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" 144*5f3a211aSAlexey 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 1857063fbf2SJoel Beckerconfig CONFIGFS_FS 18602ac0499SJoel Becker tristate "Userspace-driven configuration filesystem" 18702ac0499SJoel Becker depends on SYSFS 1887063fbf2SJoel Becker help 1897063fbf2SJoel Becker configfs is a ram-based filesystem that provides the converse 1907063fbf2SJoel Becker of sysfs's functionality. Where sysfs is a filesystem-based 1917063fbf2SJoel Becker view of kernel objects, configfs is a filesystem-based manager 1927063fbf2SJoel Becker of kernel objects, or config_items. 1937063fbf2SJoel Becker 1947063fbf2SJoel Becker Both sysfs and configfs can and should exist together on the 1957063fbf2SJoel Becker same system. One is not a replacement for the other. 1967063fbf2SJoel Becker 1971da177e4SLinus Torvaldsendmenu 1981da177e4SLinus Torvalds 19967ec7d3aSRandy Dunlapmenuconfig MISC_FILESYSTEMS 20067ec7d3aSRandy Dunlap bool "Miscellaneous filesystems" 20167ec7d3aSRandy Dunlap default y 20267ec7d3aSRandy Dunlap ---help--- 20367ec7d3aSRandy Dunlap Say Y here to get to see options for various miscellaneous 20467ec7d3aSRandy Dunlap filesystems, such as filesystems that came from other 20567ec7d3aSRandy Dunlap operating systems. 20667ec7d3aSRandy Dunlap 20767ec7d3aSRandy Dunlap This option alone does not add any kernel code. 20867ec7d3aSRandy Dunlap 20967ec7d3aSRandy Dunlap If you say N, all options in this submenu will be skipped and 21067ec7d3aSRandy Dunlap disabled; if unsure, say Y here. 21167ec7d3aSRandy Dunlap 21267ec7d3aSRandy Dunlapif MISC_FILESYSTEMS 2131da177e4SLinus Torvalds 2141da177e4SLinus Torvaldsconfig ADFS_FS 2151da177e4SLinus Torvalds tristate "ADFS file system support (EXPERIMENTAL)" 2169361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 2171da177e4SLinus Torvalds help 2181da177e4SLinus Torvalds The Acorn Disc Filing System is the standard file system of the 2191da177e4SLinus Torvalds RiscOS operating system which runs on Acorn's ARM-based Risc PC 2201da177e4SLinus Torvalds systems and the Acorn Archimedes range of machines. If you say Y 2211da177e4SLinus Torvalds here, Linux will be able to read from ADFS partitions on hard drives 2221da177e4SLinus Torvalds and from ADFS-formatted floppy discs. If you also want to be able to 2231da177e4SLinus Torvalds write to those devices, say Y to "ADFS write support" below. 2241da177e4SLinus Torvalds 2251da177e4SLinus Torvalds The ADFS partition should be the first partition (i.e., 2261da177e4SLinus Torvalds /dev/[hs]d?1) on each of your drives. Please read the file 2271da177e4SLinus Torvalds <file:Documentation/filesystems/adfs.txt> for further details. 2281da177e4SLinus Torvalds 2291da177e4SLinus Torvalds To compile this code as a module, choose M here: the module will be 2301da177e4SLinus Torvalds called adfs. 2311da177e4SLinus Torvalds 2321da177e4SLinus Torvalds If unsure, say N. 2331da177e4SLinus Torvalds 2341da177e4SLinus Torvaldsconfig ADFS_FS_RW 2351da177e4SLinus Torvalds bool "ADFS write support (DANGEROUS)" 2361da177e4SLinus Torvalds depends on ADFS_FS 2371da177e4SLinus Torvalds help 2381da177e4SLinus Torvalds If you say Y here, you will be able to write to ADFS partitions on 2391da177e4SLinus Torvalds hard drives and ADFS-formatted floppy disks. This is experimental 2401da177e4SLinus Torvalds codes, so if you're unsure, say N. 2411da177e4SLinus Torvalds 2421da177e4SLinus Torvaldsconfig AFFS_FS 2431da177e4SLinus Torvalds tristate "Amiga FFS file system support (EXPERIMENTAL)" 2449361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 2451da177e4SLinus Torvalds help 2461da177e4SLinus Torvalds The Fast File System (FFS) is the common file system used on hard 2471da177e4SLinus Torvalds disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20). Say Y 2481da177e4SLinus Torvalds if you want to be able to read and write files from and to an Amiga 2491da177e4SLinus Torvalds FFS partition on your hard drive. Amiga floppies however cannot be 2501da177e4SLinus Torvalds read with this driver due to an incompatibility of the floppy 2511da177e4SLinus Torvalds controller used in an Amiga and the standard floppy controller in 2521da177e4SLinus Torvalds PCs and workstations. Read <file:Documentation/filesystems/affs.txt> 2531da177e4SLinus Torvalds and <file:fs/affs/Changes>. 2541da177e4SLinus Torvalds 2551da177e4SLinus Torvalds With this driver you can also mount disk files used by Bernd 2561da177e4SLinus Torvalds Schmidt's Un*X Amiga Emulator 2571da177e4SLinus Torvalds (<http://www.freiburg.linux.de/~uae/>). 2581da177e4SLinus Torvalds If you want to do this, you will also need to say Y or M to "Loop 2591da177e4SLinus Torvalds device support", above. 2601da177e4SLinus Torvalds 2611da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 2621da177e4SLinus Torvalds module will be called affs. If unsure, say N. 2631da177e4SLinus Torvalds 264237fead6SMichael Halcrowconfig ECRYPT_FS 265237fead6SMichael Halcrow tristate "eCrypt filesystem layer support (EXPERIMENTAL)" 26688b4a07eSMichael Halcrow depends on EXPERIMENTAL && KEYS && CRYPTO && NET 267237fead6SMichael Halcrow help 268237fead6SMichael Halcrow Encrypted filesystem that operates on the VFS layer. See 269e403149cSDirk Hohndel <file:Documentation/filesystems/ecryptfs.txt> to learn more about 270237fead6SMichael Halcrow eCryptfs. Userspace components are required and can be 271237fead6SMichael Halcrow obtained from <http://ecryptfs.sf.net>. 272237fead6SMichael Halcrow 273237fead6SMichael Halcrow To compile this file system support as a module, choose M here: the 274237fead6SMichael Halcrow module will be called ecryptfs. 275237fead6SMichael Halcrow 2761da177e4SLinus Torvaldsconfig HFS_FS 2771da177e4SLinus Torvalds tristate "Apple Macintosh file system support (EXPERIMENTAL)" 2789361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 279878129a3SLennert Buytenhek select NLS 2801da177e4SLinus Torvalds help 2811da177e4SLinus Torvalds If you say Y here, you will be able to mount Macintosh-formatted 2821da177e4SLinus Torvalds floppy disks and hard drive partitions with full read-write access. 283889c94a1SJohann Felix Soden Please read <file:Documentation/filesystems/hfs.txt> to learn about 284889c94a1SJohann Felix Soden the available mount options. 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 2871da177e4SLinus Torvalds module will be called hfs. 2881da177e4SLinus Torvalds 2891da177e4SLinus Torvaldsconfig HFSPLUS_FS 2901da177e4SLinus Torvalds tristate "Apple Extended HFS file system support" 2919361401eSDavid Howells depends on BLOCK 2921da177e4SLinus Torvalds select NLS 2931da177e4SLinus Torvalds select NLS_UTF8 2941da177e4SLinus Torvalds help 2951da177e4SLinus Torvalds If you say Y here, you will be able to mount extended format 2961da177e4SLinus Torvalds Macintosh-formatted hard drive partitions with full read-write access. 2971da177e4SLinus Torvalds 2981da177e4SLinus Torvalds This file system is often called HFS+ and was introduced with 2991da177e4SLinus Torvalds MacOS 8. It includes all Mac specific filesystem data such as 3001da177e4SLinus Torvalds data forks and creator codes, but it also has several UNIX 3011da177e4SLinus Torvalds style features such as file ownership and permissions. 3021da177e4SLinus Torvalds 3031da177e4SLinus Torvaldsconfig BEFS_FS 3041da177e4SLinus Torvalds tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)" 3059361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 3061da177e4SLinus Torvalds select NLS 3071da177e4SLinus Torvalds help 3081da177e4SLinus Torvalds The BeOS File System (BeFS) is the native file system of Be, Inc's 3091da177e4SLinus Torvalds BeOS. Notable features include support for arbitrary attributes 3103cb2fcccSMatt LaPlante on files and directories, and database-like indices on selected 3111da177e4SLinus Torvalds attributes. (Also note that this driver doesn't make those features 3121da177e4SLinus Torvalds available at this time). It is a 64 bit filesystem, so it supports 31344c09201SMatt LaPlante extremely large volumes and files. 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds If you use this filesystem, you should also say Y to at least one 3161da177e4SLinus Torvalds of the NLS (native language support) options below. 3171da177e4SLinus Torvalds 3181da177e4SLinus Torvalds If you don't know what this is about, say N. 3191da177e4SLinus Torvalds 3201da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be 3211da177e4SLinus Torvalds called befs. 3221da177e4SLinus Torvalds 3231da177e4SLinus Torvaldsconfig BEFS_DEBUG 3241da177e4SLinus Torvalds bool "Debug BeFS" 3251da177e4SLinus Torvalds depends on BEFS_FS 3261da177e4SLinus Torvalds help 3271da177e4SLinus Torvalds If you say Y here, you can use the 'debug' mount option to enable 3281da177e4SLinus Torvalds debugging output from the driver. 3291da177e4SLinus Torvalds 3301da177e4SLinus Torvaldsconfig BFS_FS 3311da177e4SLinus Torvalds tristate "BFS file system support (EXPERIMENTAL)" 3329361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 3331da177e4SLinus Torvalds help 3341da177e4SLinus Torvalds Boot File System (BFS) is a file system used under SCO UnixWare to 3351da177e4SLinus Torvalds allow the bootloader access to the kernel image and other important 3361da177e4SLinus Torvalds files during the boot process. It is usually mounted under /stand 3371da177e4SLinus Torvalds and corresponds to the slice marked as "STAND" in the UnixWare 3381da177e4SLinus Torvalds partition. You should say Y if you want to read or write the files 3391da177e4SLinus Torvalds on your /stand slice from within Linux. You then also need to say Y 3401da177e4SLinus Torvalds to "UnixWare slices support", below. More information about the BFS 3411da177e4SLinus Torvalds file system is contained in the file 3421da177e4SLinus Torvalds <file:Documentation/filesystems/bfs.txt>. 3431da177e4SLinus Torvalds 3441da177e4SLinus Torvalds If you don't know what this is about, say N. 3451da177e4SLinus Torvalds 3461da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 3471da177e4SLinus Torvalds bfs. Note that the file system of your root partition (the one 3481da177e4SLinus Torvalds containing the directory /) cannot be compiled as a module. 3491da177e4SLinus Torvalds 3501da177e4SLinus Torvalds 3511da177e4SLinus Torvalds 3521da177e4SLinus Torvaldsconfig EFS_FS 3531da177e4SLinus Torvalds tristate "EFS file system support (read only) (EXPERIMENTAL)" 3549361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 3551da177e4SLinus Torvalds help 3561da177e4SLinus Torvalds EFS is an older file system used for non-ISO9660 CD-ROMs and hard 3571da177e4SLinus Torvalds disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer 3581da177e4SLinus Torvalds uses the XFS file system for hard disk partitions however). 3591da177e4SLinus Torvalds 3601da177e4SLinus Torvalds This implementation only offers read-only access. If you don't know 3611da177e4SLinus Torvalds what all this is about, it's safe to say N. For more information 3621da177e4SLinus Torvalds about EFS see its home page at <http://aeschi.ch.eu.org/efs/>. 3631da177e4SLinus Torvalds 3641da177e4SLinus Torvalds To compile the EFS file system support as a module, choose M here: the 3651da177e4SLinus Torvalds module will be called efs. 3661da177e4SLinus Torvalds 36731db6e9eSAlexey Dobriyansource "fs/jffs2/Kconfig" 3680d7eff87SArtem Bityutskiy# UBIFS File system configuration 3690d7eff87SArtem Bityutskiysource "fs/ubifs/Kconfig" 3700d7eff87SArtem Bityutskiy 3711da177e4SLinus Torvaldsconfig CRAMFS 3721da177e4SLinus Torvalds tristate "Compressed ROM file system support (cramfs)" 3739361401eSDavid Howells depends on BLOCK 3741da177e4SLinus Torvalds select ZLIB_INFLATE 3751da177e4SLinus Torvalds help 3761da177e4SLinus Torvalds Saying Y here includes support for CramFs (Compressed ROM File 3771da177e4SLinus Torvalds System). CramFs is designed to be a simple, small, and compressed 3781da177e4SLinus Torvalds file system for ROM based embedded systems. CramFs is read-only, 3791da177e4SLinus Torvalds limited to 256MB file systems (with 16MB files), and doesn't support 3801da177e4SLinus Torvalds 16/32 bits uid/gid, hard links and timestamps. 3811da177e4SLinus Torvalds 3821da177e4SLinus Torvalds See <file:Documentation/filesystems/cramfs.txt> and 3831da177e4SLinus Torvalds <file:fs/cramfs/README> for further information. 3841da177e4SLinus Torvalds 3851da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 3861da177e4SLinus Torvalds cramfs. Note that the root file system (the one containing the 3871da177e4SLinus Torvalds directory /) cannot be compiled as a module. 3881da177e4SLinus Torvalds 3891da177e4SLinus Torvalds If unsure, say N. 3901da177e4SLinus Torvalds 3916ab5c1caSPhillip Lougherconfig SQUASHFS 3926ab5c1caSPhillip Lougher tristate "SquashFS 4.0 - Squashed file system support" 3936ab5c1caSPhillip Lougher depends on BLOCK 3946ab5c1caSPhillip Lougher select ZLIB_INFLATE 3956ab5c1caSPhillip Lougher help 3966ab5c1caSPhillip Lougher Saying Y here includes support for SquashFS 4.0 (a Compressed 3976ab5c1caSPhillip Lougher Read-Only File System). Squashfs is a highly compressed read-only 3986ab5c1caSPhillip Lougher filesystem for Linux. It uses zlib compression to compress both 3996ab5c1caSPhillip Lougher files, inodes and directories. Inodes in the system are very small 4006ab5c1caSPhillip Lougher and all blocks are packed to minimise data overhead. Block sizes 4016ab5c1caSPhillip Lougher greater than 4K are supported up to a maximum of 1 Mbytes (default 4026ab5c1caSPhillip Lougher block size 128K). SquashFS 4.0 supports 64 bit filesystems and files 4036ab5c1caSPhillip Lougher (larger than 4GB), full uid/gid information, hard links and 4046ab5c1caSPhillip Lougher timestamps. 4056ab5c1caSPhillip Lougher 4066ab5c1caSPhillip Lougher Squashfs is intended for general read-only filesystem use, for 4076ab5c1caSPhillip Lougher archival use (i.e. in cases where a .tar.gz file may be used), and in 4086ab5c1caSPhillip Lougher embedded systems where low overhead is needed. Further information 4096ab5c1caSPhillip Lougher and tools are available from http://squashfs.sourceforge.net. 4106ab5c1caSPhillip Lougher 4116ab5c1caSPhillip Lougher If you want to compile this as a module ( = code which can be 4126ab5c1caSPhillip Lougher inserted in and removed from the running kernel whenever you want), 4136ab5c1caSPhillip Lougher say M here and read <file:Documentation/modules.txt>. The module 4146ab5c1caSPhillip Lougher will be called squashfs. Note that the root file system (the one 4156ab5c1caSPhillip Lougher containing the directory /) cannot be compiled as a module. 4166ab5c1caSPhillip Lougher 4176ab5c1caSPhillip Lougher If unsure, say N. 4186ab5c1caSPhillip Lougher 4196ab5c1caSPhillip Lougherconfig SQUASHFS_EMBEDDED 4206ab5c1caSPhillip Lougher 4216ab5c1caSPhillip Lougher bool "Additional option for memory-constrained systems" 4226ab5c1caSPhillip Lougher depends on SQUASHFS 4236ab5c1caSPhillip Lougher default n 4246ab5c1caSPhillip Lougher help 4256ab5c1caSPhillip Lougher Saying Y here allows you to specify cache size. 4266ab5c1caSPhillip Lougher 4276ab5c1caSPhillip Lougher If unsure, say N. 4286ab5c1caSPhillip Lougher 4296ab5c1caSPhillip Lougherconfig SQUASHFS_FRAGMENT_CACHE_SIZE 4306ab5c1caSPhillip Lougher int "Number of fragments cached" if SQUASHFS_EMBEDDED 4316ab5c1caSPhillip Lougher depends on SQUASHFS 4326ab5c1caSPhillip Lougher default "3" 4336ab5c1caSPhillip Lougher help 4346ab5c1caSPhillip Lougher By default SquashFS caches the last 3 fragments read from 4356ab5c1caSPhillip Lougher the filesystem. Increasing this amount may mean SquashFS 4366ab5c1caSPhillip Lougher has to re-read fragments less often from disk, at the expense 4376ab5c1caSPhillip Lougher of extra system memory. Decreasing this amount will mean 4386ab5c1caSPhillip Lougher SquashFS uses less memory at the expense of extra reads from disk. 4396ab5c1caSPhillip Lougher 4406ab5c1caSPhillip Lougher Note there must be at least one cached fragment. Anything 4416ab5c1caSPhillip Lougher much more than three will probably not make much difference. 4426ab5c1caSPhillip Lougher 4431da177e4SLinus Torvaldsconfig VXFS_FS 4441da177e4SLinus Torvalds tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)" 4459361401eSDavid Howells depends on BLOCK 4461da177e4SLinus Torvalds help 4471da177e4SLinus Torvalds FreeVxFS is a file system driver that support the VERITAS VxFS(TM) 4481da177e4SLinus Torvalds file system format. VERITAS VxFS(TM) is the standard file system 4491da177e4SLinus Torvalds of SCO UnixWare (and possibly others) and optionally available 4501da177e4SLinus Torvalds for Sunsoft Solaris, HP-UX and many other operating systems. 4511da177e4SLinus Torvalds Currently only readonly access is supported. 4521da177e4SLinus Torvalds 4531da177e4SLinus Torvalds NOTE: the file system type as used by mount(1), mount(2) and 4541da177e4SLinus Torvalds fstab(5) is 'vxfs' as it describes the file system format, not 4551da177e4SLinus Torvalds the actual driver. 4561da177e4SLinus Torvalds 4571da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be 4581da177e4SLinus Torvalds called freevxfs. If unsure, say N. 4591da177e4SLinus Torvalds 46025fad945SRandy Dunlapconfig MINIX_FS 46125fad945SRandy Dunlap tristate "Minix file system support" 46225fad945SRandy Dunlap depends on BLOCK 46325fad945SRandy Dunlap help 46425fad945SRandy Dunlap Minix is a simple operating system used in many classes about OS's. 46525fad945SRandy Dunlap The minix file system (method to organize files on a hard disk 46625fad945SRandy Dunlap partition or a floppy disk) was the original file system for Linux, 46725fad945SRandy Dunlap but has been superseded by the second extended file system ext2fs. 46825fad945SRandy Dunlap You don't want to use the minix file system on your hard disk 46925fad945SRandy Dunlap because of certain built-in restrictions, but it is sometimes found 47025fad945SRandy Dunlap on older Linux floppy disks. This option will enlarge your kernel 47125fad945SRandy Dunlap by about 28 KB. If unsure, say N. 47225fad945SRandy Dunlap 47325fad945SRandy Dunlap To compile this file system support as a module, choose M here: the 47425fad945SRandy Dunlap module will be called minix. Note that the file system of your root 47525fad945SRandy Dunlap partition (the one containing the directory /) cannot be compiled as 47625fad945SRandy Dunlap a module. 47725fad945SRandy Dunlap 47863ca8ce2SBob Copelandconfig OMFS_FS 47963ca8ce2SBob Copeland tristate "SonicBlue Optimized MPEG File System support" 48063ca8ce2SBob Copeland depends on BLOCK 48163ca8ce2SBob Copeland select CRC_ITU_T 48263ca8ce2SBob Copeland help 48363ca8ce2SBob Copeland This is the proprietary file system used by the Rio Karma music 48463ca8ce2SBob Copeland player and ReplayTV DVR. Despite the name, this filesystem is not 48563ca8ce2SBob Copeland more efficient than a standard FS for MPEG files, in fact likely 48663ca8ce2SBob Copeland the opposite is true. Say Y if you have either of these devices 48763ca8ce2SBob Copeland and wish to mount its disk. 48863ca8ce2SBob Copeland 48963ca8ce2SBob Copeland To compile this file system support as a module, choose M here: the 49063ca8ce2SBob Copeland module will be called omfs. If unsure, say N. 4911da177e4SLinus Torvalds 4921da177e4SLinus Torvaldsconfig HPFS_FS 4931da177e4SLinus Torvalds tristate "OS/2 HPFS file system support" 4949361401eSDavid Howells depends on BLOCK 4951da177e4SLinus Torvalds help 4961da177e4SLinus Torvalds OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS 4971da177e4SLinus Torvalds is the file system used for organizing files on OS/2 hard disk 4981da177e4SLinus Torvalds partitions. Say Y if you want to be able to read files from and 4991da177e4SLinus Torvalds write files to an OS/2 HPFS partition on your hard drive. OS/2 5001da177e4SLinus Torvalds floppies however are in regular MSDOS format, so you don't need this 5011da177e4SLinus Torvalds option in order to be able to read them. Read 5021da177e4SLinus Torvalds <file:Documentation/filesystems/hpfs.txt>. 5031da177e4SLinus Torvalds 5041da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 5051da177e4SLinus Torvalds module will be called hpfs. If unsure, say N. 5061da177e4SLinus Torvalds 5071da177e4SLinus Torvalds 5081da177e4SLinus Torvaldsconfig QNX4FS_FS 5091da177e4SLinus Torvalds tristate "QNX4 file system support (read only)" 5109361401eSDavid Howells depends on BLOCK 5111da177e4SLinus Torvalds help 5121da177e4SLinus Torvalds This is the file system used by the real-time operating systems 5131da177e4SLinus Torvalds QNX 4 and QNX 6 (the latter is also called QNX RTP). 5141da177e4SLinus Torvalds Further information is available at <http://www.qnx.com/>. 5151da177e4SLinus Torvalds Say Y if you intend to mount QNX hard disks or floppies. 5161da177e4SLinus Torvalds Unless you say Y to "QNX4FS read-write support" below, you will 5171da177e4SLinus Torvalds only be able to read these file systems. 5181da177e4SLinus Torvalds 5191da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 5201da177e4SLinus Torvalds module will be called qnx4. 5211da177e4SLinus Torvalds 5221da177e4SLinus Torvalds If you don't know whether you need it, then you don't need it: 5231da177e4SLinus Torvalds answer N. 5241da177e4SLinus Torvalds 5251da177e4SLinus Torvaldsconfig QNX4FS_RW 5261da177e4SLinus Torvalds bool "QNX4FS write support (DANGEROUS)" 5271da177e4SLinus Torvalds depends on QNX4FS_FS && EXPERIMENTAL && BROKEN 5281da177e4SLinus Torvalds help 5291da177e4SLinus Torvalds Say Y if you want to test write support for QNX4 file systems. 5301da177e4SLinus Torvalds 5311da177e4SLinus Torvalds It's currently broken, so for now: 5321da177e4SLinus Torvalds answer N. 5331da177e4SLinus Torvalds 53425fad945SRandy Dunlapconfig ROMFS_FS 53525fad945SRandy Dunlap tristate "ROM file system support" 53625fad945SRandy Dunlap depends on BLOCK 53725fad945SRandy Dunlap ---help--- 53825fad945SRandy Dunlap This is a very small read-only file system mainly intended for 53925fad945SRandy Dunlap initial ram disks of installation disks, but it could be used for 54025fad945SRandy Dunlap other read-only media as well. Read 54125fad945SRandy Dunlap <file:Documentation/filesystems/romfs.txt> for details. 54225fad945SRandy Dunlap 54325fad945SRandy Dunlap To compile this file system support as a module, choose M here: the 54425fad945SRandy Dunlap module will be called romfs. Note that the file system of your 54525fad945SRandy Dunlap root partition (the one containing the directory /) cannot be a 54625fad945SRandy Dunlap module. 54725fad945SRandy Dunlap 54825fad945SRandy Dunlap If you don't know whether you need it, then you don't need it: 54925fad945SRandy Dunlap answer N. 5501da177e4SLinus Torvalds 5511da177e4SLinus Torvalds 5521da177e4SLinus Torvaldsconfig SYSV_FS 5531da177e4SLinus Torvalds tristate "System V/Xenix/V7/Coherent file system support" 5549361401eSDavid Howells depends on BLOCK 5551da177e4SLinus Torvalds help 5561da177e4SLinus Torvalds SCO, Xenix and Coherent are commercial Unix systems for Intel 5571da177e4SLinus Torvalds machines, and Version 7 was used on the DEC PDP-11. Saying Y 5581da177e4SLinus Torvalds here would allow you to read from their floppies and hard disk 5591da177e4SLinus Torvalds partitions. 5601da177e4SLinus Torvalds 5611da177e4SLinus Torvalds If you have floppies or hard disk partitions like that, it is likely 5621da177e4SLinus Torvalds that they contain binaries from those other Unix systems; in order 563cab00891SMatt LaPlante to run these binaries, you will want to install linux-abi which is 5641da177e4SLinus Torvalds a set of kernel modules that lets you run SCO, Xenix, Wyse, 5651da177e4SLinus Torvalds UnixWare, Dell Unix and System V programs under Linux. It is 5661da177e4SLinus Torvalds available via FTP (user: ftp) from 5671da177e4SLinus Torvalds <ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>). 5681da177e4SLinus Torvalds NOTE: that will work only for binaries from Intel-based systems; 5691da177e4SLinus Torvalds PDP ones will have to wait until somebody ports Linux to -11 ;-) 5701da177e4SLinus Torvalds 5711da177e4SLinus Torvalds If you only intend to mount files from some other Unix over the 5721da177e4SLinus Torvalds network using NFS, you don't need the System V file system support 5731da177e4SLinus Torvalds (but you need NFS file system support obviously). 5741da177e4SLinus Torvalds 5751da177e4SLinus Torvalds Note that this option is generally not needed for floppies, since a 5761da177e4SLinus Torvalds good portable way to transport files and directories between unixes 5771da177e4SLinus Torvalds (and even other operating systems) is given by the tar program ("man 5781da177e4SLinus Torvalds tar" or preferably "info tar"). Note also that this option has 5791da177e4SLinus Torvalds nothing whatsoever to do with the option "System V IPC". Read about 5801da177e4SLinus Torvalds the System V file system in 5811da177e4SLinus Torvalds <file:Documentation/filesystems/sysv-fs.txt>. 5821da177e4SLinus Torvalds Saying Y here will enlarge your kernel by about 27 KB. 5831da177e4SLinus Torvalds 5841da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 5851da177e4SLinus Torvalds sysv. 5861da177e4SLinus Torvalds 5871da177e4SLinus Torvalds If you haven't heard about all of this before, it's safe to say N. 5881da177e4SLinus Torvalds 5891da177e4SLinus Torvalds 5901da177e4SLinus Torvaldsconfig UFS_FS 5911da177e4SLinus Torvalds tristate "UFS file system support (read only)" 5929361401eSDavid Howells depends on BLOCK 5931da177e4SLinus Torvalds help 5941da177e4SLinus Torvalds BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD, 5951da177e4SLinus Torvalds OpenBSD and NeXTstep) use a file system called UFS. Some System V 5961da177e4SLinus Torvalds Unixes can create and mount hard disk partitions and diskettes using 5971da177e4SLinus Torvalds this file system as well. Saying Y here will allow you to read from 5981da177e4SLinus Torvalds these partitions; if you also want to write to them, say Y to the 5991da177e4SLinus Torvalds experimental "UFS file system write support", below. Please read the 6001da177e4SLinus Torvalds file <file:Documentation/filesystems/ufs.txt> for more information. 6011da177e4SLinus Torvalds 6021da177e4SLinus Torvalds The recently released UFS2 variant (used in FreeBSD 5.x) is 6031da177e4SLinus Torvalds READ-ONLY supported. 6041da177e4SLinus Torvalds 6051da177e4SLinus Torvalds Note that this option is generally not needed for floppies, since a 6061da177e4SLinus Torvalds good portable way to transport files and directories between unixes 6071da177e4SLinus Torvalds (and even other operating systems) is given by the tar program ("man 6081da177e4SLinus Torvalds tar" or preferably "info tar"). 6091da177e4SLinus Torvalds 6101da177e4SLinus Torvalds When accessing NeXTstep files, you may need to convert them from the 6111da177e4SLinus Torvalds NeXT character set to the Latin1 character set; use the program 6121da177e4SLinus Torvalds recode ("info recode") for this purpose. 6131da177e4SLinus Torvalds 6141da177e4SLinus Torvalds To compile the UFS file system support as a module, choose M here: the 6151da177e4SLinus Torvalds module will be called ufs. 6161da177e4SLinus Torvalds 6171da177e4SLinus Torvalds If you haven't heard about all of this before, it's safe to say N. 6181da177e4SLinus Torvalds 6191da177e4SLinus Torvaldsconfig UFS_FS_WRITE 6201da177e4SLinus Torvalds bool "UFS file system write support (DANGEROUS)" 6215afb3145SEvgeniy Dushistov depends on UFS_FS && EXPERIMENTAL 6221da177e4SLinus Torvalds help 6231da177e4SLinus Torvalds Say Y here if you want to try writing to UFS partitions. This is 6241da177e4SLinus Torvalds experimental, so you should back up your UFS partitions beforehand. 6251da177e4SLinus Torvalds 626abf5d15fSEvgeniy Dushistovconfig UFS_DEBUG 627abf5d15fSEvgeniy Dushistov bool "UFS debugging" 628abf5d15fSEvgeniy Dushistov depends on UFS_FS 629abf5d15fSEvgeniy Dushistov help 630abf5d15fSEvgeniy Dushistov If you are experiencing any problems with the UFS filesystem, say 631abf5d15fSEvgeniy Dushistov Y here. This will result in _many_ additional debugging messages to be 632abf5d15fSEvgeniy Dushistov written to the system log. 633abf5d15fSEvgeniy Dushistov 63467ec7d3aSRandy Dunlapendif # MISC_FILESYSTEMS 6351da177e4SLinus Torvalds 636ea0985adSJan Engelhardtmenuconfig NETWORK_FILESYSTEMS 637ea0985adSJan Engelhardt bool "Network File Systems" 638ea0985adSJan Engelhardt default y 6391da177e4SLinus Torvalds depends on NET 640ea0985adSJan Engelhardt ---help--- 641ea0985adSJan Engelhardt Say Y here to get to see options for network filesystems and 642ea0985adSJan Engelhardt filesystem-related networking code, such as NFS daemon and 643ea0985adSJan Engelhardt RPCSEC security modules. 6446fb1bc10SChuck Lever 645ea0985adSJan Engelhardt This option alone does not add any kernel code. 646ea0985adSJan Engelhardt 647ea0985adSJan Engelhardt If you say N, all options in this submenu will be skipped and 648ea0985adSJan Engelhardt disabled; if unsure, say Y here. 649ea0985adSJan Engelhardt 650ea0985adSJan Engelhardtif NETWORK_FILESYSTEMS 6511da177e4SLinus Torvalds 6521da177e4SLinus Torvaldsconfig NFS_FS 6536fb1bc10SChuck Lever tristate "NFS client support" 6541da177e4SLinus Torvalds depends on INET 6551da177e4SLinus Torvalds select LOCKD 6561da177e4SLinus Torvalds select SUNRPC 657b7fa0554SAndreas Gruenbacher select NFS_ACL_SUPPORT if NFS_V3_ACL 6581da177e4SLinus Torvalds help 6596fb1bc10SChuck Lever Choose Y here if you want to access files residing on other 6606fb1bc10SChuck Lever computers using Sun's Network File System protocol. To compile 6616fb1bc10SChuck Lever this file system support as a module, choose M here: the module 6626fb1bc10SChuck Lever will be called nfs. 6631da177e4SLinus Torvalds 6646fb1bc10SChuck Lever To mount file systems exported by NFS servers, you also need to 6656fb1bc10SChuck Lever install the user space mount.nfs command which can be found in 6666fb1bc10SChuck Lever the Linux nfs-utils package, available from http://linux-nfs.org/. 6676fb1bc10SChuck Lever Information about using the mount command is available in the 6686fb1bc10SChuck Lever mount(8) man page. More detail about the Linux NFS client 6696fb1bc10SChuck Lever implementation is available via the nfs(5) man page. 6701da177e4SLinus Torvalds 6716fb1bc10SChuck Lever Below you can choose which versions of the NFS protocol are 6726fb1bc10SChuck Lever available in the kernel to mount NFS servers. Support for NFS 6736fb1bc10SChuck Lever version 2 (RFC 1094) is always available when NFS_FS is selected. 6741da177e4SLinus Torvalds 6756fb1bc10SChuck Lever To configure a system which mounts its root file system via NFS 6766fb1bc10SChuck Lever at boot time, say Y here, select "Kernel level IP 6776fb1bc10SChuck Lever autoconfiguration" in the NETWORK menu, and select "Root file 6786fb1bc10SChuck Lever system on NFS" below. You cannot compile this file system as a 6796fb1bc10SChuck Lever module in this case. 6801da177e4SLinus Torvalds 6816fb1bc10SChuck Lever If unsure, say N. 6821da177e4SLinus Torvalds 6831da177e4SLinus Torvaldsconfig NFS_V3 6846fb1bc10SChuck Lever bool "NFS client support for NFS version 3" 6851da177e4SLinus Torvalds depends on NFS_FS 6861da177e4SLinus Torvalds help 6876fb1bc10SChuck Lever This option enables support for version 3 of the NFS protocol 6886fb1bc10SChuck Lever (RFC 1813) in the kernel's NFS client. 6891da177e4SLinus Torvalds 6901da177e4SLinus Torvalds If unsure, say Y. 6911da177e4SLinus Torvalds 692b7fa0554SAndreas Gruenbacherconfig NFS_V3_ACL 6936fb1bc10SChuck Lever bool "NFS client support for the NFSv3 ACL protocol extension" 694b7fa0554SAndreas Gruenbacher depends on NFS_V3 695b7fa0554SAndreas Gruenbacher help 6966fb1bc10SChuck Lever Some NFS servers support an auxiliary NFSv3 ACL protocol that 6976fb1bc10SChuck Lever Sun added to Solaris but never became an official part of the 6986fb1bc10SChuck Lever NFS version 3 protocol. This protocol extension allows 6996fb1bc10SChuck Lever applications on NFS clients to manipulate POSIX Access Control 7006fb1bc10SChuck Lever Lists on files residing on NFS servers. NFS servers enforce 7016fb1bc10SChuck Lever ACLs on local files whether this protocol is available or not. 7026fb1bc10SChuck Lever 7036fb1bc10SChuck Lever Choose Y here if your NFS server supports the Solaris NFSv3 ACL 7046fb1bc10SChuck Lever protocol extension and you want your NFS client to allow 7056fb1bc10SChuck Lever applications to access and modify ACLs on files on the server. 7066fb1bc10SChuck Lever 7076fb1bc10SChuck Lever Most NFS servers don't support the Solaris NFSv3 ACL protocol 7086fb1bc10SChuck Lever extension. You can choose N here or specify the "noacl" mount 7096fb1bc10SChuck Lever option to prevent your NFS client from trying to use the NFSv3 7106fb1bc10SChuck Lever ACL protocol. 711b7fa0554SAndreas Gruenbacher 712b7fa0554SAndreas Gruenbacher If unsure, say N. 713b7fa0554SAndreas Gruenbacher 7141da177e4SLinus Torvaldsconfig NFS_V4 7156fb1bc10SChuck Lever bool "NFS client support for NFS version 4 (EXPERIMENTAL)" 7161da177e4SLinus Torvalds depends on NFS_FS && EXPERIMENTAL 7171da177e4SLinus Torvalds select RPCSEC_GSS_KRB5 7181da177e4SLinus Torvalds help 7196fb1bc10SChuck Lever This option enables support for version 4 of the NFS protocol 7206fb1bc10SChuck Lever (RFC 3530) in the kernel's NFS client. 7211da177e4SLinus Torvalds 7226fb1bc10SChuck Lever To mount NFS servers using NFSv4, you also need to install user 7236fb1bc10SChuck Lever space programs which can be found in the Linux nfs-utils package, 7246fb1bc10SChuck Lever available from http://linux-nfs.org/. 7251da177e4SLinus Torvalds 7261da177e4SLinus Torvalds If unsure, say N. 7271da177e4SLinus Torvalds 7286fb1bc10SChuck Leverconfig ROOT_NFS 7296fb1bc10SChuck Lever bool "Root file system on NFS" 7306fb1bc10SChuck Lever depends on NFS_FS=y && IP_PNP 7316fb1bc10SChuck Lever help 7326fb1bc10SChuck Lever If you want your system to mount its root file system via NFS, 7336fb1bc10SChuck Lever choose Y here. This is common practice for managing systems 7346fb1bc10SChuck Lever without local permanent storage. For details, read 7356fb1bc10SChuck Lever <file:Documentation/filesystems/nfsroot.txt>. 7366fb1bc10SChuck Lever 7376fb1bc10SChuck Lever Most people say N here. 7386fb1bc10SChuck Lever 7391da177e4SLinus Torvaldsconfig NFSD 7401da177e4SLinus Torvalds tristate "NFS server support" 7411da177e4SLinus Torvalds depends on INET 7421da177e4SLinus Torvalds select LOCKD 7431da177e4SLinus Torvalds select SUNRPC 7441da177e4SLinus Torvalds select EXPORTFS 745f05e15b5SHerbert Xu select NFS_ACL_SUPPORT if NFSD_V2_ACL 7461da177e4SLinus Torvalds help 747d24455b5SChuck Lever Choose Y here if you want to allow other computers to access 748d24455b5SChuck Lever files residing on this system using Sun's Network File System 749d24455b5SChuck Lever protocol. To compile the NFS server support as a module, 750d24455b5SChuck Lever choose M here: the module will be called nfsd. 7511da177e4SLinus Torvalds 752d24455b5SChuck Lever You may choose to use a user-space NFS server instead, in which 753d24455b5SChuck Lever case you can choose N here. 7541da177e4SLinus Torvalds 755d24455b5SChuck Lever To export local file systems using NFS, you also need to install 756d24455b5SChuck Lever user space programs which can be found in the Linux nfs-utils 757d24455b5SChuck Lever package, available from http://linux-nfs.org/. More detail about 758d24455b5SChuck Lever the Linux NFS server implementation is available via the 759d24455b5SChuck Lever exports(5) man page. 7601da177e4SLinus Torvalds 761d24455b5SChuck Lever Below you can choose which versions of the NFS protocol are 762d24455b5SChuck Lever available to clients mounting the NFS server on this system. 763d24455b5SChuck Lever Support for NFS version 2 (RFC 1094) is always available when 764d24455b5SChuck Lever CONFIG_NFSD is selected. 7651da177e4SLinus Torvalds 766d24455b5SChuck Lever If unsure, say N. 7671da177e4SLinus Torvalds 768a257cdd0SAndreas Gruenbacherconfig NFSD_V2_ACL 769a257cdd0SAndreas Gruenbacher bool 770a257cdd0SAndreas Gruenbacher depends on NFSD 771a257cdd0SAndreas Gruenbacher 7721da177e4SLinus Torvaldsconfig NFSD_V3 773d24455b5SChuck Lever bool "NFS server support for NFS version 3" 7741da177e4SLinus Torvalds depends on NFSD 7751da177e4SLinus Torvalds help 776d24455b5SChuck Lever This option enables support in your system's NFS server for 777d24455b5SChuck Lever version 3 of the NFS protocol (RFC 1813). 778d24455b5SChuck Lever 779d24455b5SChuck Lever If unsure, say Y. 7801da177e4SLinus Torvalds 781a257cdd0SAndreas Gruenbacherconfig NFSD_V3_ACL 782d24455b5SChuck Lever bool "NFS server support for the NFSv3 ACL protocol extension" 783a257cdd0SAndreas Gruenbacher depends on NFSD_V3 78478dd0992SChuck Lever select NFSD_V2_ACL 785a257cdd0SAndreas Gruenbacher help 786d24455b5SChuck Lever Solaris NFS servers support an auxiliary NFSv3 ACL protocol that 787d24455b5SChuck Lever never became an official part of the NFS version 3 protocol. 788d24455b5SChuck Lever This protocol extension allows applications on NFS clients to 789d24455b5SChuck Lever manipulate POSIX Access Control Lists on files residing on NFS 790d24455b5SChuck Lever servers. NFS servers enforce POSIX ACLs on local files whether 791d24455b5SChuck Lever this protocol is available or not. 792d24455b5SChuck Lever 793d24455b5SChuck Lever This option enables support in your system's NFS server for the 794d24455b5SChuck Lever NFSv3 ACL protocol extension allowing NFS clients to manipulate 795d24455b5SChuck Lever POSIX ACLs on files exported by your system's NFS server. NFS 796d24455b5SChuck Lever clients which support the Solaris NFSv3 ACL protocol can then 797d24455b5SChuck Lever access and modify ACLs on your NFS server. 798d24455b5SChuck Lever 799d24455b5SChuck Lever To store ACLs on your NFS server, you also need to enable ACL- 800d24455b5SChuck Lever related CONFIG options for your local file systems of choice. 801d24455b5SChuck Lever 802d24455b5SChuck Lever If unsure, say N. 803a257cdd0SAndreas Gruenbacher 8041da177e4SLinus Torvaldsconfig NFSD_V4 805d24455b5SChuck Lever bool "NFS server support for NFS version 4 (EXPERIMENTAL)" 8061a448fdbSChuck Lever depends on NFSD && PROC_FS && EXPERIMENTAL 8071a448fdbSChuck Lever select NFSD_V3 80889206955SChuck Lever select FS_POSIX_ACL 80942ed95c4SJ. Bruce Fields select RPCSEC_GSS_KRB5 8101da177e4SLinus Torvalds help 811d24455b5SChuck Lever This option enables support in your system's NFS server for 812d24455b5SChuck Lever version 4 of the NFS protocol (RFC 3530). 813d24455b5SChuck Lever 814d24455b5SChuck Lever To export files using NFSv4, you need to install additional user 815d24455b5SChuck Lever space programs which can be found in the Linux nfs-utils package, 816d24455b5SChuck Lever available from http://linux-nfs.org/. 817d24455b5SChuck Lever 8181da177e4SLinus Torvalds If unsure, say N. 8191da177e4SLinus Torvalds 8201da177e4SLinus Torvaldsconfig LOCKD 8211da177e4SLinus Torvalds tristate 8221da177e4SLinus Torvalds 8231da177e4SLinus Torvaldsconfig LOCKD_V4 8241da177e4SLinus Torvalds bool 8251da177e4SLinus Torvalds depends on NFSD_V3 || NFS_V3 8261da177e4SLinus Torvalds default y 8271da177e4SLinus Torvalds 8281da177e4SLinus Torvaldsconfig EXPORTFS 8291da177e4SLinus Torvalds tristate 8301da177e4SLinus Torvalds 831a257cdd0SAndreas Gruenbacherconfig NFS_ACL_SUPPORT 832a257cdd0SAndreas Gruenbacher tristate 833a257cdd0SAndreas Gruenbacher select FS_POSIX_ACL 834a257cdd0SAndreas Gruenbacher 835a257cdd0SAndreas Gruenbacherconfig NFS_COMMON 836a257cdd0SAndreas Gruenbacher bool 837a257cdd0SAndreas Gruenbacher depends on NFSD || NFS_FS 838a257cdd0SAndreas Gruenbacher default y 839a257cdd0SAndreas Gruenbacher 8401da177e4SLinus Torvaldsconfig SUNRPC 8411da177e4SLinus Torvalds tristate 8421da177e4SLinus Torvalds 8431da177e4SLinus Torvaldsconfig SUNRPC_GSS 8441da177e4SLinus Torvalds tristate 8451da177e4SLinus Torvalds 846c3a57ed7S\"Talpey, Thomas\config SUNRPC_XPRT_RDMA 8473211e4ebSJames Lentini tristate 848113632d0S\"Talpey, Thomas\ depends on SUNRPC && INFINIBAND && EXPERIMENTAL 8493211e4ebSJames Lentini default SUNRPC && INFINIBAND 850327a299dSChuck Lever help 851327a299dSChuck Lever This option enables an RPC client transport capability that 852327a299dSChuck Lever allows the NFS client to mount servers via an RDMA-enabled 853327a299dSChuck Lever transport. 854327a299dSChuck Lever 855327a299dSChuck Lever To compile RPC client RDMA transport support as a module, 856327a299dSChuck Lever choose M here: the module will be called xprtrdma. 857327a299dSChuck Lever 858327a299dSChuck Lever If unsure, say N. 859c3a57ed7S\"Talpey, Thomas\ 860a26cfad6SChuck Leverconfig SUNRPC_REGISTER_V4 861a26cfad6SChuck Lever bool "Register local RPC services via rpcbind v4 (EXPERIMENTAL)" 862a26cfad6SChuck Lever depends on SUNRPC && EXPERIMENTAL 863a26cfad6SChuck Lever default n 864a26cfad6SChuck Lever help 865a26cfad6SChuck Lever Sun added support for registering RPC services at an IPv6 866a26cfad6SChuck Lever address by creating two new versions of the rpcbind protocol 867a26cfad6SChuck Lever (RFC 1833). 868a26cfad6SChuck Lever 869a26cfad6SChuck Lever This option enables support in the kernel RPC server for 870a26cfad6SChuck Lever registering kernel RPC services via version 4 of the rpcbind 871a26cfad6SChuck Lever protocol. If you enable this option, you must run a portmapper 872a26cfad6SChuck Lever daemon that supports rpcbind protocol version 4. 873a26cfad6SChuck Lever 874a26cfad6SChuck Lever Serving NFS over IPv6 from knfsd (the kernel's NFS server) 875a26cfad6SChuck Lever requires that you enable this option and use a portmapper that 876a26cfad6SChuck Lever supports rpcbind version 4. 877a26cfad6SChuck Lever 878a26cfad6SChuck Lever If unsure, say N to get traditional behavior (register kernel 879a26cfad6SChuck Lever RPC services using only rpcbind version 2). Distributions 880a26cfad6SChuck Lever using the legacy Linux portmapper daemon must say N here. 881a26cfad6SChuck Lever 8821da177e4SLinus Torvaldsconfig RPCSEC_GSS_KRB5 8831da177e4SLinus Torvalds tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)" 8841da177e4SLinus Torvalds depends on SUNRPC && EXPERIMENTAL 8851da177e4SLinus Torvalds select SUNRPC_GSS 8861da177e4SLinus Torvalds select CRYPTO 8871da177e4SLinus Torvalds select CRYPTO_MD5 8881da177e4SLinus Torvalds select CRYPTO_DES 889bcbaecbbSPatrick McHardy select CRYPTO_CBC 8901da177e4SLinus Torvalds help 891327a299dSChuck Lever Choose Y here to enable Secure RPC using the Kerberos version 5 892327a299dSChuck Lever GSS-API mechanism (RFC 1964). 8931da177e4SLinus Torvalds 894327a299dSChuck Lever Secure RPC calls with Kerberos require an auxiliary user-space 895327a299dSChuck Lever daemon which may be found in the Linux nfs-utils package 896327a299dSChuck Lever available from http://linux-nfs.org/. In addition, user-space 897327a299dSChuck Lever Kerberos support should be installed. 8981da177e4SLinus Torvalds 8991da177e4SLinus Torvalds If unsure, say N. 9001da177e4SLinus Torvalds 9011da177e4SLinus Torvaldsconfig RPCSEC_GSS_SPKM3 9021da177e4SLinus Torvalds tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)" 9031da177e4SLinus Torvalds depends on SUNRPC && EXPERIMENTAL 9041da177e4SLinus Torvalds select SUNRPC_GSS 9051da177e4SLinus Torvalds select CRYPTO 9061da177e4SLinus Torvalds select CRYPTO_MD5 9071da177e4SLinus Torvalds select CRYPTO_DES 908df6db302SJ. Bruce Fields select CRYPTO_CAST5 909bcbaecbbSPatrick McHardy select CRYPTO_CBC 9101da177e4SLinus Torvalds help 911327a299dSChuck Lever Choose Y here to enable Secure RPC using the SPKM3 public key 912327a299dSChuck Lever GSS-API mechansim (RFC 2025). 9131da177e4SLinus Torvalds 914327a299dSChuck Lever Secure RPC calls with SPKM3 require an auxiliary userspace 915327a299dSChuck Lever daemon which may be found in the Linux nfs-utils package 916327a299dSChuck Lever available from http://linux-nfs.org/. 9171da177e4SLinus Torvalds 9181da177e4SLinus Torvalds If unsure, say N. 9191da177e4SLinus Torvalds 9201da177e4SLinus Torvaldsconfig SMB_FS 921c7736339SAndrew Morton tristate "SMB file system support (OBSOLETE, please use CIFS)" 9221da177e4SLinus Torvalds depends on INET 9231da177e4SLinus Torvalds select NLS 9241da177e4SLinus Torvalds help 9251da177e4SLinus Torvalds SMB (Server Message Block) is the protocol Windows for Workgroups 9261da177e4SLinus Torvalds (WfW), Windows 95/98, Windows NT and OS/2 Lan Manager use to share 9271da177e4SLinus Torvalds files and printers over local networks. Saying Y here allows you to 9281da177e4SLinus Torvalds mount their file systems (often called "shares" in this context) and 9291da177e4SLinus Torvalds access them just like any other Unix directory. Currently, this 9301da177e4SLinus Torvalds works only if the Windows machines use TCP/IP as the underlying 9311da177e4SLinus Torvalds transport protocol, and not NetBEUI. For details, read 9321da177e4SLinus Torvalds <file:Documentation/filesystems/smbfs.txt> and the SMB-HOWTO, 9331da177e4SLinus Torvalds available from <http://www.tldp.org/docs.html#howto>. 9341da177e4SLinus Torvalds 9351da177e4SLinus Torvalds Note: if you just want your box to act as an SMB *server* and make 9361da177e4SLinus Torvalds files and printing services available to Windows clients (which need 9371da177e4SLinus Torvalds to have a TCP/IP stack), you don't need to say Y here; you can use 9381da177e4SLinus Torvalds the program SAMBA (available from <ftp://ftp.samba.org/pub/samba/>) 9391da177e4SLinus Torvalds for that. 9401da177e4SLinus Torvalds 9411da177e4SLinus Torvalds General information about how to connect Linux, Windows machines and 9421da177e4SLinus Torvalds Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. 9431da177e4SLinus Torvalds 944c7736339SAndrew Morton To compile the SMB support as a module, choose M here: 945c7736339SAndrew Morton the module will be called smbfs. Most people say N, however. 9461da177e4SLinus Torvalds 9471da177e4SLinus Torvaldsconfig SMB_NLS_DEFAULT 9481da177e4SLinus Torvalds bool "Use a default NLS" 9491da177e4SLinus Torvalds depends on SMB_FS 9501da177e4SLinus Torvalds help 9511da177e4SLinus Torvalds Enabling this will make smbfs use nls translations by default. You 9521da177e4SLinus Torvalds need to specify the local charset (CONFIG_NLS_DEFAULT) in the nls 9531da177e4SLinus Torvalds settings and you need to give the default nls for the SMB server as 9541da177e4SLinus Torvalds CONFIG_SMB_NLS_REMOTE. 9551da177e4SLinus Torvalds 9561da177e4SLinus Torvalds The nls settings can be changed at mount time, if your smbmount 9571da177e4SLinus Torvalds supports that, using the codepage and iocharset parameters. 9581da177e4SLinus Torvalds 9591da177e4SLinus Torvalds smbmount from samba 2.2.0 or later supports this. 9601da177e4SLinus Torvalds 9611da177e4SLinus Torvaldsconfig SMB_NLS_REMOTE 9621da177e4SLinus Torvalds string "Default Remote NLS Option" 9631da177e4SLinus Torvalds depends on SMB_NLS_DEFAULT 9641da177e4SLinus Torvalds default "cp437" 9651da177e4SLinus Torvalds help 9661da177e4SLinus Torvalds This setting allows you to specify a default value for which 9671da177e4SLinus Torvalds codepage the server uses. If this field is left blank no 9681da177e4SLinus Torvalds translations will be done by default. The local codepage/charset 9691da177e4SLinus Torvalds default to CONFIG_NLS_DEFAULT. 9701da177e4SLinus Torvalds 9711da177e4SLinus Torvalds The nls settings can be changed at mount time, if your smbmount 9721da177e4SLinus Torvalds supports that, using the codepage and iocharset parameters. 9731da177e4SLinus Torvalds 9741da177e4SLinus Torvalds smbmount from samba 2.2.0 or later supports this. 9751da177e4SLinus Torvalds 976bb26b963SAlexey Dobriyansource "fs/cifs/Kconfig" 9776103335dSSteve French 9781da177e4SLinus Torvaldsconfig NCP_FS 9791da177e4SLinus Torvalds tristate "NCP file system support (to mount NetWare volumes)" 9801da177e4SLinus Torvalds depends on IPX!=n || INET 9811da177e4SLinus Torvalds help 9821da177e4SLinus Torvalds NCP (NetWare Core Protocol) is a protocol that runs over IPX and is 9831da177e4SLinus Torvalds used by Novell NetWare clients to talk to file servers. It is to 9841da177e4SLinus Torvalds IPX what NFS is to TCP/IP, if that helps. Saying Y here allows you 9851da177e4SLinus Torvalds to mount NetWare file server volumes and to access them just like 9861da177e4SLinus Torvalds any other Unix directory. For details, please read the file 9871da177e4SLinus Torvalds <file:Documentation/filesystems/ncpfs.txt> in the kernel source and 9881da177e4SLinus Torvalds the IPX-HOWTO from <http://www.tldp.org/docs.html#howto>. 9891da177e4SLinus Torvalds 9901da177e4SLinus Torvalds You do not have to say Y here if you want your Linux box to act as a 9911da177e4SLinus Torvalds file *server* for Novell NetWare clients. 9921da177e4SLinus Torvalds 9931da177e4SLinus Torvalds General information about how to connect Linux, Windows machines and 9941da177e4SLinus Torvalds Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. 9951da177e4SLinus Torvalds 9961da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 9971da177e4SLinus Torvalds ncpfs. Say N unless you are connected to a Novell network. 9981da177e4SLinus Torvalds 9991da177e4SLinus Torvaldssource "fs/ncpfs/Kconfig" 10001da177e4SLinus Torvalds 10011da177e4SLinus Torvaldsconfig CODA_FS 10021da177e4SLinus Torvalds tristate "Coda file system support (advanced network fs)" 10031da177e4SLinus Torvalds depends on INET 10041da177e4SLinus Torvalds help 10051da177e4SLinus Torvalds Coda is an advanced network file system, similar to NFS in that it 10061da177e4SLinus Torvalds enables you to mount file systems of a remote server and access them 10071da177e4SLinus Torvalds with regular Unix commands as if they were sitting on your hard 10081da177e4SLinus Torvalds disk. Coda has several advantages over NFS: support for 10091da177e4SLinus Torvalds disconnected operation (e.g. for laptops), read/write server 10101da177e4SLinus Torvalds replication, security model for authentication and encryption, 10111da177e4SLinus Torvalds persistent client caches and write back caching. 10121da177e4SLinus Torvalds 10131da177e4SLinus Torvalds If you say Y here, your Linux box will be able to act as a Coda 10141da177e4SLinus Torvalds *client*. You will need user level code as well, both for the 10151da177e4SLinus Torvalds client and server. Servers are currently user level, i.e. they need 10161da177e4SLinus Torvalds no kernel support. Please read 10171da177e4SLinus Torvalds <file:Documentation/filesystems/coda.txt> and check out the Coda 10181da177e4SLinus Torvalds home page <http://www.coda.cs.cmu.edu/>. 10191da177e4SLinus Torvalds 10201da177e4SLinus Torvalds To compile the coda client support as a module, choose M here: the 10211da177e4SLinus Torvalds module will be called coda. 10221da177e4SLinus Torvalds 10231da177e4SLinus Torvaldsconfig AFS_FS 102464aaa4f8SDavid Howells tristate "Andrew File System support (AFS) (EXPERIMENTAL)" 10251da177e4SLinus Torvalds depends on INET && EXPERIMENTAL 102608e0e7c8SDavid Howells select AF_RXRPC 10271da177e4SLinus Torvalds help 10281da177e4SLinus Torvalds If you say Y here, you will get an experimental Andrew File System 10291da177e4SLinus Torvalds driver. It currently only supports unsecured read-only AFS access. 10301da177e4SLinus Torvalds 1031cc2e2767SMatt LaPlante See <file:Documentation/filesystems/afs.txt> for more information. 10321da177e4SLinus Torvalds 10331da177e4SLinus Torvalds If unsure, say N. 10341da177e4SLinus Torvalds 103508e0e7c8SDavid Howellsconfig AFS_DEBUG 103608e0e7c8SDavid Howells bool "AFS dynamic debugging" 103708e0e7c8SDavid Howells depends on AFS_FS 103808e0e7c8SDavid Howells help 103908e0e7c8SDavid Howells Say Y here to make runtime controllable debugging messages appear. 104008e0e7c8SDavid Howells 104108e0e7c8SDavid Howells See <file:Documentation/filesystems/afs.txt> for more information. 104208e0e7c8SDavid Howells 104308e0e7c8SDavid Howells If unsure, say N. 104408e0e7c8SDavid Howells 104593fa58cbSEric Van Hensbergenconfig 9P_FS 104693fa58cbSEric Van Hensbergen tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)" 1047bd238fb4SLatchesar Ionkov depends on INET && NET_9P && EXPERIMENTAL 104893fa58cbSEric Van Hensbergen help 104993fa58cbSEric Van Hensbergen If you say Y here, you will get experimental support for 105093fa58cbSEric Van Hensbergen Plan 9 resource sharing via the 9P2000 protocol. 105193fa58cbSEric Van Hensbergen 105293fa58cbSEric Van Hensbergen See <http://v9fs.sf.net> for more information. 105393fa58cbSEric Van Hensbergen 105493fa58cbSEric Van Hensbergen If unsure, say N. 105593fa58cbSEric Van Hensbergen 1056ea0985adSJan Engelhardtendif # NETWORK_FILESYSTEMS 10571da177e4SLinus Torvalds 10589361401eSDavid Howellsif BLOCK 10591da177e4SLinus Torvaldsmenu "Partition Types" 10601da177e4SLinus Torvalds 10611da177e4SLinus Torvaldssource "fs/partitions/Kconfig" 10621da177e4SLinus Torvalds 10631da177e4SLinus Torvaldsendmenu 10649361401eSDavid Howellsendif 10651da177e4SLinus Torvalds 10661da177e4SLinus Torvaldssource "fs/nls/Kconfig" 1067e7fd4179SDavid Teiglandsource "fs/dlm/Kconfig" 10681da177e4SLinus Torvalds 10691da177e4SLinus Torvaldsendmenu 1070