11da177e4SLinus Torvalds# 21da177e4SLinus Torvalds# File system configuration 31da177e4SLinus Torvalds# 41da177e4SLinus Torvalds 51da177e4SLinus Torvaldsmenu "File systems" 61da177e4SLinus Torvalds 79361401eSDavid Howellsif BLOCK 89361401eSDavid Howells 9*6da0b38fSAlexey Dobriyansource "fs/ext2/Kconfig" 10*6da0b38fSAlexey Dobriyansource "fs/ext3/Kconfig" 11*6da0b38fSAlexey 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 19*6da0b38fSAlexey Dobriyansource "fs/jbd/Kconfig" 20*6da0b38fSAlexey Dobriyansource "fs/jbd2/Kconfig" 21dab291afSMingming Cao 221da177e4SLinus Torvaldsconfig FS_MBCACHE 2302ea2104SMingming Cao# Meta block cache for Extended Attributes (ext2/ext3/ext4) 241da177e4SLinus Torvalds tristate 2503010a33STheodore Ts'o depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR 2603010a33STheodore Ts'o default y if EXT2_FS=y || EXT3_FS=y || EXT4_FS=y 2703010a33STheodore Ts'o default m if EXT2_FS=m || EXT3_FS=m || EXT4_FS=m 281da177e4SLinus Torvalds 291da177e4SLinus Torvaldsconfig REISERFS_FS 301da177e4SLinus Torvalds tristate "Reiserfs support" 311da177e4SLinus Torvalds help 321da177e4SLinus Torvalds Stores not just filenames but the files themselves in a balanced 33cc2e2767SMatt LaPlante tree. Uses journalling. 341da177e4SLinus Torvalds 351da177e4SLinus Torvalds Balanced trees are more efficient than traditional file system 361da177e4SLinus Torvalds architectural foundations. 371da177e4SLinus Torvalds 381da177e4SLinus Torvalds In general, ReiserFS is as fast as ext2, but is very efficient with 391da177e4SLinus Torvalds large directories and small files. Additional patches are needed 401da177e4SLinus Torvalds for NFS and quotas, please see <http://www.namesys.com/> for links. 411da177e4SLinus Torvalds 421da177e4SLinus Torvalds It is more easily extended to have features currently found in 431da177e4SLinus Torvalds database and keyword search systems than block allocation based file 441da177e4SLinus Torvalds systems are. The next version will be so extended, and will support 451da177e4SLinus Torvalds plugins consistent with our motto ``It takes more than a license to 461da177e4SLinus Torvalds make source code open.'' 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds Read <http://www.namesys.com/> to learn more about reiserfs. 491da177e4SLinus Torvalds 501da177e4SLinus Torvalds Sponsored by Threshold Networks, Emusic.com, and Bigstorage.com. 511da177e4SLinus Torvalds 521da177e4SLinus Torvalds If you like it, you can pay us to add new features to it that you 531da177e4SLinus Torvalds need, buy a support contract, or pay us to port it to another OS. 541da177e4SLinus Torvalds 551da177e4SLinus Torvaldsconfig REISERFS_CHECK 561da177e4SLinus Torvalds bool "Enable reiserfs debug mode" 571da177e4SLinus Torvalds depends on REISERFS_FS 581da177e4SLinus Torvalds help 591da177e4SLinus Torvalds If you set this to Y, then ReiserFS will perform every check it can 601da177e4SLinus Torvalds possibly imagine of its internal consistency throughout its 611da177e4SLinus Torvalds operation. It will also go substantially slower. More than once we 621da177e4SLinus Torvalds have forgotten that this was on, and then gone despondent over the 631da177e4SLinus Torvalds latest benchmarks.:-) Use of this option allows our team to go all 641da177e4SLinus Torvalds out in checking for consistency when debugging without fear of its 651da177e4SLinus Torvalds effect on end users. If you are on the verge of sending in a bug 661da177e4SLinus Torvalds report, say Y and you might get a useful error message. Almost 671da177e4SLinus Torvalds everyone should say N. 681da177e4SLinus Torvalds 691da177e4SLinus Torvaldsconfig REISERFS_PROC_INFO 701da177e4SLinus Torvalds bool "Stats in /proc/fs/reiserfs" 71880ebdc5SRandy Dunlap depends on REISERFS_FS && PROC_FS 721da177e4SLinus Torvalds help 731da177e4SLinus Torvalds Create under /proc/fs/reiserfs a hierarchy of files, displaying 741da177e4SLinus Torvalds various ReiserFS statistics and internal data at the expense of 751da177e4SLinus Torvalds making your kernel or module slightly larger (+8 KB). This also 761da177e4SLinus Torvalds increases the amount of kernel memory required for each mount. 771da177e4SLinus Torvalds Almost everyone but ReiserFS developers and people fine-tuning 781da177e4SLinus Torvalds reiserfs or tracing problems should say N. 791da177e4SLinus Torvalds 801da177e4SLinus Torvaldsconfig REISERFS_FS_XATTR 811da177e4SLinus Torvalds bool "ReiserFS extended attributes" 821da177e4SLinus Torvalds depends on REISERFS_FS 831da177e4SLinus Torvalds help 841da177e4SLinus Torvalds Extended attributes are name:value pairs associated with inodes by 851da177e4SLinus Torvalds the kernel or by users (see the attr(5) manual page, or visit 861da177e4SLinus Torvalds <http://acl.bestbits.at/> for details). 871da177e4SLinus Torvalds 881da177e4SLinus Torvalds If unsure, say N. 891da177e4SLinus Torvalds 901da177e4SLinus Torvaldsconfig REISERFS_FS_POSIX_ACL 911da177e4SLinus Torvalds bool "ReiserFS POSIX Access Control Lists" 921da177e4SLinus Torvalds depends on REISERFS_FS_XATTR 93b84c2157SAndreas Gruenbacher select FS_POSIX_ACL 941da177e4SLinus Torvalds help 951da177e4SLinus Torvalds Posix Access Control Lists (ACLs) support permissions for users and 961da177e4SLinus Torvalds groups beyond the owner/group/world scheme. 971da177e4SLinus Torvalds 981da177e4SLinus Torvalds To learn more about Access Control Lists, visit the Posix ACLs for 991da177e4SLinus Torvalds Linux website <http://acl.bestbits.at/>. 1001da177e4SLinus Torvalds 1011da177e4SLinus Torvalds If you don't know what Access Control Lists are, say N 1021da177e4SLinus Torvalds 1031da177e4SLinus Torvaldsconfig REISERFS_FS_SECURITY 1041da177e4SLinus Torvalds bool "ReiserFS Security Labels" 1051da177e4SLinus Torvalds depends on REISERFS_FS_XATTR 1061da177e4SLinus Torvalds help 1071da177e4SLinus Torvalds Security labels support alternative access control models 1081da177e4SLinus Torvalds implemented by security modules like SELinux. This option 1091da177e4SLinus Torvalds enables an extended attribute handler for file security 1101da177e4SLinus Torvalds labels in the ReiserFS filesystem. 1111da177e4SLinus Torvalds 1121da177e4SLinus Torvalds If you are not using a security module that requires using 1131da177e4SLinus Torvalds extended attributes for file security labels, say N. 1141da177e4SLinus Torvalds 1151da177e4SLinus Torvaldsconfig JFS_FS 1161da177e4SLinus Torvalds tristate "JFS filesystem support" 1171da177e4SLinus Torvalds select NLS 1181da177e4SLinus Torvalds help 1191da177e4SLinus Torvalds This is a port of IBM's Journaled Filesystem . More information is 1201da177e4SLinus Torvalds available in the file <file:Documentation/filesystems/jfs.txt>. 1211da177e4SLinus Torvalds 1221da177e4SLinus Torvalds If you do not intend to use the JFS filesystem, say N. 1231da177e4SLinus Torvalds 1241da177e4SLinus Torvaldsconfig JFS_POSIX_ACL 1251da177e4SLinus Torvalds bool "JFS POSIX Access Control Lists" 1261da177e4SLinus Torvalds depends on JFS_FS 127b84c2157SAndreas Gruenbacher select FS_POSIX_ACL 1281da177e4SLinus Torvalds help 1291da177e4SLinus Torvalds Posix Access Control Lists (ACLs) support permissions for users and 1301da177e4SLinus Torvalds groups beyond the owner/group/world scheme. 1311da177e4SLinus Torvalds 1321da177e4SLinus Torvalds To learn more about Access Control Lists, visit the Posix ACLs for 1331da177e4SLinus Torvalds Linux website <http://acl.bestbits.at/>. 1341da177e4SLinus Torvalds 1351da177e4SLinus Torvalds If you don't know what Access Control Lists are, say N 1361da177e4SLinus Torvalds 1371da177e4SLinus Torvaldsconfig JFS_SECURITY 1381da177e4SLinus Torvalds bool "JFS Security Labels" 1391da177e4SLinus Torvalds depends on JFS_FS 1401da177e4SLinus Torvalds help 1411da177e4SLinus Torvalds Security labels support alternative access control models 1421da177e4SLinus Torvalds implemented by security modules like SELinux. This option 1431da177e4SLinus Torvalds enables an extended attribute handler for file security 1441da177e4SLinus Torvalds labels in the jfs filesystem. 1451da177e4SLinus Torvalds 1461da177e4SLinus Torvalds If you are not using a security module that requires using 1471da177e4SLinus Torvalds extended attributes for file security labels, say N. 1481da177e4SLinus Torvalds 1491da177e4SLinus Torvaldsconfig JFS_DEBUG 1501da177e4SLinus Torvalds bool "JFS debugging" 1511da177e4SLinus Torvalds depends on JFS_FS 1521da177e4SLinus Torvalds help 1531da177e4SLinus Torvalds If you are experiencing any problems with the JFS filesystem, say 1541da177e4SLinus Torvalds Y here. This will result in additional debugging messages to be 1551da177e4SLinus Torvalds written to the system log. Under normal circumstances, this 1561da177e4SLinus Torvalds results in very little overhead. 1571da177e4SLinus Torvalds 1581da177e4SLinus Torvaldsconfig JFS_STATISTICS 1591da177e4SLinus Torvalds bool "JFS statistics" 1601da177e4SLinus Torvalds depends on JFS_FS 1611da177e4SLinus Torvalds help 1621da177e4SLinus Torvalds Enabling this option will cause statistics from the JFS file system 1631da177e4SLinus Torvalds to be made available to the user in the /proc/fs/jfs/ directory. 1641da177e4SLinus Torvalds 1651da177e4SLinus Torvaldsconfig FS_POSIX_ACL 16689206955SChuck Lever# Posix ACL utility routines (for now, only ext2/ext3/jfs/reiserfs/nfs4) 1671da177e4SLinus Torvalds# 1681da177e4SLinus Torvalds# NOTE: you can implement Posix ACLs without these helpers (XFS does). 1691da177e4SLinus Torvalds# Never use this symbol for ifdefs. 1701da177e4SLinus Torvalds# 1711da177e4SLinus Torvalds bool 172b84c2157SAndreas Gruenbacher default n 1731da177e4SLinus Torvalds 174bfcd17a6SThomas Petazzoniconfig FILE_LOCKING 175bfcd17a6SThomas Petazzoni bool "Enable POSIX file locking API" if EMBEDDED 176bfcd17a6SThomas Petazzoni default y 177bfcd17a6SThomas Petazzoni help 178bfcd17a6SThomas Petazzoni This option enables standard file locking support, required 179bfcd17a6SThomas Petazzoni for filesystems like NFS and for the flock() system 180bfcd17a6SThomas Petazzoni call. Disabling this option saves about 11k. 181bfcd17a6SThomas Petazzoni 1821da177e4SLinus Torvaldssource "fs/xfs/Kconfig" 183f7825dcfSDavid Teiglandsource "fs/gfs2/Kconfig" 1841da177e4SLinus Torvalds 185b4e40a51SMark Fashehconfig OCFS2_FS 18602ed8416SMark Fasheh tristate "OCFS2 file system support" 18702ed8416SMark Fasheh depends on NET && SYSFS 188b4e40a51SMark Fasheh select CONFIGFS_FS 1892b4e30fbSJoel Becker select JBD2 190b4e40a51SMark Fasheh select CRC32 191b4e40a51SMark Fasheh help 192b4e40a51SMark Fasheh OCFS2 is a general purpose extent based shared disk cluster file 193b4e40a51SMark Fasheh system with many similarities to ext3. It supports 64 bit inode 194b4e40a51SMark Fasheh numbers, and has automatically extending metadata groups which may 195b4e40a51SMark Fasheh also make it attractive for non-clustered use. 196b4e40a51SMark Fasheh 197b4e40a51SMark Fasheh You'll want to install the ocfs2-tools package in order to at least 198b4e40a51SMark Fasheh get "mount.ocfs2". 199b4e40a51SMark Fasheh 200b4e40a51SMark Fasheh Project web page: http://oss.oracle.com/projects/ocfs2 201b4e40a51SMark Fasheh Tools web page: http://oss.oracle.com/projects/ocfs2-tools 202b4e40a51SMark Fasheh OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/ 203b4e40a51SMark Fasheh 2041252c434SMark Fasheh For more information on OCFS2, see the file 2051252c434SMark Fasheh <file:Documentation/filesystems/ocfs2.txt>. 206b4e40a51SMark Fasheh 2079341d229SJoel Beckerconfig OCFS2_FS_O2CB 2089341d229SJoel Becker tristate "O2CB Kernelspace Clustering" 2099341d229SJoel Becker depends on OCFS2_FS 2109341d229SJoel Becker default y 2119341d229SJoel Becker help 2129341d229SJoel Becker OCFS2 includes a simple kernelspace clustering package, the OCFS2 2139341d229SJoel Becker Cluster Base. It only requires a very small userspace component 2149341d229SJoel Becker to configure it. This comes with the standard ocfs2-tools package. 2159341d229SJoel Becker O2CB is limited to maintaining a cluster for OCFS2 file systems. 2169341d229SJoel Becker It cannot manage any other cluster applications. 2179341d229SJoel Becker 2189341d229SJoel Becker It is always safe to say Y here, as the clustering method is 2199341d229SJoel Becker run-time selectable. 2209341d229SJoel Becker 2219341d229SJoel Beckerconfig OCFS2_FS_USERSPACE_CLUSTER 2229341d229SJoel Becker tristate "OCFS2 Userspace Clustering" 2239341d229SJoel Becker depends on OCFS2_FS && DLM 2249341d229SJoel Becker default y 2259341d229SJoel Becker help 2269341d229SJoel Becker This option will allow OCFS2 to use userspace clustering services 2279341d229SJoel Becker in conjunction with the DLM in fs/dlm. If you are using a 2289341d229SJoel Becker userspace cluster manager, say Y here. 2299341d229SJoel Becker 2309341d229SJoel Becker It is safe to say Y, as the clustering method is run-time 2319341d229SJoel Becker selectable. 2329341d229SJoel Becker 233ce7231e9SSunil Mushranconfig OCFS2_FS_STATS 234ce7231e9SSunil Mushran bool "OCFS2 statistics" 235ce7231e9SSunil Mushran depends on OCFS2_FS 236ce7231e9SSunil Mushran default y 237ce7231e9SSunil Mushran help 238ce7231e9SSunil Mushran This option allows some fs statistics to be captured. Enabling 239ce7231e9SSunil Mushran this option may increase the memory consumption. 240ce7231e9SSunil Mushran 2412b388c67SJoel Beckerconfig OCFS2_DEBUG_MASKLOG 2422b388c67SJoel Becker bool "OCFS2 logging support" 2432b388c67SJoel Becker depends on OCFS2_FS 2442b388c67SJoel Becker default y 2452b388c67SJoel Becker help 2462b388c67SJoel Becker The ocfs2 filesystem has an extensive logging system. The system 2472b388c67SJoel Becker allows selection of events to log via files in /sys/o2cb/logmask/. 2482b388c67SJoel Becker This option will enlarge your kernel, but it allows debugging of 2492b388c67SJoel Becker ocfs2 filesystem issues. 2502b388c67SJoel Becker 2515a58c3efSJan Karaconfig OCFS2_DEBUG_FS 2525a58c3efSJan Kara bool "OCFS2 expensive checks" 2535a58c3efSJan Kara depends on OCFS2_FS 2545a58c3efSJan Kara default n 2555a58c3efSJan Kara help 2565a58c3efSJan Kara This option will enable expensive consistency checks. Enable 2575a58c3efSJan Kara this option for debugging only as it is likely to decrease 2585a58c3efSJan Kara performance of the filesystem. 2595a58c3efSJan Kara 2602b4e30fbSJoel Beckerconfig OCFS2_COMPAT_JBD 2612b4e30fbSJoel Becker bool "Use JBD for compatibility" 2622b4e30fbSJoel Becker depends on OCFS2_FS 2632b4e30fbSJoel Becker default n 2642b4e30fbSJoel Becker select JBD 2652b4e30fbSJoel Becker help 2662b4e30fbSJoel Becker The ocfs2 filesystem now uses JBD2 for its journalling. JBD2 2672b4e30fbSJoel Becker is backwards compatible with JBD. It is safe to say N here. 2682b4e30fbSJoel Becker However, if you really want to use the original JBD, say Y here. 2692b4e30fbSJoel Becker 27025fad945SRandy Dunlapendif # BLOCK 27125fad945SRandy Dunlap 27225fad945SRandy Dunlapconfig DNOTIFY 27325fad945SRandy Dunlap bool "Dnotify support" 27425fad945SRandy Dunlap default y 2751da177e4SLinus Torvalds help 27625fad945SRandy Dunlap Dnotify is a directory-based per-fd file change notification system 27725fad945SRandy Dunlap that uses signals to communicate events to user-space. There exist 27825fad945SRandy Dunlap superior alternatives, but some applications may still rely on 27925fad945SRandy Dunlap dnotify. 2801da177e4SLinus Torvalds 28125fad945SRandy Dunlap If unsure, say Y. 2829361401eSDavid Howells 2830eeca283SRobert Loveconfig INOTIFY 2840eeca283SRobert Love bool "Inotify file change notification support" 2850eeca283SRobert Love default y 2860eeca283SRobert Love ---help--- 2872d9048e2SAmy Griffis Say Y here to enable inotify support. Inotify is a file change 2882d9048e2SAmy Griffis notification system and a replacement for dnotify. Inotify fixes 2892d9048e2SAmy Griffis numerous shortcomings in dnotify and introduces several new features 2902d9048e2SAmy Griffis including multiple file events, one-shot support, and unmount 2913de11748SRobert Love notification. 2923de11748SRobert Love 293e403149cSDirk Hohndel For more information, see <file:Documentation/filesystems/inotify.txt> 2940eeca283SRobert Love 2950eeca283SRobert Love If unsure, say Y. 2960eeca283SRobert Love 2972d9048e2SAmy Griffisconfig INOTIFY_USER 2982d9048e2SAmy Griffis bool "Inotify support for userspace" 2992d9048e2SAmy Griffis depends on INOTIFY 3002d9048e2SAmy Griffis default y 3012d9048e2SAmy Griffis ---help--- 3022d9048e2SAmy Griffis Say Y here to enable inotify support for userspace, including the 3032d9048e2SAmy Griffis associated system calls. Inotify allows monitoring of both files and 3042d9048e2SAmy Griffis directories via a single open fd. Events are read from the file 3052d9048e2SAmy Griffis descriptor, which is also select()- and poll()-able. 3062d9048e2SAmy Griffis 307e403149cSDirk Hohndel For more information, see <file:Documentation/filesystems/inotify.txt> 3082d9048e2SAmy Griffis 3092d9048e2SAmy Griffis If unsure, say Y. 3102d9048e2SAmy Griffis 3111da177e4SLinus Torvaldsconfig QUOTA 3121da177e4SLinus Torvalds bool "Quota support" 3131da177e4SLinus Torvalds help 3141da177e4SLinus Torvalds If you say Y here, you will be able to set per user limits for disk 3151da177e4SLinus Torvalds usage (also called disk quotas). Currently, it works for the 3161da177e4SLinus Torvalds ext2, ext3, and reiserfs file system. ext3 also supports journalled 3171da177e4SLinus Torvalds quotas for which you don't need to run quotacheck(8) after an unclean 318919532a5SAdrian Bunk shutdown. 319919532a5SAdrian Bunk For further details, read the Quota mini-HOWTO, available from 3201da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, or the documentation provided 3211da177e4SLinus Torvalds with the quota tools. Probably the quota support is only useful for 3221da177e4SLinus Torvalds multi user systems. If unsure, say N. 3231da177e4SLinus Torvalds 3248e893469SJan Karaconfig QUOTA_NETLINK_INTERFACE 3258e893469SJan Kara bool "Report quota messages through netlink interface" 3268e893469SJan Kara depends on QUOTA && NET 3278e893469SJan Kara help 3288e893469SJan Kara If you say Y here, quota warnings (about exceeding softlimit, reaching 3298e893469SJan Kara hardlimit, etc.) will be reported through netlink interface. If unsure, 3308e893469SJan Kara say Y. 3318e893469SJan Kara 3328e893469SJan Karaconfig PRINT_QUOTA_WARNING 3338e893469SJan Kara bool "Print quota warnings to console (OBSOLETE)" 3348e893469SJan Kara depends on QUOTA 3358e893469SJan Kara default y 3368e893469SJan Kara help 3378e893469SJan Kara If you say Y here, quota warnings (about exceeding softlimit, reaching 3388e893469SJan Kara hardlimit, etc.) will be printed to the process' controlling terminal. 3398e893469SJan Kara Note that this behavior is currently deprecated and may go away in 3408e893469SJan Kara future. Please use notification via netlink socket instead. 3418e893469SJan Kara 3421da177e4SLinus Torvaldsconfig QFMT_V1 3431da177e4SLinus Torvalds tristate "Old quota format support" 3441da177e4SLinus Torvalds depends on QUOTA 3451da177e4SLinus Torvalds help 3461da177e4SLinus Torvalds This quota format was (is) used by kernels earlier than 2.4.22. If 3471da177e4SLinus Torvalds you have quota working and you don't want to convert to new quota 3481da177e4SLinus Torvalds format say Y here. 3491da177e4SLinus Torvalds 3501da177e4SLinus Torvaldsconfig QFMT_V2 3511da177e4SLinus Torvalds tristate "Quota format v2 support" 3521da177e4SLinus Torvalds depends on QUOTA 3531da177e4SLinus Torvalds help 3541da177e4SLinus Torvalds This quota format allows using quotas with 32-bit UIDs/GIDs. If you 355919532a5SAdrian Bunk need this functionality say Y here. 3561da177e4SLinus Torvalds 3571da177e4SLinus Torvaldsconfig QUOTACTL 3581da177e4SLinus Torvalds bool 3591da177e4SLinus Torvalds depends on XFS_QUOTA || QUOTA 3601da177e4SLinus Torvalds default y 3611da177e4SLinus Torvalds 3621da177e4SLinus Torvaldsconfig AUTOFS_FS 3631da177e4SLinus Torvalds tristate "Kernel automounter support" 3641da177e4SLinus Torvalds help 3651da177e4SLinus Torvalds The automounter is a tool to automatically mount remote file systems 3661da177e4SLinus Torvalds on demand. This implementation is partially kernel-based to reduce 3671da177e4SLinus Torvalds overhead in the already-mounted case; this is unlike the BSD 3681da177e4SLinus Torvalds automounter (amd), which is a pure user space daemon. 3691da177e4SLinus Torvalds 3701da177e4SLinus Torvalds To use the automounter you need the user-space tools from the autofs 3711da177e4SLinus Torvalds package; you can find the location in <file:Documentation/Changes>. 3721da177e4SLinus Torvalds You also want to answer Y to "NFS file system support", below. 3731da177e4SLinus Torvalds 3741da177e4SLinus Torvalds If you want to use the newer version of the automounter with more 3751da177e4SLinus Torvalds features, say N here and say Y to "Kernel automounter v4 support", 3761da177e4SLinus Torvalds below. 3771da177e4SLinus Torvalds 3781da177e4SLinus Torvalds To compile this support as a module, choose M here: the module will be 3791da177e4SLinus Torvalds called autofs. 3801da177e4SLinus Torvalds 3811da177e4SLinus Torvalds If you are not a part of a fairly large, distributed network, you 3821da177e4SLinus Torvalds probably do not need an automounter, and can say N here. 3831da177e4SLinus Torvalds 3841da177e4SLinus Torvaldsconfig AUTOFS4_FS 3851da177e4SLinus Torvalds tristate "Kernel automounter version 4 support (also supports v3)" 3861da177e4SLinus Torvalds help 3871da177e4SLinus Torvalds The automounter is a tool to automatically mount remote file systems 3881da177e4SLinus Torvalds on demand. This implementation is partially kernel-based to reduce 3891da177e4SLinus Torvalds overhead in the already-mounted case; this is unlike the BSD 3901da177e4SLinus Torvalds automounter (amd), which is a pure user space daemon. 3911da177e4SLinus Torvalds 3921da177e4SLinus Torvalds To use the automounter you need the user-space tools from 3931da177e4SLinus Torvalds <ftp://ftp.kernel.org/pub/linux/daemons/autofs/v4/>; you also 3941da177e4SLinus Torvalds want to answer Y to "NFS file system support", below. 3951da177e4SLinus Torvalds 3961da177e4SLinus Torvalds To compile this support as a module, choose M here: the module will be 3971da177e4SLinus Torvalds called autofs4. You will need to add "alias autofs autofs4" to your 3981da177e4SLinus Torvalds modules configuration file. 3991da177e4SLinus Torvalds 4001da177e4SLinus Torvalds If you are not a part of a fairly large, distributed network or 4011da177e4SLinus Torvalds don't have a laptop which needs to dynamically reconfigure to the 4021da177e4SLinus Torvalds local network, you probably do not need an automounter, and can say 4031da177e4SLinus Torvalds N here. 4041da177e4SLinus Torvalds 40504578f17SMiklos Szerediconfig FUSE_FS 40604578f17SMiklos Szeredi tristate "Filesystem in Userspace support" 40704578f17SMiklos Szeredi help 40804578f17SMiklos Szeredi With FUSE it is possible to implement a fully functional filesystem 40904578f17SMiklos Szeredi in a userspace program. 41004578f17SMiklos Szeredi 41104578f17SMiklos Szeredi There's also companion library: libfuse. This library along with 41204578f17SMiklos Szeredi utilities is available from the FUSE homepage: 41304578f17SMiklos Szeredi <http://fuse.sourceforge.net/> 41404578f17SMiklos Szeredi 415909021eaSMiklos Szeredi See <file:Documentation/filesystems/fuse.txt> for more information. 416909021eaSMiklos Szeredi See <file:Documentation/Changes> for needed library/utility version. 417909021eaSMiklos Szeredi 41804578f17SMiklos Szeredi If you want to develop a userspace FS, or if you want to use 41904578f17SMiklos Szeredi a filesystem based on FUSE, answer Y or M. 42004578f17SMiklos Szeredi 421f2fbc6c2SRandy Dunlapconfig GENERIC_ACL 422f2fbc6c2SRandy Dunlap bool 423f2fbc6c2SRandy Dunlap select FS_POSIX_ACL 424f2fbc6c2SRandy Dunlap 4259361401eSDavid Howellsif BLOCK 4261da177e4SLinus Torvaldsmenu "CD-ROM/DVD Filesystems" 4271da177e4SLinus Torvalds 4281da177e4SLinus Torvaldsconfig ISO9660_FS 4291da177e4SLinus Torvalds tristate "ISO 9660 CDROM file system support" 4301da177e4SLinus Torvalds help 4311da177e4SLinus Torvalds This is the standard file system used on CD-ROMs. It was previously 4321da177e4SLinus Torvalds known as "High Sierra File System" and is called "hsfs" on other 4331da177e4SLinus Torvalds Unix systems. The so-called Rock-Ridge extensions which allow for 4341da177e4SLinus Torvalds long Unix filenames and symbolic links are also supported by this 4351da177e4SLinus Torvalds driver. If you have a CD-ROM drive and want to do more with it than 4361da177e4SLinus Torvalds just listen to audio CDs and watch its LEDs, say Y (and read 4371da177e4SLinus Torvalds <file:Documentation/filesystems/isofs.txt> and the CD-ROM-HOWTO, 4381da177e4SLinus Torvalds available from <http://www.tldp.org/docs.html#howto>), thereby 4391da177e4SLinus Torvalds enlarging your kernel by about 27 KB; otherwise say N. 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 4421da177e4SLinus Torvalds module will be called isofs. 4431da177e4SLinus Torvalds 4441da177e4SLinus Torvaldsconfig JOLIET 4451da177e4SLinus Torvalds bool "Microsoft Joliet CDROM extensions" 4461da177e4SLinus Torvalds depends on ISO9660_FS 4471da177e4SLinus Torvalds select NLS 4481da177e4SLinus Torvalds help 4491da177e4SLinus Torvalds Joliet is a Microsoft extension for the ISO 9660 CD-ROM file system 4501da177e4SLinus Torvalds which allows for long filenames in unicode format (unicode is the 4511da177e4SLinus Torvalds new 16 bit character code, successor to ASCII, which encodes the 4521da177e4SLinus Torvalds characters of almost all languages of the world; see 4531da177e4SLinus Torvalds <http://www.unicode.org/> for more information). Say Y here if you 4541da177e4SLinus Torvalds want to be able to read Joliet CD-ROMs under Linux. 4551da177e4SLinus Torvalds 4561da177e4SLinus Torvaldsconfig ZISOFS 4571da177e4SLinus Torvalds bool "Transparent decompression extension" 4581da177e4SLinus Torvalds depends on ISO9660_FS 4591da177e4SLinus Torvalds select ZLIB_INFLATE 4601da177e4SLinus Torvalds help 4611da177e4SLinus Torvalds This is a Linux-specific extension to RockRidge which lets you store 4621da177e4SLinus Torvalds data in compressed form on a CD-ROM and have it transparently 4631da177e4SLinus Torvalds decompressed when the CD-ROM is accessed. See 4641da177e4SLinus Torvalds <http://www.kernel.org/pub/linux/utils/fs/zisofs/> for the tools 4651da177e4SLinus Torvalds necessary to create such a filesystem. Say Y here if you want to be 4661da177e4SLinus Torvalds able to read such compressed CD-ROMs. 4671da177e4SLinus Torvalds 4681da177e4SLinus Torvaldsconfig UDF_FS 4691da177e4SLinus Torvalds tristate "UDF file system support" 470f845fcedSBob Copeland select CRC_ITU_T 4711da177e4SLinus Torvalds help 4721da177e4SLinus Torvalds This is the new file system used on some CD-ROMs and DVDs. Say Y if 4731da177e4SLinus Torvalds you intend to mount DVD discs or CDRW's written in packet mode, or 4741da177e4SLinus Torvalds if written to by other UDF utilities, such as DirectCD. 4751da177e4SLinus Torvalds Please read <file:Documentation/filesystems/udf.txt>. 4761da177e4SLinus Torvalds 4771da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 4781da177e4SLinus Torvalds module will be called udf. 4791da177e4SLinus Torvalds 4801da177e4SLinus Torvalds If unsure, say N. 4811da177e4SLinus Torvalds 4821da177e4SLinus Torvaldsconfig UDF_NLS 4831da177e4SLinus Torvalds bool 4841da177e4SLinus Torvalds default y 4851da177e4SLinus Torvalds depends on (UDF_FS=m && NLS) || (UDF_FS=y && NLS=y) 4861da177e4SLinus Torvalds 4871da177e4SLinus Torvaldsendmenu 48825fad945SRandy Dunlapendif # BLOCK 4891da177e4SLinus Torvalds 4909361401eSDavid Howellsif BLOCK 4911da177e4SLinus Torvaldsmenu "DOS/FAT/NT Filesystems" 4921da177e4SLinus Torvalds 4931da177e4SLinus Torvaldsconfig FAT_FS 4941da177e4SLinus Torvalds tristate 4951da177e4SLinus Torvalds select NLS 4961da177e4SLinus Torvalds help 4971da177e4SLinus Torvalds If you want to use one of the FAT-based file systems (the MS-DOS and 4981da177e4SLinus Torvalds VFAT (Windows 95) file systems), then you must say Y or M here 4991da177e4SLinus Torvalds to include FAT support. You will then be able to mount partitions or 5001da177e4SLinus Torvalds diskettes with FAT-based file systems and transparently access the 5011da177e4SLinus Torvalds files on them, i.e. MSDOS files will look and behave just like all 5021da177e4SLinus Torvalds other Unix files. 5031da177e4SLinus Torvalds 5041da177e4SLinus Torvalds This FAT support is not a file system in itself, it only provides 5051da177e4SLinus Torvalds the foundation for the other file systems. You will have to say Y or 5061da177e4SLinus Torvalds M to at least one of "MSDOS fs support" or "VFAT fs support" in 5071da177e4SLinus Torvalds order to make use of it. 5081da177e4SLinus Torvalds 5091da177e4SLinus Torvalds Another way to read and write MSDOS floppies and hard drive 5101da177e4SLinus Torvalds partitions from within Linux (but not transparently) is with the 5111da177e4SLinus Torvalds mtools ("man mtools") program suite. You don't need to say Y here in 5121da177e4SLinus Torvalds order to do that. 5131da177e4SLinus Torvalds 5141da177e4SLinus Torvalds If you need to move large files on floppies between a DOS and a 5151da177e4SLinus Torvalds Linux box, say Y here, mount the floppy under Linux with an MSDOS 5161da177e4SLinus Torvalds file system and use GNU tar's M option. GNU tar is a program 5171da177e4SLinus Torvalds available for Unix and DOS ("man tar" or "info tar"). 5181da177e4SLinus Torvalds 5191da177e4SLinus Torvalds The FAT support will enlarge your kernel by about 37 KB. If unsure, 5201da177e4SLinus Torvalds say Y. 5211da177e4SLinus Torvalds 5221da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 5231da177e4SLinus Torvalds fat. Note that if you compile the FAT support as a module, you 5241da177e4SLinus Torvalds cannot compile any of the FAT-based file systems into the kernel 5251da177e4SLinus Torvalds -- they will have to be modules as well. 5261da177e4SLinus Torvalds 5271da177e4SLinus Torvaldsconfig MSDOS_FS 5281da177e4SLinus Torvalds tristate "MSDOS fs support" 5291da177e4SLinus Torvalds select FAT_FS 5301da177e4SLinus Torvalds help 5311da177e4SLinus Torvalds This allows you to mount MSDOS partitions of your hard drive (unless 5321da177e4SLinus Torvalds they are compressed; to access compressed MSDOS partitions under 5331da177e4SLinus Torvalds Linux, you can either use the DOS emulator DOSEMU, described in the 5341da177e4SLinus Torvalds DOSEMU-HOWTO, available from 5351da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, or try dmsdosfs in 5361da177e4SLinus Torvalds <ftp://ibiblio.org/pub/Linux/system/filesystems/dosfs/>. If you 5371da177e4SLinus Torvalds intend to use dosemu with a non-compressed MSDOS partition, say Y 5381da177e4SLinus Torvalds here) and MSDOS floppies. This means that file access becomes 5391da177e4SLinus Torvalds transparent, i.e. the MSDOS files look and behave just like all 5401da177e4SLinus Torvalds other Unix files. 5411da177e4SLinus Torvalds 5421da177e4SLinus Torvalds If you have Windows 95 or Windows NT installed on your MSDOS 5431da177e4SLinus Torvalds partitions, you should use the VFAT file system (say Y to "VFAT fs 5441da177e4SLinus Torvalds support" below), or you will not be able to see the long filenames 5451da177e4SLinus Torvalds generated by Windows 95 / Windows NT. 5461da177e4SLinus Torvalds 5471da177e4SLinus Torvalds This option will enlarge your kernel by about 7 KB. If unsure, 5481da177e4SLinus Torvalds answer Y. This will only work if you said Y to "DOS FAT fs support" 5491da177e4SLinus Torvalds as well. To compile this as a module, choose M here: the module will 5501da177e4SLinus Torvalds be called msdos. 5511da177e4SLinus Torvalds 5521da177e4SLinus Torvaldsconfig VFAT_FS 5531da177e4SLinus Torvalds tristate "VFAT (Windows-95) fs support" 5541da177e4SLinus Torvalds select FAT_FS 5551da177e4SLinus Torvalds help 5561da177e4SLinus Torvalds This option provides support for normal Windows file systems with 5571da177e4SLinus Torvalds long filenames. That includes non-compressed FAT-based file systems 5581da177e4SLinus Torvalds used by Windows 95, Windows 98, Windows NT 4.0, and the Unix 5591da177e4SLinus Torvalds programs from the mtools package. 5601da177e4SLinus Torvalds 5611da177e4SLinus Torvalds The VFAT support enlarges your kernel by about 10 KB and it only 5621da177e4SLinus Torvalds works if you said Y to the "DOS FAT fs support" above. Please read 5631da177e4SLinus Torvalds the file <file:Documentation/filesystems/vfat.txt> for details. If 5641da177e4SLinus Torvalds unsure, say Y. 5651da177e4SLinus Torvalds 5661da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 5671da177e4SLinus Torvalds vfat. 5681da177e4SLinus Torvalds 5691da177e4SLinus Torvaldsconfig FAT_DEFAULT_CODEPAGE 5701da177e4SLinus Torvalds int "Default codepage for FAT" 5711da177e4SLinus Torvalds depends on MSDOS_FS || VFAT_FS 5721da177e4SLinus Torvalds default 437 5731da177e4SLinus Torvalds help 5741da177e4SLinus Torvalds This option should be set to the codepage of your FAT filesystems. 5751da177e4SLinus Torvalds It can be overridden with the "codepage" mount option. 5761da177e4SLinus Torvalds See <file:Documentation/filesystems/vfat.txt> for more information. 5771da177e4SLinus Torvalds 5781da177e4SLinus Torvaldsconfig FAT_DEFAULT_IOCHARSET 5791da177e4SLinus Torvalds string "Default iocharset for FAT" 5801da177e4SLinus Torvalds depends on VFAT_FS 5811da177e4SLinus Torvalds default "iso8859-1" 5821da177e4SLinus Torvalds help 5831da177e4SLinus Torvalds Set this to the default input/output character set you'd 5841da177e4SLinus Torvalds like FAT to use. It should probably match the character set 5851da177e4SLinus Torvalds that most of your FAT filesystems use, and can be overridden 5861da177e4SLinus Torvalds with the "iocharset" mount option for FAT filesystems. 5871da177e4SLinus Torvalds Note that "utf8" is not recommended for FAT filesystems. 5881da177e4SLinus Torvalds If unsure, you shouldn't set "utf8" here. 5891da177e4SLinus Torvalds See <file:Documentation/filesystems/vfat.txt> for more information. 5901da177e4SLinus Torvalds 5911da177e4SLinus Torvaldsconfig NTFS_FS 5921da177e4SLinus Torvalds tristate "NTFS file system support" 5931da177e4SLinus Torvalds select NLS 5941da177e4SLinus Torvalds help 5951da177e4SLinus Torvalds NTFS is the file system of Microsoft Windows NT, 2000, XP and 2003. 5961da177e4SLinus Torvalds 5971da177e4SLinus Torvalds Saying Y or M here enables read support. There is partial, but 5981da177e4SLinus Torvalds safe, write support available. For write support you must also 5991da177e4SLinus Torvalds say Y to "NTFS write support" below. 6001da177e4SLinus Torvalds 6011da177e4SLinus Torvalds There are also a number of user-space tools available, called 6021da177e4SLinus Torvalds ntfsprogs. These include ntfsundelete and ntfsresize, that work 6031da177e4SLinus Torvalds without NTFS support enabled in the kernel. 6041da177e4SLinus Torvalds 6051da177e4SLinus Torvalds This is a rewrite from scratch of Linux NTFS support and replaced 6061da177e4SLinus Torvalds the old NTFS code starting with Linux 2.5.11. A backport to 6071da177e4SLinus Torvalds the Linux 2.4 kernel series is separately available as a patch 6081da177e4SLinus Torvalds from the project web site. 6091da177e4SLinus Torvalds 6101da177e4SLinus Torvalds For more information see <file:Documentation/filesystems/ntfs.txt> 611337e2ab5SJess Guerrero and <http://www.linux-ntfs.org/>. 6121da177e4SLinus Torvalds 6131da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 6141da177e4SLinus Torvalds module will be called ntfs. 6151da177e4SLinus Torvalds 6161da177e4SLinus Torvalds If you are not using Windows NT, 2000, XP or 2003 in addition to 6171da177e4SLinus Torvalds Linux on your computer it is safe to say N. 6181da177e4SLinus Torvalds 6191da177e4SLinus Torvaldsconfig NTFS_DEBUG 6201da177e4SLinus Torvalds bool "NTFS debugging support" 6211da177e4SLinus Torvalds depends on NTFS_FS 6221da177e4SLinus Torvalds help 6231da177e4SLinus Torvalds If you are experiencing any problems with the NTFS file system, say 6241da177e4SLinus Torvalds Y here. This will result in additional consistency checks to be 6251da177e4SLinus Torvalds performed by the driver as well as additional debugging messages to 6261da177e4SLinus Torvalds be written to the system log. Note that debugging messages are 6271da177e4SLinus Torvalds disabled by default. To enable them, supply the option debug_msgs=1 6281da177e4SLinus Torvalds at the kernel command line when booting the kernel or as an option 6291da177e4SLinus Torvalds to insmod when loading the ntfs module. Once the driver is active, 6301da177e4SLinus Torvalds you can enable debugging messages by doing (as root): 6311da177e4SLinus Torvalds echo 1 > /proc/sys/fs/ntfs-debug 6321da177e4SLinus Torvalds Replacing the "1" with "0" would disable debug messages. 6331da177e4SLinus Torvalds 6341da177e4SLinus Torvalds If you leave debugging messages disabled, this results in little 6351da177e4SLinus Torvalds overhead, but enabling debug messages results in very significant 6361da177e4SLinus Torvalds slowdown of the system. 6371da177e4SLinus Torvalds 6381da177e4SLinus Torvalds When reporting bugs, please try to have available a full dump of 6391da177e4SLinus Torvalds debugging messages while the misbehaviour was occurring. 6401da177e4SLinus Torvalds 6411da177e4SLinus Torvaldsconfig NTFS_RW 6421da177e4SLinus Torvalds bool "NTFS write support" 6431da177e4SLinus Torvalds depends on NTFS_FS 6441da177e4SLinus Torvalds help 6451da177e4SLinus Torvalds This enables the partial, but safe, write support in the NTFS driver. 6461da177e4SLinus Torvalds 6471da177e4SLinus Torvalds The only supported operation is overwriting existing files, without 6481da177e4SLinus Torvalds changing the file length. No file or directory creation, deletion or 6491da177e4SLinus Torvalds renaming is possible. Note only non-resident files can be written to 6501da177e4SLinus Torvalds so you may find that some very small files (<500 bytes or so) cannot 6511da177e4SLinus Torvalds be written to. 6521da177e4SLinus Torvalds 6531da177e4SLinus Torvalds While we cannot guarantee that it will not damage any data, we have 6541da177e4SLinus Torvalds so far not received a single report where the driver would have 6551da177e4SLinus Torvalds damaged someones data so we assume it is perfectly safe to use. 6561da177e4SLinus Torvalds 6571da177e4SLinus Torvalds Note: While write support is safe in this version (a rewrite from 6581da177e4SLinus Torvalds scratch of the NTFS support), it should be noted that the old NTFS 6591da177e4SLinus Torvalds write support, included in Linux 2.5.10 and before (since 1997), 6601da177e4SLinus Torvalds is not safe. 6611da177e4SLinus Torvalds 6621da177e4SLinus Torvalds This is currently useful with TopologiLinux. TopologiLinux is run 6631da177e4SLinus Torvalds on top of any DOS/Microsoft Windows system without partitioning your 6641da177e4SLinus Torvalds hard disk. Unlike other Linux distributions TopologiLinux does not 6651da177e4SLinus Torvalds need its own partition. For more information see 6661da177e4SLinus Torvalds <http://topologi-linux.sourceforge.net/> 6671da177e4SLinus Torvalds 6681da177e4SLinus Torvalds It is perfectly safe to say N here. 6691da177e4SLinus Torvalds 6701da177e4SLinus Torvaldsendmenu 67125fad945SRandy Dunlapendif # BLOCK 6721da177e4SLinus Torvalds 6731da177e4SLinus Torvaldsmenu "Pseudo filesystems" 6741da177e4SLinus Torvalds 6756eedf8d3SAlexey Dobriyansource "fs/proc/Kconfig" 676b89a8171SEric W. Biederman 6771da177e4SLinus Torvaldsconfig SYSFS 6781da177e4SLinus Torvalds bool "sysfs file system support" if EMBEDDED 6791da177e4SLinus Torvalds default y 6801da177e4SLinus Torvalds help 6811da177e4SLinus Torvalds The sysfs filesystem is a virtual filesystem that the kernel uses to 6821da177e4SLinus Torvalds export internal kernel objects, their attributes, and their 6831da177e4SLinus Torvalds relationships to one another. 6841da177e4SLinus Torvalds 6851da177e4SLinus Torvalds Users can use sysfs to ascertain useful information about the running 6861da177e4SLinus Torvalds kernel, such as the devices the kernel has discovered on each bus and 6871da177e4SLinus Torvalds which driver each is bound to. sysfs can also be used to tune devices 6881da177e4SLinus Torvalds and other kernel subsystems. 6891da177e4SLinus Torvalds 6901da177e4SLinus Torvalds Some system agents rely on the information in sysfs to operate. 6911da177e4SLinus Torvalds /sbin/hotplug uses device and object attributes in sysfs to assist in 69203a67a46SJan Engelhardt delegating policy decisions, like persistently naming devices. 6931da177e4SLinus Torvalds 6941da177e4SLinus Torvalds sysfs is currently used by the block subsystem to mount the root 6951da177e4SLinus Torvalds partition. If sysfs is disabled you must specify the boot device on 6961da177e4SLinus Torvalds the kernel boot command line via its major and minor numbers. For 6971da177e4SLinus Torvalds example, "root=03:01" for /dev/hda1. 6981da177e4SLinus Torvalds 6991da177e4SLinus Torvalds Designers of embedded systems may wish to say N here to conserve space. 7001da177e4SLinus Torvalds 7011da177e4SLinus Torvaldsconfig TMPFS 7021da177e4SLinus Torvalds bool "Virtual memory file system support (former shm fs)" 7031da177e4SLinus Torvalds help 7041da177e4SLinus Torvalds Tmpfs is a file system which keeps all files in virtual memory. 7051da177e4SLinus Torvalds 7061da177e4SLinus Torvalds Everything in tmpfs is temporary in the sense that no files will be 7071da177e4SLinus Torvalds created on your hard drive. The files live in memory and swap 7081da177e4SLinus Torvalds space. If you unmount a tmpfs instance, everything stored therein is 7091da177e4SLinus Torvalds lost. 7101da177e4SLinus Torvalds 7111da177e4SLinus Torvalds See <file:Documentation/filesystems/tmpfs.txt> for details. 7121da177e4SLinus Torvalds 71339f0247dSAndreas Gruenbacherconfig TMPFS_POSIX_ACL 71439f0247dSAndreas Gruenbacher bool "Tmpfs POSIX Access Control Lists" 71539f0247dSAndreas Gruenbacher depends on TMPFS 71639f0247dSAndreas Gruenbacher select GENERIC_ACL 71739f0247dSAndreas Gruenbacher help 71839f0247dSAndreas Gruenbacher POSIX Access Control Lists (ACLs) support permissions for users and 71939f0247dSAndreas Gruenbacher groups beyond the owner/group/world scheme. 72039f0247dSAndreas Gruenbacher 72139f0247dSAndreas Gruenbacher To learn more about Access Control Lists, visit the POSIX ACLs for 72239f0247dSAndreas Gruenbacher Linux website <http://acl.bestbits.at/>. 72339f0247dSAndreas Gruenbacher 72439f0247dSAndreas Gruenbacher If you don't know what Access Control Lists are, say N. 72539f0247dSAndreas Gruenbacher 7261da177e4SLinus Torvaldsconfig HUGETLBFS 7271da177e4SLinus Torvalds bool "HugeTLB file system support" 72853492b1dSGerald Schaefer depends on X86 || IA64 || PPC64 || SPARC64 || (SUPERH && MMU) || \ 72953492b1dSGerald Schaefer (S390 && 64BIT) || BROKEN 730dda27d1aSArthur Othieno help 731dda27d1aSArthur Othieno hugetlbfs is a filesystem backing for HugeTLB pages, based on 732dda27d1aSArthur Othieno ramfs. For architectures that support it, say Y here and read 733dda27d1aSArthur Othieno <file:Documentation/vm/hugetlbpage.txt> for details. 734dda27d1aSArthur Othieno 735dda27d1aSArthur Othieno If unsure, say N. 7361da177e4SLinus Torvalds 7371da177e4SLinus Torvaldsconfig HUGETLB_PAGE 7381da177e4SLinus Torvalds def_bool HUGETLBFS 7391da177e4SLinus Torvalds 7407063fbf2SJoel Beckerconfig CONFIGFS_FS 74102ac0499SJoel Becker tristate "Userspace-driven configuration filesystem" 74202ac0499SJoel Becker depends on SYSFS 7437063fbf2SJoel Becker help 7447063fbf2SJoel Becker configfs is a ram-based filesystem that provides the converse 7457063fbf2SJoel Becker of sysfs's functionality. Where sysfs is a filesystem-based 7467063fbf2SJoel Becker view of kernel objects, configfs is a filesystem-based manager 7477063fbf2SJoel Becker of kernel objects, or config_items. 7487063fbf2SJoel Becker 7497063fbf2SJoel Becker Both sysfs and configfs can and should exist together on the 7507063fbf2SJoel Becker same system. One is not a replacement for the other. 7517063fbf2SJoel Becker 7521da177e4SLinus Torvaldsendmenu 7531da177e4SLinus Torvalds 7541da177e4SLinus Torvaldsmenu "Miscellaneous filesystems" 7551da177e4SLinus Torvalds 7561da177e4SLinus Torvaldsconfig ADFS_FS 7571da177e4SLinus Torvalds tristate "ADFS file system support (EXPERIMENTAL)" 7589361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 7591da177e4SLinus Torvalds help 7601da177e4SLinus Torvalds The Acorn Disc Filing System is the standard file system of the 7611da177e4SLinus Torvalds RiscOS operating system which runs on Acorn's ARM-based Risc PC 7621da177e4SLinus Torvalds systems and the Acorn Archimedes range of machines. If you say Y 7631da177e4SLinus Torvalds here, Linux will be able to read from ADFS partitions on hard drives 7641da177e4SLinus Torvalds and from ADFS-formatted floppy discs. If you also want to be able to 7651da177e4SLinus Torvalds write to those devices, say Y to "ADFS write support" below. 7661da177e4SLinus Torvalds 7671da177e4SLinus Torvalds The ADFS partition should be the first partition (i.e., 7681da177e4SLinus Torvalds /dev/[hs]d?1) on each of your drives. Please read the file 7691da177e4SLinus Torvalds <file:Documentation/filesystems/adfs.txt> for further details. 7701da177e4SLinus Torvalds 7711da177e4SLinus Torvalds To compile this code as a module, choose M here: the module will be 7721da177e4SLinus Torvalds called adfs. 7731da177e4SLinus Torvalds 7741da177e4SLinus Torvalds If unsure, say N. 7751da177e4SLinus Torvalds 7761da177e4SLinus Torvaldsconfig ADFS_FS_RW 7771da177e4SLinus Torvalds bool "ADFS write support (DANGEROUS)" 7781da177e4SLinus Torvalds depends on ADFS_FS 7791da177e4SLinus Torvalds help 7801da177e4SLinus Torvalds If you say Y here, you will be able to write to ADFS partitions on 7811da177e4SLinus Torvalds hard drives and ADFS-formatted floppy disks. This is experimental 7821da177e4SLinus Torvalds codes, so if you're unsure, say N. 7831da177e4SLinus Torvalds 7841da177e4SLinus Torvaldsconfig AFFS_FS 7851da177e4SLinus Torvalds tristate "Amiga FFS file system support (EXPERIMENTAL)" 7869361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 7871da177e4SLinus Torvalds help 7881da177e4SLinus Torvalds The Fast File System (FFS) is the common file system used on hard 7891da177e4SLinus Torvalds disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20). Say Y 7901da177e4SLinus Torvalds if you want to be able to read and write files from and to an Amiga 7911da177e4SLinus Torvalds FFS partition on your hard drive. Amiga floppies however cannot be 7921da177e4SLinus Torvalds read with this driver due to an incompatibility of the floppy 7931da177e4SLinus Torvalds controller used in an Amiga and the standard floppy controller in 7941da177e4SLinus Torvalds PCs and workstations. Read <file:Documentation/filesystems/affs.txt> 7951da177e4SLinus Torvalds and <file:fs/affs/Changes>. 7961da177e4SLinus Torvalds 7971da177e4SLinus Torvalds With this driver you can also mount disk files used by Bernd 7981da177e4SLinus Torvalds Schmidt's Un*X Amiga Emulator 7991da177e4SLinus Torvalds (<http://www.freiburg.linux.de/~uae/>). 8001da177e4SLinus Torvalds If you want to do this, you will also need to say Y or M to "Loop 8011da177e4SLinus Torvalds device support", above. 8021da177e4SLinus Torvalds 8031da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 8041da177e4SLinus Torvalds module will be called affs. If unsure, say N. 8051da177e4SLinus Torvalds 806237fead6SMichael Halcrowconfig ECRYPT_FS 807237fead6SMichael Halcrow tristate "eCrypt filesystem layer support (EXPERIMENTAL)" 80888b4a07eSMichael Halcrow depends on EXPERIMENTAL && KEYS && CRYPTO && NET 809237fead6SMichael Halcrow help 810237fead6SMichael Halcrow Encrypted filesystem that operates on the VFS layer. See 811e403149cSDirk Hohndel <file:Documentation/filesystems/ecryptfs.txt> to learn more about 812237fead6SMichael Halcrow eCryptfs. Userspace components are required and can be 813237fead6SMichael Halcrow obtained from <http://ecryptfs.sf.net>. 814237fead6SMichael Halcrow 815237fead6SMichael Halcrow To compile this file system support as a module, choose M here: the 816237fead6SMichael Halcrow module will be called ecryptfs. 817237fead6SMichael Halcrow 8181da177e4SLinus Torvaldsconfig HFS_FS 8191da177e4SLinus Torvalds tristate "Apple Macintosh file system support (EXPERIMENTAL)" 8209361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 821878129a3SLennert Buytenhek select NLS 8221da177e4SLinus Torvalds help 8231da177e4SLinus Torvalds If you say Y here, you will be able to mount Macintosh-formatted 8241da177e4SLinus Torvalds floppy disks and hard drive partitions with full read-write access. 825889c94a1SJohann Felix Soden Please read <file:Documentation/filesystems/hfs.txt> to learn about 826889c94a1SJohann Felix Soden the available mount options. 8271da177e4SLinus Torvalds 8281da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 8291da177e4SLinus Torvalds module will be called hfs. 8301da177e4SLinus Torvalds 8311da177e4SLinus Torvaldsconfig HFSPLUS_FS 8321da177e4SLinus Torvalds tristate "Apple Extended HFS file system support" 8339361401eSDavid Howells depends on BLOCK 8341da177e4SLinus Torvalds select NLS 8351da177e4SLinus Torvalds select NLS_UTF8 8361da177e4SLinus Torvalds help 8371da177e4SLinus Torvalds If you say Y here, you will be able to mount extended format 8381da177e4SLinus Torvalds Macintosh-formatted hard drive partitions with full read-write access. 8391da177e4SLinus Torvalds 8401da177e4SLinus Torvalds This file system is often called HFS+ and was introduced with 8411da177e4SLinus Torvalds MacOS 8. It includes all Mac specific filesystem data such as 8421da177e4SLinus Torvalds data forks and creator codes, but it also has several UNIX 8431da177e4SLinus Torvalds style features such as file ownership and permissions. 8441da177e4SLinus Torvalds 8451da177e4SLinus Torvaldsconfig BEFS_FS 8461da177e4SLinus Torvalds tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)" 8479361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 8481da177e4SLinus Torvalds select NLS 8491da177e4SLinus Torvalds help 8501da177e4SLinus Torvalds The BeOS File System (BeFS) is the native file system of Be, Inc's 8511da177e4SLinus Torvalds BeOS. Notable features include support for arbitrary attributes 8523cb2fcccSMatt LaPlante on files and directories, and database-like indices on selected 8531da177e4SLinus Torvalds attributes. (Also note that this driver doesn't make those features 8541da177e4SLinus Torvalds available at this time). It is a 64 bit filesystem, so it supports 85544c09201SMatt LaPlante extremely large volumes and files. 8561da177e4SLinus Torvalds 8571da177e4SLinus Torvalds If you use this filesystem, you should also say Y to at least one 8581da177e4SLinus Torvalds of the NLS (native language support) options below. 8591da177e4SLinus Torvalds 8601da177e4SLinus Torvalds If you don't know what this is about, say N. 8611da177e4SLinus Torvalds 8621da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be 8631da177e4SLinus Torvalds called befs. 8641da177e4SLinus Torvalds 8651da177e4SLinus Torvaldsconfig BEFS_DEBUG 8661da177e4SLinus Torvalds bool "Debug BeFS" 8671da177e4SLinus Torvalds depends on BEFS_FS 8681da177e4SLinus Torvalds help 8691da177e4SLinus Torvalds If you say Y here, you can use the 'debug' mount option to enable 8701da177e4SLinus Torvalds debugging output from the driver. 8711da177e4SLinus Torvalds 8721da177e4SLinus Torvaldsconfig BFS_FS 8731da177e4SLinus Torvalds tristate "BFS file system support (EXPERIMENTAL)" 8749361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 8751da177e4SLinus Torvalds help 8761da177e4SLinus Torvalds Boot File System (BFS) is a file system used under SCO UnixWare to 8771da177e4SLinus Torvalds allow the bootloader access to the kernel image and other important 8781da177e4SLinus Torvalds files during the boot process. It is usually mounted under /stand 8791da177e4SLinus Torvalds and corresponds to the slice marked as "STAND" in the UnixWare 8801da177e4SLinus Torvalds partition. You should say Y if you want to read or write the files 8811da177e4SLinus Torvalds on your /stand slice from within Linux. You then also need to say Y 8821da177e4SLinus Torvalds to "UnixWare slices support", below. More information about the BFS 8831da177e4SLinus Torvalds file system is contained in the file 8841da177e4SLinus Torvalds <file:Documentation/filesystems/bfs.txt>. 8851da177e4SLinus Torvalds 8861da177e4SLinus Torvalds If you don't know what this is about, say N. 8871da177e4SLinus Torvalds 8881da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 8891da177e4SLinus Torvalds bfs. Note that the file system of your root partition (the one 8901da177e4SLinus Torvalds containing the directory /) cannot be compiled as a module. 8911da177e4SLinus Torvalds 8921da177e4SLinus Torvalds 8931da177e4SLinus Torvalds 8941da177e4SLinus Torvaldsconfig EFS_FS 8951da177e4SLinus Torvalds tristate "EFS file system support (read only) (EXPERIMENTAL)" 8969361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 8971da177e4SLinus Torvalds help 8981da177e4SLinus Torvalds EFS is an older file system used for non-ISO9660 CD-ROMs and hard 8991da177e4SLinus Torvalds disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer 9001da177e4SLinus Torvalds uses the XFS file system for hard disk partitions however). 9011da177e4SLinus Torvalds 9021da177e4SLinus Torvalds This implementation only offers read-only access. If you don't know 9031da177e4SLinus Torvalds what all this is about, it's safe to say N. For more information 9041da177e4SLinus Torvalds about EFS see its home page at <http://aeschi.ch.eu.org/efs/>. 9051da177e4SLinus Torvalds 9061da177e4SLinus Torvalds To compile the EFS file system support as a module, choose M here: the 9071da177e4SLinus Torvalds module will be called efs. 9081da177e4SLinus Torvalds 90931db6e9eSAlexey Dobriyansource "fs/jffs2/Kconfig" 9100d7eff87SArtem Bityutskiy# UBIFS File system configuration 9110d7eff87SArtem Bityutskiysource "fs/ubifs/Kconfig" 9120d7eff87SArtem Bityutskiy 9131da177e4SLinus Torvaldsconfig CRAMFS 9141da177e4SLinus Torvalds tristate "Compressed ROM file system support (cramfs)" 9159361401eSDavid Howells depends on BLOCK 9161da177e4SLinus Torvalds select ZLIB_INFLATE 9171da177e4SLinus Torvalds help 9181da177e4SLinus Torvalds Saying Y here includes support for CramFs (Compressed ROM File 9191da177e4SLinus Torvalds System). CramFs is designed to be a simple, small, and compressed 9201da177e4SLinus Torvalds file system for ROM based embedded systems. CramFs is read-only, 9211da177e4SLinus Torvalds limited to 256MB file systems (with 16MB files), and doesn't support 9221da177e4SLinus Torvalds 16/32 bits uid/gid, hard links and timestamps. 9231da177e4SLinus Torvalds 9241da177e4SLinus Torvalds See <file:Documentation/filesystems/cramfs.txt> and 9251da177e4SLinus Torvalds <file:fs/cramfs/README> for further information. 9261da177e4SLinus Torvalds 9271da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 9281da177e4SLinus Torvalds cramfs. Note that the root file system (the one containing the 9291da177e4SLinus Torvalds directory /) cannot be compiled as a module. 9301da177e4SLinus Torvalds 9311da177e4SLinus Torvalds If unsure, say N. 9321da177e4SLinus Torvalds 9331da177e4SLinus Torvaldsconfig VXFS_FS 9341da177e4SLinus Torvalds tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)" 9359361401eSDavid Howells depends on BLOCK 9361da177e4SLinus Torvalds help 9371da177e4SLinus Torvalds FreeVxFS is a file system driver that support the VERITAS VxFS(TM) 9381da177e4SLinus Torvalds file system format. VERITAS VxFS(TM) is the standard file system 9391da177e4SLinus Torvalds of SCO UnixWare (and possibly others) and optionally available 9401da177e4SLinus Torvalds for Sunsoft Solaris, HP-UX and many other operating systems. 9411da177e4SLinus Torvalds Currently only readonly access is supported. 9421da177e4SLinus Torvalds 9431da177e4SLinus Torvalds NOTE: the file system type as used by mount(1), mount(2) and 9441da177e4SLinus Torvalds fstab(5) is 'vxfs' as it describes the file system format, not 9451da177e4SLinus Torvalds the actual driver. 9461da177e4SLinus Torvalds 9471da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be 9481da177e4SLinus Torvalds called freevxfs. If unsure, say N. 9491da177e4SLinus Torvalds 95025fad945SRandy Dunlapconfig MINIX_FS 95125fad945SRandy Dunlap tristate "Minix file system support" 95225fad945SRandy Dunlap depends on BLOCK 95325fad945SRandy Dunlap help 95425fad945SRandy Dunlap Minix is a simple operating system used in many classes about OS's. 95525fad945SRandy Dunlap The minix file system (method to organize files on a hard disk 95625fad945SRandy Dunlap partition or a floppy disk) was the original file system for Linux, 95725fad945SRandy Dunlap but has been superseded by the second extended file system ext2fs. 95825fad945SRandy Dunlap You don't want to use the minix file system on your hard disk 95925fad945SRandy Dunlap because of certain built-in restrictions, but it is sometimes found 96025fad945SRandy Dunlap on older Linux floppy disks. This option will enlarge your kernel 96125fad945SRandy Dunlap by about 28 KB. If unsure, say N. 96225fad945SRandy Dunlap 96325fad945SRandy Dunlap To compile this file system support as a module, choose M here: the 96425fad945SRandy Dunlap module will be called minix. Note that the file system of your root 96525fad945SRandy Dunlap partition (the one containing the directory /) cannot be compiled as 96625fad945SRandy Dunlap a module. 96725fad945SRandy Dunlap 96863ca8ce2SBob Copelandconfig OMFS_FS 96963ca8ce2SBob Copeland tristate "SonicBlue Optimized MPEG File System support" 97063ca8ce2SBob Copeland depends on BLOCK 97163ca8ce2SBob Copeland select CRC_ITU_T 97263ca8ce2SBob Copeland help 97363ca8ce2SBob Copeland This is the proprietary file system used by the Rio Karma music 97463ca8ce2SBob Copeland player and ReplayTV DVR. Despite the name, this filesystem is not 97563ca8ce2SBob Copeland more efficient than a standard FS for MPEG files, in fact likely 97663ca8ce2SBob Copeland the opposite is true. Say Y if you have either of these devices 97763ca8ce2SBob Copeland and wish to mount its disk. 97863ca8ce2SBob Copeland 97963ca8ce2SBob Copeland To compile this file system support as a module, choose M here: the 98063ca8ce2SBob Copeland module will be called omfs. If unsure, say N. 9811da177e4SLinus Torvalds 9821da177e4SLinus Torvaldsconfig HPFS_FS 9831da177e4SLinus Torvalds tristate "OS/2 HPFS file system support" 9849361401eSDavid Howells depends on BLOCK 9851da177e4SLinus Torvalds help 9861da177e4SLinus Torvalds OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS 9871da177e4SLinus Torvalds is the file system used for organizing files on OS/2 hard disk 9881da177e4SLinus Torvalds partitions. Say Y if you want to be able to read files from and 9891da177e4SLinus Torvalds write files to an OS/2 HPFS partition on your hard drive. OS/2 9901da177e4SLinus Torvalds floppies however are in regular MSDOS format, so you don't need this 9911da177e4SLinus Torvalds option in order to be able to read them. Read 9921da177e4SLinus Torvalds <file:Documentation/filesystems/hpfs.txt>. 9931da177e4SLinus Torvalds 9941da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 9951da177e4SLinus Torvalds module will be called hpfs. If unsure, say N. 9961da177e4SLinus Torvalds 9971da177e4SLinus Torvalds 9981da177e4SLinus Torvaldsconfig QNX4FS_FS 9991da177e4SLinus Torvalds tristate "QNX4 file system support (read only)" 10009361401eSDavid Howells depends on BLOCK 10011da177e4SLinus Torvalds help 10021da177e4SLinus Torvalds This is the file system used by the real-time operating systems 10031da177e4SLinus Torvalds QNX 4 and QNX 6 (the latter is also called QNX RTP). 10041da177e4SLinus Torvalds Further information is available at <http://www.qnx.com/>. 10051da177e4SLinus Torvalds Say Y if you intend to mount QNX hard disks or floppies. 10061da177e4SLinus Torvalds Unless you say Y to "QNX4FS read-write support" below, you will 10071da177e4SLinus Torvalds only be able to read these file systems. 10081da177e4SLinus Torvalds 10091da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 10101da177e4SLinus Torvalds module will be called qnx4. 10111da177e4SLinus Torvalds 10121da177e4SLinus Torvalds If you don't know whether you need it, then you don't need it: 10131da177e4SLinus Torvalds answer N. 10141da177e4SLinus Torvalds 10151da177e4SLinus Torvaldsconfig QNX4FS_RW 10161da177e4SLinus Torvalds bool "QNX4FS write support (DANGEROUS)" 10171da177e4SLinus Torvalds depends on QNX4FS_FS && EXPERIMENTAL && BROKEN 10181da177e4SLinus Torvalds help 10191da177e4SLinus Torvalds Say Y if you want to test write support for QNX4 file systems. 10201da177e4SLinus Torvalds 10211da177e4SLinus Torvalds It's currently broken, so for now: 10221da177e4SLinus Torvalds answer N. 10231da177e4SLinus Torvalds 102425fad945SRandy Dunlapconfig ROMFS_FS 102525fad945SRandy Dunlap tristate "ROM file system support" 102625fad945SRandy Dunlap depends on BLOCK 102725fad945SRandy Dunlap ---help--- 102825fad945SRandy Dunlap This is a very small read-only file system mainly intended for 102925fad945SRandy Dunlap initial ram disks of installation disks, but it could be used for 103025fad945SRandy Dunlap other read-only media as well. Read 103125fad945SRandy Dunlap <file:Documentation/filesystems/romfs.txt> for details. 103225fad945SRandy Dunlap 103325fad945SRandy Dunlap To compile this file system support as a module, choose M here: the 103425fad945SRandy Dunlap module will be called romfs. Note that the file system of your 103525fad945SRandy Dunlap root partition (the one containing the directory /) cannot be a 103625fad945SRandy Dunlap module. 103725fad945SRandy Dunlap 103825fad945SRandy Dunlap If you don't know whether you need it, then you don't need it: 103925fad945SRandy Dunlap answer N. 10401da177e4SLinus Torvalds 10411da177e4SLinus Torvalds 10421da177e4SLinus Torvaldsconfig SYSV_FS 10431da177e4SLinus Torvalds tristate "System V/Xenix/V7/Coherent file system support" 10449361401eSDavid Howells depends on BLOCK 10451da177e4SLinus Torvalds help 10461da177e4SLinus Torvalds SCO, Xenix and Coherent are commercial Unix systems for Intel 10471da177e4SLinus Torvalds machines, and Version 7 was used on the DEC PDP-11. Saying Y 10481da177e4SLinus Torvalds here would allow you to read from their floppies and hard disk 10491da177e4SLinus Torvalds partitions. 10501da177e4SLinus Torvalds 10511da177e4SLinus Torvalds If you have floppies or hard disk partitions like that, it is likely 10521da177e4SLinus Torvalds that they contain binaries from those other Unix systems; in order 1053cab00891SMatt LaPlante to run these binaries, you will want to install linux-abi which is 10541da177e4SLinus Torvalds a set of kernel modules that lets you run SCO, Xenix, Wyse, 10551da177e4SLinus Torvalds UnixWare, Dell Unix and System V programs under Linux. It is 10561da177e4SLinus Torvalds available via FTP (user: ftp) from 10571da177e4SLinus Torvalds <ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>). 10581da177e4SLinus Torvalds NOTE: that will work only for binaries from Intel-based systems; 10591da177e4SLinus Torvalds PDP ones will have to wait until somebody ports Linux to -11 ;-) 10601da177e4SLinus Torvalds 10611da177e4SLinus Torvalds If you only intend to mount files from some other Unix over the 10621da177e4SLinus Torvalds network using NFS, you don't need the System V file system support 10631da177e4SLinus Torvalds (but you need NFS file system support obviously). 10641da177e4SLinus Torvalds 10651da177e4SLinus Torvalds Note that this option is generally not needed for floppies, since a 10661da177e4SLinus Torvalds good portable way to transport files and directories between unixes 10671da177e4SLinus Torvalds (and even other operating systems) is given by the tar program ("man 10681da177e4SLinus Torvalds tar" or preferably "info tar"). Note also that this option has 10691da177e4SLinus Torvalds nothing whatsoever to do with the option "System V IPC". Read about 10701da177e4SLinus Torvalds the System V file system in 10711da177e4SLinus Torvalds <file:Documentation/filesystems/sysv-fs.txt>. 10721da177e4SLinus Torvalds Saying Y here will enlarge your kernel by about 27 KB. 10731da177e4SLinus Torvalds 10741da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 10751da177e4SLinus Torvalds sysv. 10761da177e4SLinus Torvalds 10771da177e4SLinus Torvalds If you haven't heard about all of this before, it's safe to say N. 10781da177e4SLinus Torvalds 10791da177e4SLinus Torvalds 10801da177e4SLinus Torvaldsconfig UFS_FS 10811da177e4SLinus Torvalds tristate "UFS file system support (read only)" 10829361401eSDavid Howells depends on BLOCK 10831da177e4SLinus Torvalds help 10841da177e4SLinus Torvalds BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD, 10851da177e4SLinus Torvalds OpenBSD and NeXTstep) use a file system called UFS. Some System V 10861da177e4SLinus Torvalds Unixes can create and mount hard disk partitions and diskettes using 10871da177e4SLinus Torvalds this file system as well. Saying Y here will allow you to read from 10881da177e4SLinus Torvalds these partitions; if you also want to write to them, say Y to the 10891da177e4SLinus Torvalds experimental "UFS file system write support", below. Please read the 10901da177e4SLinus Torvalds file <file:Documentation/filesystems/ufs.txt> for more information. 10911da177e4SLinus Torvalds 10921da177e4SLinus Torvalds The recently released UFS2 variant (used in FreeBSD 5.x) is 10931da177e4SLinus Torvalds READ-ONLY supported. 10941da177e4SLinus Torvalds 10951da177e4SLinus Torvalds Note that this option is generally not needed for floppies, since a 10961da177e4SLinus Torvalds good portable way to transport files and directories between unixes 10971da177e4SLinus Torvalds (and even other operating systems) is given by the tar program ("man 10981da177e4SLinus Torvalds tar" or preferably "info tar"). 10991da177e4SLinus Torvalds 11001da177e4SLinus Torvalds When accessing NeXTstep files, you may need to convert them from the 11011da177e4SLinus Torvalds NeXT character set to the Latin1 character set; use the program 11021da177e4SLinus Torvalds recode ("info recode") for this purpose. 11031da177e4SLinus Torvalds 11041da177e4SLinus Torvalds To compile the UFS file system support as a module, choose M here: the 11051da177e4SLinus Torvalds module will be called ufs. 11061da177e4SLinus Torvalds 11071da177e4SLinus Torvalds If you haven't heard about all of this before, it's safe to say N. 11081da177e4SLinus Torvalds 11091da177e4SLinus Torvaldsconfig UFS_FS_WRITE 11101da177e4SLinus Torvalds bool "UFS file system write support (DANGEROUS)" 11115afb3145SEvgeniy Dushistov depends on UFS_FS && EXPERIMENTAL 11121da177e4SLinus Torvalds help 11131da177e4SLinus Torvalds Say Y here if you want to try writing to UFS partitions. This is 11141da177e4SLinus Torvalds experimental, so you should back up your UFS partitions beforehand. 11151da177e4SLinus Torvalds 1116abf5d15fSEvgeniy Dushistovconfig UFS_DEBUG 1117abf5d15fSEvgeniy Dushistov bool "UFS debugging" 1118abf5d15fSEvgeniy Dushistov depends on UFS_FS 1119abf5d15fSEvgeniy Dushistov help 1120abf5d15fSEvgeniy Dushistov If you are experiencing any problems with the UFS filesystem, say 1121abf5d15fSEvgeniy Dushistov Y here. This will result in _many_ additional debugging messages to be 1122abf5d15fSEvgeniy Dushistov written to the system log. 1123abf5d15fSEvgeniy Dushistov 11241da177e4SLinus Torvaldsendmenu 11251da177e4SLinus Torvalds 1126ea0985adSJan Engelhardtmenuconfig NETWORK_FILESYSTEMS 1127ea0985adSJan Engelhardt bool "Network File Systems" 1128ea0985adSJan Engelhardt default y 11291da177e4SLinus Torvalds depends on NET 1130ea0985adSJan Engelhardt ---help--- 1131ea0985adSJan Engelhardt Say Y here to get to see options for network filesystems and 1132ea0985adSJan Engelhardt filesystem-related networking code, such as NFS daemon and 1133ea0985adSJan Engelhardt RPCSEC security modules. 11346fb1bc10SChuck Lever 1135ea0985adSJan Engelhardt This option alone does not add any kernel code. 1136ea0985adSJan Engelhardt 1137ea0985adSJan Engelhardt If you say N, all options in this submenu will be skipped and 1138ea0985adSJan Engelhardt disabled; if unsure, say Y here. 1139ea0985adSJan Engelhardt 1140ea0985adSJan Engelhardtif NETWORK_FILESYSTEMS 11411da177e4SLinus Torvalds 11421da177e4SLinus Torvaldsconfig NFS_FS 11436fb1bc10SChuck Lever tristate "NFS client support" 11441da177e4SLinus Torvalds depends on INET 11451da177e4SLinus Torvalds select LOCKD 11461da177e4SLinus Torvalds select SUNRPC 1147b7fa0554SAndreas Gruenbacher select NFS_ACL_SUPPORT if NFS_V3_ACL 11481da177e4SLinus Torvalds help 11496fb1bc10SChuck Lever Choose Y here if you want to access files residing on other 11506fb1bc10SChuck Lever computers using Sun's Network File System protocol. To compile 11516fb1bc10SChuck Lever this file system support as a module, choose M here: the module 11526fb1bc10SChuck Lever will be called nfs. 11531da177e4SLinus Torvalds 11546fb1bc10SChuck Lever To mount file systems exported by NFS servers, you also need to 11556fb1bc10SChuck Lever install the user space mount.nfs command which can be found in 11566fb1bc10SChuck Lever the Linux nfs-utils package, available from http://linux-nfs.org/. 11576fb1bc10SChuck Lever Information about using the mount command is available in the 11586fb1bc10SChuck Lever mount(8) man page. More detail about the Linux NFS client 11596fb1bc10SChuck Lever implementation is available via the nfs(5) man page. 11601da177e4SLinus Torvalds 11616fb1bc10SChuck Lever Below you can choose which versions of the NFS protocol are 11626fb1bc10SChuck Lever available in the kernel to mount NFS servers. Support for NFS 11636fb1bc10SChuck Lever version 2 (RFC 1094) is always available when NFS_FS is selected. 11641da177e4SLinus Torvalds 11656fb1bc10SChuck Lever To configure a system which mounts its root file system via NFS 11666fb1bc10SChuck Lever at boot time, say Y here, select "Kernel level IP 11676fb1bc10SChuck Lever autoconfiguration" in the NETWORK menu, and select "Root file 11686fb1bc10SChuck Lever system on NFS" below. You cannot compile this file system as a 11696fb1bc10SChuck Lever module in this case. 11701da177e4SLinus Torvalds 11716fb1bc10SChuck Lever If unsure, say N. 11721da177e4SLinus Torvalds 11731da177e4SLinus Torvaldsconfig NFS_V3 11746fb1bc10SChuck Lever bool "NFS client support for NFS version 3" 11751da177e4SLinus Torvalds depends on NFS_FS 11761da177e4SLinus Torvalds help 11776fb1bc10SChuck Lever This option enables support for version 3 of the NFS protocol 11786fb1bc10SChuck Lever (RFC 1813) in the kernel's NFS client. 11791da177e4SLinus Torvalds 11801da177e4SLinus Torvalds If unsure, say Y. 11811da177e4SLinus Torvalds 1182b7fa0554SAndreas Gruenbacherconfig NFS_V3_ACL 11836fb1bc10SChuck Lever bool "NFS client support for the NFSv3 ACL protocol extension" 1184b7fa0554SAndreas Gruenbacher depends on NFS_V3 1185b7fa0554SAndreas Gruenbacher help 11866fb1bc10SChuck Lever Some NFS servers support an auxiliary NFSv3 ACL protocol that 11876fb1bc10SChuck Lever Sun added to Solaris but never became an official part of the 11886fb1bc10SChuck Lever NFS version 3 protocol. This protocol extension allows 11896fb1bc10SChuck Lever applications on NFS clients to manipulate POSIX Access Control 11906fb1bc10SChuck Lever Lists on files residing on NFS servers. NFS servers enforce 11916fb1bc10SChuck Lever ACLs on local files whether this protocol is available or not. 11926fb1bc10SChuck Lever 11936fb1bc10SChuck Lever Choose Y here if your NFS server supports the Solaris NFSv3 ACL 11946fb1bc10SChuck Lever protocol extension and you want your NFS client to allow 11956fb1bc10SChuck Lever applications to access and modify ACLs on files on the server. 11966fb1bc10SChuck Lever 11976fb1bc10SChuck Lever Most NFS servers don't support the Solaris NFSv3 ACL protocol 11986fb1bc10SChuck Lever extension. You can choose N here or specify the "noacl" mount 11996fb1bc10SChuck Lever option to prevent your NFS client from trying to use the NFSv3 12006fb1bc10SChuck Lever ACL protocol. 1201b7fa0554SAndreas Gruenbacher 1202b7fa0554SAndreas Gruenbacher If unsure, say N. 1203b7fa0554SAndreas Gruenbacher 12041da177e4SLinus Torvaldsconfig NFS_V4 12056fb1bc10SChuck Lever bool "NFS client support for NFS version 4 (EXPERIMENTAL)" 12061da177e4SLinus Torvalds depends on NFS_FS && EXPERIMENTAL 12071da177e4SLinus Torvalds select RPCSEC_GSS_KRB5 12081da177e4SLinus Torvalds help 12096fb1bc10SChuck Lever This option enables support for version 4 of the NFS protocol 12106fb1bc10SChuck Lever (RFC 3530) in the kernel's NFS client. 12111da177e4SLinus Torvalds 12126fb1bc10SChuck Lever To mount NFS servers using NFSv4, you also need to install user 12136fb1bc10SChuck Lever space programs which can be found in the Linux nfs-utils package, 12146fb1bc10SChuck Lever available from http://linux-nfs.org/. 12151da177e4SLinus Torvalds 12161da177e4SLinus Torvalds If unsure, say N. 12171da177e4SLinus Torvalds 12186fb1bc10SChuck Leverconfig ROOT_NFS 12196fb1bc10SChuck Lever bool "Root file system on NFS" 12206fb1bc10SChuck Lever depends on NFS_FS=y && IP_PNP 12216fb1bc10SChuck Lever help 12226fb1bc10SChuck Lever If you want your system to mount its root file system via NFS, 12236fb1bc10SChuck Lever choose Y here. This is common practice for managing systems 12246fb1bc10SChuck Lever without local permanent storage. For details, read 12256fb1bc10SChuck Lever <file:Documentation/filesystems/nfsroot.txt>. 12266fb1bc10SChuck Lever 12276fb1bc10SChuck Lever Most people say N here. 12286fb1bc10SChuck Lever 12291da177e4SLinus Torvaldsconfig NFSD 12301da177e4SLinus Torvalds tristate "NFS server support" 12311da177e4SLinus Torvalds depends on INET 12321da177e4SLinus Torvalds select LOCKD 12331da177e4SLinus Torvalds select SUNRPC 12341da177e4SLinus Torvalds select EXPORTFS 1235f05e15b5SHerbert Xu select NFS_ACL_SUPPORT if NFSD_V2_ACL 12361da177e4SLinus Torvalds help 1237d24455b5SChuck Lever Choose Y here if you want to allow other computers to access 1238d24455b5SChuck Lever files residing on this system using Sun's Network File System 1239d24455b5SChuck Lever protocol. To compile the NFS server support as a module, 1240d24455b5SChuck Lever choose M here: the module will be called nfsd. 12411da177e4SLinus Torvalds 1242d24455b5SChuck Lever You may choose to use a user-space NFS server instead, in which 1243d24455b5SChuck Lever case you can choose N here. 12441da177e4SLinus Torvalds 1245d24455b5SChuck Lever To export local file systems using NFS, you also need to install 1246d24455b5SChuck Lever user space programs which can be found in the Linux nfs-utils 1247d24455b5SChuck Lever package, available from http://linux-nfs.org/. More detail about 1248d24455b5SChuck Lever the Linux NFS server implementation is available via the 1249d24455b5SChuck Lever exports(5) man page. 12501da177e4SLinus Torvalds 1251d24455b5SChuck Lever Below you can choose which versions of the NFS protocol are 1252d24455b5SChuck Lever available to clients mounting the NFS server on this system. 1253d24455b5SChuck Lever Support for NFS version 2 (RFC 1094) is always available when 1254d24455b5SChuck Lever CONFIG_NFSD is selected. 12551da177e4SLinus Torvalds 1256d24455b5SChuck Lever If unsure, say N. 12571da177e4SLinus Torvalds 1258a257cdd0SAndreas Gruenbacherconfig NFSD_V2_ACL 1259a257cdd0SAndreas Gruenbacher bool 1260a257cdd0SAndreas Gruenbacher depends on NFSD 1261a257cdd0SAndreas Gruenbacher 12621da177e4SLinus Torvaldsconfig NFSD_V3 1263d24455b5SChuck Lever bool "NFS server support for NFS version 3" 12641da177e4SLinus Torvalds depends on NFSD 12651da177e4SLinus Torvalds help 1266d24455b5SChuck Lever This option enables support in your system's NFS server for 1267d24455b5SChuck Lever version 3 of the NFS protocol (RFC 1813). 1268d24455b5SChuck Lever 1269d24455b5SChuck Lever If unsure, say Y. 12701da177e4SLinus Torvalds 1271a257cdd0SAndreas Gruenbacherconfig NFSD_V3_ACL 1272d24455b5SChuck Lever bool "NFS server support for the NFSv3 ACL protocol extension" 1273a257cdd0SAndreas Gruenbacher depends on NFSD_V3 127478dd0992SChuck Lever select NFSD_V2_ACL 1275a257cdd0SAndreas Gruenbacher help 1276d24455b5SChuck Lever Solaris NFS servers support an auxiliary NFSv3 ACL protocol that 1277d24455b5SChuck Lever never became an official part of the NFS version 3 protocol. 1278d24455b5SChuck Lever This protocol extension allows applications on NFS clients to 1279d24455b5SChuck Lever manipulate POSIX Access Control Lists on files residing on NFS 1280d24455b5SChuck Lever servers. NFS servers enforce POSIX ACLs on local files whether 1281d24455b5SChuck Lever this protocol is available or not. 1282d24455b5SChuck Lever 1283d24455b5SChuck Lever This option enables support in your system's NFS server for the 1284d24455b5SChuck Lever NFSv3 ACL protocol extension allowing NFS clients to manipulate 1285d24455b5SChuck Lever POSIX ACLs on files exported by your system's NFS server. NFS 1286d24455b5SChuck Lever clients which support the Solaris NFSv3 ACL protocol can then 1287d24455b5SChuck Lever access and modify ACLs on your NFS server. 1288d24455b5SChuck Lever 1289d24455b5SChuck Lever To store ACLs on your NFS server, you also need to enable ACL- 1290d24455b5SChuck Lever related CONFIG options for your local file systems of choice. 1291d24455b5SChuck Lever 1292d24455b5SChuck Lever If unsure, say N. 1293a257cdd0SAndreas Gruenbacher 12941da177e4SLinus Torvaldsconfig NFSD_V4 1295d24455b5SChuck Lever bool "NFS server support for NFS version 4 (EXPERIMENTAL)" 12961a448fdbSChuck Lever depends on NFSD && PROC_FS && EXPERIMENTAL 12971a448fdbSChuck Lever select NFSD_V3 129889206955SChuck Lever select FS_POSIX_ACL 129942ed95c4SJ. Bruce Fields select RPCSEC_GSS_KRB5 13001da177e4SLinus Torvalds help 1301d24455b5SChuck Lever This option enables support in your system's NFS server for 1302d24455b5SChuck Lever version 4 of the NFS protocol (RFC 3530). 1303d24455b5SChuck Lever 1304d24455b5SChuck Lever To export files using NFSv4, you need to install additional user 1305d24455b5SChuck Lever space programs which can be found in the Linux nfs-utils package, 1306d24455b5SChuck Lever available from http://linux-nfs.org/. 1307d24455b5SChuck Lever 13081da177e4SLinus Torvalds If unsure, say N. 13091da177e4SLinus Torvalds 13101da177e4SLinus Torvaldsconfig LOCKD 13111da177e4SLinus Torvalds tristate 13121da177e4SLinus Torvalds 13131da177e4SLinus Torvaldsconfig LOCKD_V4 13141da177e4SLinus Torvalds bool 13151da177e4SLinus Torvalds depends on NFSD_V3 || NFS_V3 13161da177e4SLinus Torvalds default y 13171da177e4SLinus Torvalds 13181da177e4SLinus Torvaldsconfig EXPORTFS 13191da177e4SLinus Torvalds tristate 13201da177e4SLinus Torvalds 1321a257cdd0SAndreas Gruenbacherconfig NFS_ACL_SUPPORT 1322a257cdd0SAndreas Gruenbacher tristate 1323a257cdd0SAndreas Gruenbacher select FS_POSIX_ACL 1324a257cdd0SAndreas Gruenbacher 1325a257cdd0SAndreas Gruenbacherconfig NFS_COMMON 1326a257cdd0SAndreas Gruenbacher bool 1327a257cdd0SAndreas Gruenbacher depends on NFSD || NFS_FS 1328a257cdd0SAndreas Gruenbacher default y 1329a257cdd0SAndreas Gruenbacher 13301da177e4SLinus Torvaldsconfig SUNRPC 13311da177e4SLinus Torvalds tristate 13321da177e4SLinus Torvalds 13331da177e4SLinus Torvaldsconfig SUNRPC_GSS 13341da177e4SLinus Torvalds tristate 13351da177e4SLinus Torvalds 1336c3a57ed7S\"Talpey, Thomas\config SUNRPC_XPRT_RDMA 13373211e4ebSJames Lentini tristate 1338113632d0S\"Talpey, Thomas\ depends on SUNRPC && INFINIBAND && EXPERIMENTAL 13393211e4ebSJames Lentini default SUNRPC && INFINIBAND 1340327a299dSChuck Lever help 1341327a299dSChuck Lever This option enables an RPC client transport capability that 1342327a299dSChuck Lever allows the NFS client to mount servers via an RDMA-enabled 1343327a299dSChuck Lever transport. 1344327a299dSChuck Lever 1345327a299dSChuck Lever To compile RPC client RDMA transport support as a module, 1346327a299dSChuck Lever choose M here: the module will be called xprtrdma. 1347327a299dSChuck Lever 1348327a299dSChuck Lever If unsure, say N. 1349c3a57ed7S\"Talpey, Thomas\ 1350a26cfad6SChuck Leverconfig SUNRPC_REGISTER_V4 1351a26cfad6SChuck Lever bool "Register local RPC services via rpcbind v4 (EXPERIMENTAL)" 1352a26cfad6SChuck Lever depends on SUNRPC && EXPERIMENTAL 1353a26cfad6SChuck Lever default n 1354a26cfad6SChuck Lever help 1355a26cfad6SChuck Lever Sun added support for registering RPC services at an IPv6 1356a26cfad6SChuck Lever address by creating two new versions of the rpcbind protocol 1357a26cfad6SChuck Lever (RFC 1833). 1358a26cfad6SChuck Lever 1359a26cfad6SChuck Lever This option enables support in the kernel RPC server for 1360a26cfad6SChuck Lever registering kernel RPC services via version 4 of the rpcbind 1361a26cfad6SChuck Lever protocol. If you enable this option, you must run a portmapper 1362a26cfad6SChuck Lever daemon that supports rpcbind protocol version 4. 1363a26cfad6SChuck Lever 1364a26cfad6SChuck Lever Serving NFS over IPv6 from knfsd (the kernel's NFS server) 1365a26cfad6SChuck Lever requires that you enable this option and use a portmapper that 1366a26cfad6SChuck Lever supports rpcbind version 4. 1367a26cfad6SChuck Lever 1368a26cfad6SChuck Lever If unsure, say N to get traditional behavior (register kernel 1369a26cfad6SChuck Lever RPC services using only rpcbind version 2). Distributions 1370a26cfad6SChuck Lever using the legacy Linux portmapper daemon must say N here. 1371a26cfad6SChuck Lever 13721da177e4SLinus Torvaldsconfig RPCSEC_GSS_KRB5 13731da177e4SLinus Torvalds tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)" 13741da177e4SLinus Torvalds depends on SUNRPC && EXPERIMENTAL 13751da177e4SLinus Torvalds select SUNRPC_GSS 13761da177e4SLinus Torvalds select CRYPTO 13771da177e4SLinus Torvalds select CRYPTO_MD5 13781da177e4SLinus Torvalds select CRYPTO_DES 1379bcbaecbbSPatrick McHardy select CRYPTO_CBC 13801da177e4SLinus Torvalds help 1381327a299dSChuck Lever Choose Y here to enable Secure RPC using the Kerberos version 5 1382327a299dSChuck Lever GSS-API mechanism (RFC 1964). 13831da177e4SLinus Torvalds 1384327a299dSChuck Lever Secure RPC calls with Kerberos require an auxiliary user-space 1385327a299dSChuck Lever daemon which may be found in the Linux nfs-utils package 1386327a299dSChuck Lever available from http://linux-nfs.org/. In addition, user-space 1387327a299dSChuck Lever Kerberos support should be installed. 13881da177e4SLinus Torvalds 13891da177e4SLinus Torvalds If unsure, say N. 13901da177e4SLinus Torvalds 13911da177e4SLinus Torvaldsconfig RPCSEC_GSS_SPKM3 13921da177e4SLinus Torvalds tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)" 13931da177e4SLinus Torvalds depends on SUNRPC && EXPERIMENTAL 13941da177e4SLinus Torvalds select SUNRPC_GSS 13951da177e4SLinus Torvalds select CRYPTO 13961da177e4SLinus Torvalds select CRYPTO_MD5 13971da177e4SLinus Torvalds select CRYPTO_DES 1398df6db302SJ. Bruce Fields select CRYPTO_CAST5 1399bcbaecbbSPatrick McHardy select CRYPTO_CBC 14001da177e4SLinus Torvalds help 1401327a299dSChuck Lever Choose Y here to enable Secure RPC using the SPKM3 public key 1402327a299dSChuck Lever GSS-API mechansim (RFC 2025). 14031da177e4SLinus Torvalds 1404327a299dSChuck Lever Secure RPC calls with SPKM3 require an auxiliary userspace 1405327a299dSChuck Lever daemon which may be found in the Linux nfs-utils package 1406327a299dSChuck Lever available from http://linux-nfs.org/. 14071da177e4SLinus Torvalds 14081da177e4SLinus Torvalds If unsure, say N. 14091da177e4SLinus Torvalds 14101da177e4SLinus Torvaldsconfig SMB_FS 1411c7736339SAndrew Morton tristate "SMB file system support (OBSOLETE, please use CIFS)" 14121da177e4SLinus Torvalds depends on INET 14131da177e4SLinus Torvalds select NLS 14141da177e4SLinus Torvalds help 14151da177e4SLinus Torvalds SMB (Server Message Block) is the protocol Windows for Workgroups 14161da177e4SLinus Torvalds (WfW), Windows 95/98, Windows NT and OS/2 Lan Manager use to share 14171da177e4SLinus Torvalds files and printers over local networks. Saying Y here allows you to 14181da177e4SLinus Torvalds mount their file systems (often called "shares" in this context) and 14191da177e4SLinus Torvalds access them just like any other Unix directory. Currently, this 14201da177e4SLinus Torvalds works only if the Windows machines use TCP/IP as the underlying 14211da177e4SLinus Torvalds transport protocol, and not NetBEUI. For details, read 14221da177e4SLinus Torvalds <file:Documentation/filesystems/smbfs.txt> and the SMB-HOWTO, 14231da177e4SLinus Torvalds available from <http://www.tldp.org/docs.html#howto>. 14241da177e4SLinus Torvalds 14251da177e4SLinus Torvalds Note: if you just want your box to act as an SMB *server* and make 14261da177e4SLinus Torvalds files and printing services available to Windows clients (which need 14271da177e4SLinus Torvalds to have a TCP/IP stack), you don't need to say Y here; you can use 14281da177e4SLinus Torvalds the program SAMBA (available from <ftp://ftp.samba.org/pub/samba/>) 14291da177e4SLinus Torvalds for that. 14301da177e4SLinus Torvalds 14311da177e4SLinus Torvalds General information about how to connect Linux, Windows machines and 14321da177e4SLinus Torvalds Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. 14331da177e4SLinus Torvalds 1434c7736339SAndrew Morton To compile the SMB support as a module, choose M here: 1435c7736339SAndrew Morton the module will be called smbfs. Most people say N, however. 14361da177e4SLinus Torvalds 14371da177e4SLinus Torvaldsconfig SMB_NLS_DEFAULT 14381da177e4SLinus Torvalds bool "Use a default NLS" 14391da177e4SLinus Torvalds depends on SMB_FS 14401da177e4SLinus Torvalds help 14411da177e4SLinus Torvalds Enabling this will make smbfs use nls translations by default. You 14421da177e4SLinus Torvalds need to specify the local charset (CONFIG_NLS_DEFAULT) in the nls 14431da177e4SLinus Torvalds settings and you need to give the default nls for the SMB server as 14441da177e4SLinus Torvalds CONFIG_SMB_NLS_REMOTE. 14451da177e4SLinus Torvalds 14461da177e4SLinus Torvalds The nls settings can be changed at mount time, if your smbmount 14471da177e4SLinus Torvalds supports that, using the codepage and iocharset parameters. 14481da177e4SLinus Torvalds 14491da177e4SLinus Torvalds smbmount from samba 2.2.0 or later supports this. 14501da177e4SLinus Torvalds 14511da177e4SLinus Torvaldsconfig SMB_NLS_REMOTE 14521da177e4SLinus Torvalds string "Default Remote NLS Option" 14531da177e4SLinus Torvalds depends on SMB_NLS_DEFAULT 14541da177e4SLinus Torvalds default "cp437" 14551da177e4SLinus Torvalds help 14561da177e4SLinus Torvalds This setting allows you to specify a default value for which 14571da177e4SLinus Torvalds codepage the server uses. If this field is left blank no 14581da177e4SLinus Torvalds translations will be done by default. The local codepage/charset 14591da177e4SLinus Torvalds default to CONFIG_NLS_DEFAULT. 14601da177e4SLinus Torvalds 14611da177e4SLinus Torvalds The nls settings can be changed at mount time, if your smbmount 14621da177e4SLinus Torvalds supports that, using the codepage and iocharset parameters. 14631da177e4SLinus Torvalds 14641da177e4SLinus Torvalds smbmount from samba 2.2.0 or later supports this. 14651da177e4SLinus Torvalds 1466bb26b963SAlexey Dobriyansource "fs/cifs/Kconfig" 14676103335dSSteve French 14681da177e4SLinus Torvaldsconfig NCP_FS 14691da177e4SLinus Torvalds tristate "NCP file system support (to mount NetWare volumes)" 14701da177e4SLinus Torvalds depends on IPX!=n || INET 14711da177e4SLinus Torvalds help 14721da177e4SLinus Torvalds NCP (NetWare Core Protocol) is a protocol that runs over IPX and is 14731da177e4SLinus Torvalds used by Novell NetWare clients to talk to file servers. It is to 14741da177e4SLinus Torvalds IPX what NFS is to TCP/IP, if that helps. Saying Y here allows you 14751da177e4SLinus Torvalds to mount NetWare file server volumes and to access them just like 14761da177e4SLinus Torvalds any other Unix directory. For details, please read the file 14771da177e4SLinus Torvalds <file:Documentation/filesystems/ncpfs.txt> in the kernel source and 14781da177e4SLinus Torvalds the IPX-HOWTO from <http://www.tldp.org/docs.html#howto>. 14791da177e4SLinus Torvalds 14801da177e4SLinus Torvalds You do not have to say Y here if you want your Linux box to act as a 14811da177e4SLinus Torvalds file *server* for Novell NetWare clients. 14821da177e4SLinus Torvalds 14831da177e4SLinus Torvalds General information about how to connect Linux, Windows machines and 14841da177e4SLinus Torvalds Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. 14851da177e4SLinus Torvalds 14861da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 14871da177e4SLinus Torvalds ncpfs. Say N unless you are connected to a Novell network. 14881da177e4SLinus Torvalds 14891da177e4SLinus Torvaldssource "fs/ncpfs/Kconfig" 14901da177e4SLinus Torvalds 14911da177e4SLinus Torvaldsconfig CODA_FS 14921da177e4SLinus Torvalds tristate "Coda file system support (advanced network fs)" 14931da177e4SLinus Torvalds depends on INET 14941da177e4SLinus Torvalds help 14951da177e4SLinus Torvalds Coda is an advanced network file system, similar to NFS in that it 14961da177e4SLinus Torvalds enables you to mount file systems of a remote server and access them 14971da177e4SLinus Torvalds with regular Unix commands as if they were sitting on your hard 14981da177e4SLinus Torvalds disk. Coda has several advantages over NFS: support for 14991da177e4SLinus Torvalds disconnected operation (e.g. for laptops), read/write server 15001da177e4SLinus Torvalds replication, security model for authentication and encryption, 15011da177e4SLinus Torvalds persistent client caches and write back caching. 15021da177e4SLinus Torvalds 15031da177e4SLinus Torvalds If you say Y here, your Linux box will be able to act as a Coda 15041da177e4SLinus Torvalds *client*. You will need user level code as well, both for the 15051da177e4SLinus Torvalds client and server. Servers are currently user level, i.e. they need 15061da177e4SLinus Torvalds no kernel support. Please read 15071da177e4SLinus Torvalds <file:Documentation/filesystems/coda.txt> and check out the Coda 15081da177e4SLinus Torvalds home page <http://www.coda.cs.cmu.edu/>. 15091da177e4SLinus Torvalds 15101da177e4SLinus Torvalds To compile the coda client support as a module, choose M here: the 15111da177e4SLinus Torvalds module will be called coda. 15121da177e4SLinus Torvalds 15131da177e4SLinus Torvaldsconfig AFS_FS 151464aaa4f8SDavid Howells tristate "Andrew File System support (AFS) (EXPERIMENTAL)" 15151da177e4SLinus Torvalds depends on INET && EXPERIMENTAL 151608e0e7c8SDavid Howells select AF_RXRPC 15171da177e4SLinus Torvalds help 15181da177e4SLinus Torvalds If you say Y here, you will get an experimental Andrew File System 15191da177e4SLinus Torvalds driver. It currently only supports unsecured read-only AFS access. 15201da177e4SLinus Torvalds 1521cc2e2767SMatt LaPlante See <file:Documentation/filesystems/afs.txt> for more information. 15221da177e4SLinus Torvalds 15231da177e4SLinus Torvalds If unsure, say N. 15241da177e4SLinus Torvalds 152508e0e7c8SDavid Howellsconfig AFS_DEBUG 152608e0e7c8SDavid Howells bool "AFS dynamic debugging" 152708e0e7c8SDavid Howells depends on AFS_FS 152808e0e7c8SDavid Howells help 152908e0e7c8SDavid Howells Say Y here to make runtime controllable debugging messages appear. 153008e0e7c8SDavid Howells 153108e0e7c8SDavid Howells See <file:Documentation/filesystems/afs.txt> for more information. 153208e0e7c8SDavid Howells 153308e0e7c8SDavid Howells If unsure, say N. 153408e0e7c8SDavid Howells 153593fa58cbSEric Van Hensbergenconfig 9P_FS 153693fa58cbSEric Van Hensbergen tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)" 1537bd238fb4SLatchesar Ionkov depends on INET && NET_9P && EXPERIMENTAL 153893fa58cbSEric Van Hensbergen help 153993fa58cbSEric Van Hensbergen If you say Y here, you will get experimental support for 154093fa58cbSEric Van Hensbergen Plan 9 resource sharing via the 9P2000 protocol. 154193fa58cbSEric Van Hensbergen 154293fa58cbSEric Van Hensbergen See <http://v9fs.sf.net> for more information. 154393fa58cbSEric Van Hensbergen 154493fa58cbSEric Van Hensbergen If unsure, say N. 154593fa58cbSEric Van Hensbergen 1546ea0985adSJan Engelhardtendif # NETWORK_FILESYSTEMS 15471da177e4SLinus Torvalds 15489361401eSDavid Howellsif BLOCK 15491da177e4SLinus Torvaldsmenu "Partition Types" 15501da177e4SLinus Torvalds 15511da177e4SLinus Torvaldssource "fs/partitions/Kconfig" 15521da177e4SLinus Torvalds 15531da177e4SLinus Torvaldsendmenu 15549361401eSDavid Howellsendif 15551da177e4SLinus Torvalds 15561da177e4SLinus Torvaldssource "fs/nls/Kconfig" 1557e7fd4179SDavid Teiglandsource "fs/dlm/Kconfig" 15581da177e4SLinus Torvalds 15591da177e4SLinus Torvaldsendmenu 1560