChuck Lever bool "NFS server support for the NFSv3 ACL protocol extension" 747a257cdd0SAndreas Gruenbacher depends on NFSD_V3 74878dd0992SChuck Lever select NFSD_V2_ACL 749a257cdd0SAndreas Gruenbacher help 750d24455b5SChuck Lever Solaris NFS servers support an auxiliary NFSv3 ACL protocol that 751d24455b5SChuck Lever never became an official part of the NFS version 3 protocol. 752d24455b5SChuck Lever This protocol extension allows applications on NFS clients to 753d24455b5SChuck Lever manipulate POSIX Access Control Lists on files residing on NFS 754d24455b5SChuck Lever servers. NFS servers enforce POSIX ACLs on local files whether 755d24455b5SChuck Lever this protocol is available or not. 756d24455b5SChuck Lever 757d24455b5SChuck Lever This option enables support in your system's NFS server for the 758d24455b5SChuck Lever NFSv3 ACL protocol extension allowing NFS clients to manipulate 759d24455b5SChuck Lever POSIX ACLs on files exported by your system's NFS server. NFS 760d24455b5SChuck Lever clients which support the Solaris NFSv3 ACL protocol can then 761d24455b5SChuck Lever access and modify ACLs on your NFS server. 762d24455b5SChuck Lever 763d24455b5SChuck Lever To store ACLs on your NFS server, you also need to enable ACL- 764d24455b5SChuck Lever related CONFIG options for your local file systems of choice. 765d24455b5SChuck Lever 766d24455b5SChuck Lever If unsure, say N. 767a257cdd0SAndreas Gruenbacher 7681da177e4SLinus Torvaldsconfig NFSD_V4 769d24455b5SChuck Lever bool "NFS server support for NFS version 4 (EXPERIMENTAL)" 7701a448fdbSChuck Lever depends on NFSD && PROC_FS && EXPERIMENTAL 7711a448fdbSChuck Lever select NFSD_V3 77289206955SChuck Lever select FS_POSIX_ACL 77342ed95c4SJ. Bruce Fields select RPCSEC_GSS_KRB5 7741da177e4SLinus Torvalds help 775d24455b5SChuck Lever This option enables support in your system's NFS server for 776d24455b5SChuck Lever version 4 of the NFS protocol (RFC 3530). 777d24455b5SChuck Lever 778d24455b5SChuck Lever To export files using NFSv4, you need to install additional user 779d24455b5SChuck Lever space programs which can be found in the Linux nfs-utils package, 780d24455b5SChuck Lever available from http://linux-nfs.org/. 781d24455b5SChuck Lever 7821da177e4SLinus Torvalds If unsure, say N. 7831da177e4SLinus Torvalds 7841da177e4SLinus Torvaldsconfig LOCKD 7851da177e4SLinus Torvalds tristate 7861da177e4SLinus Torvalds 7871da177e4SLinus Torvaldsconfig LOCKD_V4 7881da177e4SLinus Torvalds bool 7891da177e4SLinus Torvalds depends on NFSD_V3 || NFS_V3 7901da177e4SLinus Torvalds default y 7911da177e4SLinus Torvalds 7921da177e4SLinus Torvaldsconfig EXPORTFS 7931da177e4SLinus Torvalds tristate 7941da177e4SLinus Torvalds 795a257cdd0SAndreas Gruenbacherconfig NFS_ACL_SUPPORT 796a257cdd0SAndreas Gruenbacher tristate 797a257cdd0SAndreas Gruenbacher select FS_POSIX_ACL 798a257cdd0SAndreas Gruenbacher 799a257cdd0SAndreas Gruenbacherconfig NFS_COMMON 800a257cdd0SAndreas Gruenbacher bool 801a257cdd0SAndreas Gruenbacher depends on NFSD || NFS_FS 802a257cdd0SAndreas Gruenbacher default y 803a257cdd0SAndreas Gruenbacher 8041da177e4SLinus Torvaldsconfig SUNRPC 8051da177e4SLinus Torvalds tristate 8061da177e4SLinus Torvalds 8071da177e4SLinus Torvaldsconfig SUNRPC_GSS 8081da177e4SLinus Torvalds tristate 8091da177e4SLinus Torvalds 810c3a57ed7S\"Talpey, Thomas\config SUNRPC_XPRT_RDMA 8113211e4ebSJames Lentini tristate 812113632d0S\"Talpey, Thomas\ depends on SUNRPC && INFINIBAND && EXPERIMENTAL 8133211e4ebSJames Lentini default SUNRPC && INFINIBAND 814327a299dSChuck Lever help 815327a299dSChuck Lever This option enables an RPC client transport capability that 816327a299dSChuck Lever allows the NFS client to mount servers via an RDMA-enabled 817327a299dSChuck Lever transport. 818327a299dSChuck Lever 819327a299dSChuck Lever To compile RPC client RDMA transport support as a module, 820327a299dSChuck Lever choose M here: the module will be called xprtrdma. 821327a299dSChuck Lever 822327a299dSChuck Lever If unsure, say N. 823c3a57ed7S\"Talpey, Thomas\ 824a26cfad6SChuck Leverconfig SUNRPC_REGISTER_V4 825a26cfad6SChuck Lever bool "Register local RPC services via rpcbind v4 (EXPERIMENTAL)" 826a26cfad6SChuck Lever depends on SUNRPC && EXPERIMENTAL 827a26cfad6SChuck Lever default n 828a26cfad6SChuck Lever help 829a26cfad6SChuck Lever Sun added support for registering RPC services at an IPv6 830a26cfad6SChuck Lever address by creating two new versions of the rpcbind protocol 831a26cfad6SChuck Lever (RFC 1833). 832a26cfad6SChuck Lever 833a26cfad6SChuck Lever This option enables support in the kernel RPC server for 834a26cfad6SChuck Lever registering kernel RPC services via version 4 of the rpcbind 835a26cfad6SChuck Lever protocol. If you enable this option, you must run a portmapper 836a26cfad6SChuck Lever daemon that supports rpcbind protocol version 4. 837a26cfad6SChuck Lever 838a26cfad6SChuck Lever Serving NFS over IPv6 from knfsd (the kernel's NFS server) 839a26cfad6SChuck Lever requires that you enable this option and use a portmapper that 840a26cfad6SChuck Lever supports rpcbind version 4. 841a26cfad6SChuck Lever 842a26cfad6SChuck Lever If unsure, say N to get traditional behavior (register kernel 843a26cfad6SChuck Lever RPC services using only rpcbind version 2). Distributions 844a26cfad6SChuck Lever using the legacy Linux portmapper daemon must say N here. 845a26cfad6SChuck Lever 8461da177e4SLinus Torvaldsconfig RPCSEC_GSS_KRB5 8471da177e4SLinus Torvalds tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)" 8481da177e4SLinus Torvalds depends on SUNRPC && EXPERIMENTAL 8491da177e4SLinus Torvalds select SUNRPC_GSS 8501da177e4SLinus Torvalds select CRYPTO 8511da177e4SLinus Torvalds select CRYPTO_MD5 8521da177e4SLinus Torvalds select CRYPTO_DES 853bcbaecbbSPatrick McHardy select CRYPTO_CBC 8541da177e4SLinus Torvalds help 855327a299dSChuck Lever Choose Y here to enable Secure RPC using the Kerberos version 5 856327a299dSChuck Lever GSS-API mechanism (RFC 1964). 8571da177e4SLinus Torvalds 858327a299dSChuck Lever Secure RPC calls with Kerberos require an auxiliary user-space 859327a299dSChuck Lever daemon which may be found in the Linux nfs-utils package 860327a299dSChuck Lever available from http://linux-nfs.org/. In addition, user-space 861327a299dSChuck Lever Kerberos support should be installed. 8621da177e4SLinus Torvalds 8631da177e4SLinus Torvalds If unsure, say N. 8641da177e4SLinus Torvalds 8651da177e4SLinus Torvaldsconfig RPCSEC_GSS_SPKM3 8661da177e4SLinus Torvalds tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)" 8671da177e4SLinus Torvalds depends on SUNRPC && EXPERIMENTAL 8681da177e4SLinus Torvalds select SUNRPC_GSS 8691da177e4SLinus Torvalds select CRYPTO 8701da177e4SLinus Torvalds select CRYPTO_MD5 8711da177e4SLinus Torvalds select CRYPTO_DES 872df6db302SJ. Bruce Fields select CRYPTO_CAST5 873bcbaecbbSPatrick McHardy select CRYPTO_CBC 8741da177e4SLinus Torvalds help 875327a299dSChuck Lever Choose Y here to enable Secure RPC using the SPKM3 public key 876327a299dSChuck Lever GSS-API mechansim (RFC 2025). 8771da177e4SLinus Torvalds 878327a299dSChuck Lever Secure RPC calls with SPKM3 require an auxiliary userspace 879327a299dSChuck Lever daemon which may be found in the Linux nfs-utils package 880327a299dSChuck Lever available from http://linux-nfs.org/. 8811da177e4SLinus Torvalds 8821da177e4SLinus Torvalds If unsure, say N. 8831da177e4SLinus Torvalds 8841da177e4SLinus Torvaldsconfig SMB_FS 885c7736339SAndrew Morton tristate "SMB file system support (OBSOLETE, please use CIFS)" 8861da177e4SLinus Torvalds depends on INET 8871da177e4SLinus Torvalds select NLS 8881da177e4SLinus Torvalds help 8891da177e4SLinus Torvalds SMB (Server Message Block) is the protocol Windows for Workgroups 8901da177e4SLinus Torvalds (WfW), Windows 95/98, Windows NT and OS/2 Lan Manager use to share 8911da177e4SLinus Torvalds files and printers over local networks. Saying Y here allows you to 8921da177e4SLinus Torvalds mount their file systems (often called "shares" in this context) and 8931da177e4SLinus Torvalds access them just like any other Unix directory. Currently, this 8941da177e4SLinus Torvalds works only if the Windows machines use TCP/IP as the underlying 8951da177e4SLinus Torvalds transport protocol, and not NetBEUI. For details, read 8961da177e4SLinus Torvalds <file:Documentation/filesystems/smbfs.txt> and the SMB-HOWTO, 8971da177e4SLinus Torvalds available from <http://www.tldp.org/docs.html#howto>. 8981da177e4SLinus Torvalds 8991da177e4SLinus Torvalds Note: if you just want your box to act as an SMB *server* and make 9001da177e4SLinus Torvalds files and printing services available to Windows clients (which need 9011da177e4SLinus Torvalds to have a TCP/IP stack), you don't need to say Y here; you can use 9021da177e4SLinus Torvalds the program SAMBA (available from <ftp://ftp.samba.org/pub/samba/>) 9031da177e4SLinus Torvalds for that. 9041da177e4SLinus Torvalds 9051da177e4SLinus Torvalds General information about how to connect Linux, Windows machines and 9061da177e4SLinus Torvalds Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. 9071da177e4SLinus Torvalds 908c7736339SAndrew Morton To compile the SMB support as a module, choose M here: 909c7736339SAndrew Morton the module will be called smbfs. Most people say N, however. 9101da177e4SLinus Torvalds 9111da177e4SLinus Torvaldsconfig SMB_NLS_DEFAULT 9121da177e4SLinus Torvalds bool "Use a default NLS" 9131da177e4SLinus Torvalds depends on SMB_FS 9141da177e4SLinus Torvalds help 9151da177e4SLinus Torvalds Enabling this will make smbfs use nls translations by default. You 9161da177e4SLinus Torvalds need to specify the local charset (CONFIG_NLS_DEFAULT) in the nls 9171da177e4SLinus Torvalds settings and you need to give the default nls for the SMB server as 9181da177e4SLinus Torvalds CONFIG_SMB_NLS_REMOTE. 9191da177e4SLinus Torvalds 9201da177e4SLinus Torvalds The nls settings can be changed at mount time, if your smbmount 9211da177e4SLinus Torvalds supports that, using the codepage and iocharset parameters. 9221da177e4SLinus Torvalds 9231da177e4SLinus Torvalds smbmount from samba 2.2.0 or later supports this. 9241da177e4SLinus Torvalds 9251da177e4SLinus Torvaldsconfig SMB_NLS_REMOTE 9261da177e4SLinus Torvalds string "Default Remote NLS Option" 9271da177e4SLinus Torvalds depends on SMB_NLS_DEFAULT 9281da177e4SLinus Torvalds default "cp437" 9291da177e4SLinus Torvalds help 9301da177e4SLinus Torvalds This setting allows you to specify a default value for which 9311da177e4SLinus Torvalds codepage the server uses. If this field is left blank no 9321da177e4SLinus Torvalds translations will be done by default. The local codepage/charset 9331da177e4SLinus Torvalds default to CONFIG_NLS_DEFAULT. 9341da177e4SLinus Torvalds 9351da177e4SLinus Torvalds The nls settings can be changed at mount time, if your smbmount 9361da177e4SLinus Torvalds supports that, using the codepage and iocharset parameters. 9371da177e4SLinus Torvalds 9381da177e4SLinus Torvalds smbmount from samba 2.2.0 or later supports this. 9391da177e4SLinus Torvalds 940bb26b963SAlexey Dobriyansource "fs/cifs/Kconfig" 9416103335dSSteve French 9421da177e4SLinus Torvaldsconfig NCP_FS 9431da177e4SLinus Torvalds tristate "NCP file system support (to mount NetWare volumes)" 9441da177e4SLinus Torvalds depends on IPX!=n || INET 9451da177e4SLinus Torvalds help 9461da177e4SLinus Torvalds NCP (NetWare Core Protocol) is a protocol that runs over IPX and is 9471da177e4SLinus Torvalds used by Novell NetWare clients to talk to file servers. It is to 9481da177e4SLinus Torvalds IPX what NFS is to TCP/IP, if that helps. Saying Y here allows you 9491da177e4SLinus Torvalds to mount NetWare file server volumes and to access them just like 9501da177e4SLinus Torvalds any other Unix directory. For details, please read the file 9511da177e4SLinus Torvalds <file:Documentation/filesystems/ncpfs.txt> in the kernel source and 9521da177e4SLinus Torvalds the IPX-HOWTO from <http://www.tldp.org/docs.html#howto>. 9531da177e4SLinus Torvalds 9541da177e4SLinus Torvalds You do not have to say Y here if you want your Linux box to act as a 9551da177e4SLinus Torvalds file *server* for Novell NetWare clients. 9561da177e4SLinus Torvalds 9571da177e4SLinus Torvalds General information about how to connect Linux, Windows machines and 9581da177e4SLinus Torvalds Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. 9591da177e4SLinus Torvalds 9601da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 9611da177e4SLinus Torvalds ncpfs. Say N unless you are connected to a Novell network. 9621da177e4SLinus Torvalds 9631da177e4SLinus Torvaldssource "fs/ncpfs/Kconfig" 9641da177e4SLinus Torvalds 9651da177e4SLinus Torvaldsconfig CODA_FS 9661da177e4SLinus Torvalds tristate "Coda file system support (advanced network fs)" 9671da177e4SLinus Torvalds depends on INET 9681da177e4SLinus Torvalds help 9691da177e4SLinus Torvalds Coda is an advanced network file system, similar to NFS in that it 9701da177e4SLinus Torvalds enables you to mount file systems of a remote server and access them 9711da177e4SLinus Torvalds with regular Unix commands as if they were sitting on your hard 9721da177e4SLinus Torvalds disk. Coda has several advantages over NFS: support for 9731da177e4SLinus Torvalds disconnected operation (e.g. for laptops), read/write server 9741da177e4SLinus Torvalds replication, security model for authentication and encryption, 9751da177e4SLinus Torvalds persistent client caches and write back caching. 9761da177e4SLinus Torvalds 9771da177e4SLinus Torvalds If you say Y here, your Linux box will be able to act as a Coda 9781da177e4SLinus Torvalds *client*. You will need user level code as well, both for the 9791da177e4SLinus Torvalds client and server. Servers are currently user level, i.e. they need 9801da177e4SLinus Torvalds no kernel support. Please read 9811da177e4SLinus Torvalds <file:Documentation/filesystems/coda.txt> and check out the Coda 9821da177e4SLinus Torvalds home page <http://www.coda.cs.cmu.edu/>. 9831da177e4SLinus Torvalds 9841da177e4SLinus Torvalds To compile the coda client support as a module, choose M here: the 9851da177e4SLinus Torvalds module will be called coda. 9861da177e4SLinus Torvalds 9871da177e4SLinus Torvaldsconfig AFS_FS 98864aaa4f8SDavid Howells tristate "Andrew File System support (AFS) (EXPERIMENTAL)" 9891da177e4SLinus Torvalds depends on INET && EXPERIMENTAL 99008e0e7c8SDavid Howells select AF_RXRPC 9911da177e4SLinus Torvalds help 9921da177e4SLinus Torvalds If you say Y here, you will get an experimental Andrew File System 9931da177e4SLinus Torvalds driver. It currently only supports unsecured read-only AFS access. 9941da177e4SLinus Torvalds 995cc2e2767SMatt LaPlante See <file:Documentation/filesystems/afs.txt> for more information. 9961da177e4SLinus Torvalds 9971da177e4SLinus Torvalds If unsure, say N. 9981da177e4SLinus Torvalds 99908e0e7c8SDavid Howellsconfig AFS_DEBUG 100008e0e7c8SDavid Howells bool "AFS dynamic debugging" 100108e0e7c8SDavid Howells depends on AFS_FS 100208e0e7c8SDavid Howells help 100308e0e7c8SDavid Howells Say Y here to make runtime controllable debugging messages appear. 100408e0e7c8SDavid Howells 100508e0e7c8SDavid Howells See <file:Documentation/filesystems/afs.txt> for more information. 100608e0e7c8SDavid Howells 100708e0e7c8SDavid Howells If unsure, say N. 100808e0e7c8SDavid Howells 100993fa58cbSEric Van Hensbergenconfig 9P_FS 101093fa58cbSEric Van Hensbergen tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)" 1011bd238fb4SLatchesar Ionkov depends on INET && NET_9P && EXPERIMENTAL 101293fa58cbSEric Van Hensbergen help 101393fa58cbSEric Van Hensbergen If you say Y here, you will get experimental support for 101493fa58cbSEric Van Hensbergen Plan 9 resource sharing via the 9P2000 protocol. 101593fa58cbSEric Van Hensbergen 101693fa58cbSEric Van Hensbergen See <http://v9fs.sf.net> for more information. 101793fa58cbSEric Van Hensbergen 101893fa58cbSEric Van Hensbergen If unsure, say N. 101993fa58cbSEric Van Hensbergen 1020ea0985adSJan Engelhardtendif # NETWORK_FILESYSTEMS 10211da177e4SLinus Torvalds 10229361401eSDavid Howellsif BLOCK 10231da177e4SLinus Torvaldsmenu "Partition Types" 10241da177e4SLinus Torvalds 10251da177e4SLinus Torvaldssource "fs/partitions/Kconfig" 10261da177e4SLinus Torvalds 10271da177e4SLinus Torvaldsendmenu 10289361401eSDavid Howellsendif 10291da177e4SLinus Torvalds 10301da177e4SLinus Torvaldssource "fs/nls/Kconfig" 1031e7fd4179SDavid Teiglandsource "fs/dlm/Kconfig" 10321da177e4SLinus Torvalds 10331da177e4SLinus Torvaldsendmenu 1034