11da177e4SLinus Torvalds# 21da177e4SLinus Torvalds# File system configuration 31da177e4SLinus Torvalds# 41da177e4SLinus Torvalds 51da177e4SLinus Torvaldsmenu "File systems" 61da177e4SLinus Torvalds 79361401eSDavid Howellsif BLOCK 89361401eSDavid Howells 96da0b38fSAlexey Dobriyansource "fs/ext2/Kconfig" 106da0b38fSAlexey Dobriyansource "fs/ext3/Kconfig" 116da0b38fSAlexey Dobriyansource "fs/ext4/Kconfig" 126d79125bSCarsten Otte 136d79125bSCarsten Otteconfig FS_XIP 146d79125bSCarsten Otte# execute in place 156d79125bSCarsten Otte bool 166d79125bSCarsten Otte depends on EXT2_FS_XIP 176d79125bSCarsten Otte default y 186d79125bSCarsten Otte 196da0b38fSAlexey Dobriyansource "fs/jbd/Kconfig" 206da0b38fSAlexey Dobriyansource "fs/jbd2/Kconfig" 21dab291afSMingming Cao 221da177e4SLinus Torvaldsconfig FS_MBCACHE 2302ea2104SMingming Cao# Meta block cache for Extended Attributes (ext2/ext3/ext4) 241da177e4SLinus Torvalds tristate 252c512397SAdrian Bunk default y if EXT2_FS=y && EXT2_FS_XATTR 262c512397SAdrian Bunk default y if EXT3_FS=y && EXT3_FS_XATTR 272c512397SAdrian Bunk default y if EXT4_FS=y && EXT4_FS_XATTR 282c512397SAdrian Bunk default m if EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR 291da177e4SLinus Torvalds 301da177e4SLinus Torvaldsconfig REISERFS_FS 311da177e4SLinus Torvalds tristate "Reiserfs support" 321da177e4SLinus Torvalds help 331da177e4SLinus Torvalds Stores not just filenames but the files themselves in a balanced 34cc2e2767SMatt LaPlante tree. Uses journalling. 351da177e4SLinus Torvalds 361da177e4SLinus Torvalds Balanced trees are more efficient than traditional file system 371da177e4SLinus Torvalds architectural foundations. 381da177e4SLinus Torvalds 391da177e4SLinus Torvalds In general, ReiserFS is as fast as ext2, but is very efficient with 401da177e4SLinus Torvalds large directories and small files. Additional patches are needed 411da177e4SLinus Torvalds for NFS and quotas, please see <http://www.namesys.com/> for links. 421da177e4SLinus Torvalds 431da177e4SLinus Torvalds It is more easily extended to have features currently found in 441da177e4SLinus Torvalds database and keyword search systems than block allocation based file 451da177e4SLinus Torvalds systems are. The next version will be so extended, and will support 461da177e4SLinus Torvalds plugins consistent with our motto ``It takes more than a license to 471da177e4SLinus Torvalds make source code open.'' 481da177e4SLinus Torvalds 491da177e4SLinus Torvalds Read <http://www.namesys.com/> to learn more about reiserfs. 501da177e4SLinus Torvalds 511da177e4SLinus Torvalds Sponsored by Threshold Networks, Emusic.com, and Bigstorage.com. 521da177e4SLinus Torvalds 531da177e4SLinus Torvalds If you like it, you can pay us to add new features to it that you 541da177e4SLinus Torvalds need, buy a support contract, or pay us to port it to another OS. 551da177e4SLinus Torvalds 561da177e4SLinus Torvaldsconfig REISERFS_CHECK 571da177e4SLinus Torvalds bool "Enable reiserfs debug mode" 581da177e4SLinus Torvalds depends on REISERFS_FS 591da177e4SLinus Torvalds help 601da177e4SLinus Torvalds If you set this to Y, then ReiserFS will perform every check it can 611da177e4SLinus Torvalds possibly imagine of its internal consistency throughout its 621da177e4SLinus Torvalds operation. It will also go substantially slower. More than once we 631da177e4SLinus Torvalds have forgotten that this was on, and then gone despondent over the 641da177e4SLinus Torvalds latest benchmarks.:-) Use of this option allows our team to go all 651da177e4SLinus Torvalds out in checking for consistency when debugging without fear of its 661da177e4SLinus Torvalds effect on end users. If you are on the verge of sending in a bug 671da177e4SLinus Torvalds report, say Y and you might get a useful error message. Almost 681da177e4SLinus Torvalds everyone should say N. 691da177e4SLinus Torvalds 701da177e4SLinus Torvaldsconfig REISERFS_PROC_INFO 711da177e4SLinus Torvalds bool "Stats in /proc/fs/reiserfs" 72880ebdc5SRandy Dunlap depends on REISERFS_FS && PROC_FS 731da177e4SLinus Torvalds help 741da177e4SLinus Torvalds Create under /proc/fs/reiserfs a hierarchy of files, displaying 751da177e4SLinus Torvalds various ReiserFS statistics and internal data at the expense of 761da177e4SLinus Torvalds making your kernel or module slightly larger (+8 KB). This also 771da177e4SLinus Torvalds increases the amount of kernel memory required for each mount. 781da177e4SLinus Torvalds Almost everyone but ReiserFS developers and people fine-tuning 791da177e4SLinus Torvalds reiserfs or tracing problems should say N. 801da177e4SLinus Torvalds 811da177e4SLinus Torvaldsconfig REISERFS_FS_XATTR 821da177e4SLinus Torvalds bool "ReiserFS extended attributes" 831da177e4SLinus Torvalds depends on REISERFS_FS 841da177e4SLinus Torvalds help 851da177e4SLinus Torvalds Extended attributes are name:value pairs associated with inodes by 861da177e4SLinus Torvalds the kernel or by users (see the attr(5) manual page, or visit 871da177e4SLinus Torvalds <http://acl.bestbits.at/> for details). 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds If unsure, say N. 901da177e4SLinus Torvalds 911da177e4SLinus Torvaldsconfig REISERFS_FS_POSIX_ACL 921da177e4SLinus Torvalds bool "ReiserFS POSIX Access Control Lists" 931da177e4SLinus Torvalds depends on REISERFS_FS_XATTR 94b84c2157SAndreas Gruenbacher select FS_POSIX_ACL 951da177e4SLinus Torvalds help 961da177e4SLinus Torvalds Posix Access Control Lists (ACLs) support permissions for users and 971da177e4SLinus Torvalds groups beyond the owner/group/world scheme. 981da177e4SLinus Torvalds 991da177e4SLinus Torvalds To learn more about Access Control Lists, visit the Posix ACLs for 1001da177e4SLinus Torvalds Linux website <http://acl.bestbits.at/>. 1011da177e4SLinus Torvalds 1021da177e4SLinus Torvalds If you don't know what Access Control Lists are, say N 1031da177e4SLinus Torvalds 1041da177e4SLinus Torvaldsconfig REISERFS_FS_SECURITY 1051da177e4SLinus Torvalds bool "ReiserFS Security Labels" 1061da177e4SLinus Torvalds depends on REISERFS_FS_XATTR 1071da177e4SLinus Torvalds help 1081da177e4SLinus Torvalds Security labels support alternative access control models 1091da177e4SLinus Torvalds implemented by security modules like SELinux. This option 1101da177e4SLinus Torvalds enables an extended attribute handler for file security 1111da177e4SLinus Torvalds labels in the ReiserFS filesystem. 1121da177e4SLinus Torvalds 1131da177e4SLinus Torvalds If you are not using a security module that requires using 1141da177e4SLinus Torvalds extended attributes for file security labels, say N. 1151da177e4SLinus Torvalds 1161da177e4SLinus Torvaldsconfig JFS_FS 1171da177e4SLinus Torvalds tristate "JFS filesystem support" 1181da177e4SLinus Torvalds select NLS 1191da177e4SLinus Torvalds help 1201da177e4SLinus Torvalds This is a port of IBM's Journaled Filesystem . More information is 1211da177e4SLinus Torvalds available in the file <file:Documentation/filesystems/jfs.txt>. 1221da177e4SLinus Torvalds 1231da177e4SLinus Torvalds If you do not intend to use the JFS filesystem, say N. 1241da177e4SLinus Torvalds 1251da177e4SLinus Torvaldsconfig JFS_POSIX_ACL 1261da177e4SLinus Torvalds bool "JFS POSIX Access Control Lists" 1271da177e4SLinus Torvalds depends on JFS_FS 128b84c2157SAndreas Gruenbacher select FS_POSIX_ACL 1291da177e4SLinus Torvalds help 1301da177e4SLinus Torvalds Posix Access Control Lists (ACLs) support permissions for users and 1311da177e4SLinus Torvalds groups beyond the owner/group/world scheme. 1321da177e4SLinus Torvalds 1331da177e4SLinus Torvalds To learn more about Access Control Lists, visit the Posix ACLs for 1341da177e4SLinus Torvalds Linux website <http://acl.bestbits.at/>. 1351da177e4SLinus Torvalds 1361da177e4SLinus Torvalds If you don't know what Access Control Lists are, say N 1371da177e4SLinus Torvalds 1381da177e4SLinus Torvaldsconfig JFS_SECURITY 1391da177e4SLinus Torvalds bool "JFS Security Labels" 1401da177e4SLinus Torvalds depends on JFS_FS 1411da177e4SLinus Torvalds help 1421da177e4SLinus Torvalds Security labels support alternative access control models 1431da177e4SLinus Torvalds implemented by security modules like SELinux. This option 1441da177e4SLinus Torvalds enables an extended attribute handler for file security 1451da177e4SLinus Torvalds labels in the jfs filesystem. 1461da177e4SLinus Torvalds 1471da177e4SLinus Torvalds If you are not using a security module that requires using 1481da177e4SLinus Torvalds extended attributes for file security labels, say N. 1491da177e4SLinus Torvalds 1501da177e4SLinus Torvaldsconfig JFS_DEBUG 1511da177e4SLinus Torvalds bool "JFS debugging" 1521da177e4SLinus Torvalds depends on JFS_FS 1531da177e4SLinus Torvalds help 1541da177e4SLinus Torvalds If you are experiencing any problems with the JFS filesystem, say 1551da177e4SLinus Torvalds Y here. This will result in additional debugging messages to be 1561da177e4SLinus Torvalds written to the system log. Under normal circumstances, this 1571da177e4SLinus Torvalds results in very little overhead. 1581da177e4SLinus Torvalds 1591da177e4SLinus Torvaldsconfig JFS_STATISTICS 1601da177e4SLinus Torvalds bool "JFS statistics" 1611da177e4SLinus Torvalds depends on JFS_FS 1621da177e4SLinus Torvalds help 1631da177e4SLinus Torvalds Enabling this option will cause statistics from the JFS file system 1641da177e4SLinus Torvalds to be made available to the user in the /proc/fs/jfs/ directory. 1651da177e4SLinus Torvalds 1661da177e4SLinus Torvaldsconfig FS_POSIX_ACL 16789206955SChuck Lever# Posix ACL utility routines (for now, only ext2/ext3/jfs/reiserfs/nfs4) 1681da177e4SLinus Torvalds# 1691da177e4SLinus Torvalds# NOTE: you can implement Posix ACLs without these helpers (XFS does). 1701da177e4SLinus Torvalds# Never use this symbol for ifdefs. 1711da177e4SLinus Torvalds# 1721da177e4SLinus Torvalds bool 173b84c2157SAndreas Gruenbacher default n 1741da177e4SLinus Torvalds 175bfcd17a6SThomas Petazzoniconfig FILE_LOCKING 176bfcd17a6SThomas Petazzoni bool "Enable POSIX file locking API" if EMBEDDED 177bfcd17a6SThomas Petazzoni default y 178bfcd17a6SThomas Petazzoni help 179bfcd17a6SThomas Petazzoni This option enables standard file locking support, required 180bfcd17a6SThomas Petazzoni for filesystems like NFS and for the flock() system 181bfcd17a6SThomas Petazzoni call. Disabling this option saves about 11k. 182bfcd17a6SThomas Petazzoni 1831da177e4SLinus Torvaldssource "fs/xfs/Kconfig" 184f7825dcfSDavid Teiglandsource "fs/gfs2/Kconfig" 1851da177e4SLinus Torvalds 186b4e40a51SMark Fashehconfig OCFS2_FS 18702ed8416SMark Fasheh tristate "OCFS2 file system support" 18802ed8416SMark Fasheh depends on NET && SYSFS 189b4e40a51SMark Fasheh select CONFIGFS_FS 1902b4e30fbSJoel Becker select JBD2 191b4e40a51SMark Fasheh select CRC32 192b4e40a51SMark Fasheh help 193b4e40a51SMark Fasheh OCFS2 is a general purpose extent based shared disk cluster file 194b4e40a51SMark Fasheh system with many similarities to ext3. It supports 64 bit inode 195b4e40a51SMark Fasheh numbers, and has automatically extending metadata groups which may 196b4e40a51SMark Fasheh also make it attractive for non-clustered use. 197b4e40a51SMark Fasheh 198b4e40a51SMark Fasheh You'll want to install the ocfs2-tools package in order to at least 199b4e40a51SMark Fasheh get "mount.ocfs2". 200b4e40a51SMark Fasheh 201b4e40a51SMark Fasheh Project web page: http://oss.oracle.com/projects/ocfs2 202b4e40a51SMark Fasheh Tools web page: http://oss.oracle.com/projects/ocfs2-tools 203b4e40a51SMark Fasheh OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/ 204b4e40a51SMark Fasheh 2051252c434SMark Fasheh For more information on OCFS2, see the file 2061252c434SMark Fasheh <file:Documentation/filesystems/ocfs2.txt>. 207b4e40a51SMark Fasheh 2089341d229SJoel Beckerconfig OCFS2_FS_O2CB 2099341d229SJoel Becker tristate "O2CB Kernelspace Clustering" 2109341d229SJoel Becker depends on OCFS2_FS 2119341d229SJoel Becker default y 2129341d229SJoel Becker help 2139341d229SJoel Becker OCFS2 includes a simple kernelspace clustering package, the OCFS2 2149341d229SJoel Becker Cluster Base. It only requires a very small userspace component 2159341d229SJoel Becker to configure it. This comes with the standard ocfs2-tools package. 2169341d229SJoel Becker O2CB is limited to maintaining a cluster for OCFS2 file systems. 2179341d229SJoel Becker It cannot manage any other cluster applications. 2189341d229SJoel Becker 2199341d229SJoel Becker It is always safe to say Y here, as the clustering method is 2209341d229SJoel Becker run-time selectable. 2219341d229SJoel Becker 2229341d229SJoel Beckerconfig OCFS2_FS_USERSPACE_CLUSTER 2239341d229SJoel Becker tristate "OCFS2 Userspace Clustering" 2249341d229SJoel Becker depends on OCFS2_FS && DLM 2259341d229SJoel Becker default y 2269341d229SJoel Becker help 2279341d229SJoel Becker This option will allow OCFS2 to use userspace clustering services 2289341d229SJoel Becker in conjunction with the DLM in fs/dlm. If you are using a 2299341d229SJoel Becker userspace cluster manager, say Y here. 2309341d229SJoel Becker 2319341d229SJoel Becker It is safe to say Y, as the clustering method is run-time 2329341d229SJoel Becker selectable. 2339341d229SJoel Becker 234ce7231e9SSunil Mushranconfig OCFS2_FS_STATS 235ce7231e9SSunil Mushran bool "OCFS2 statistics" 236ce7231e9SSunil Mushran depends on OCFS2_FS 237ce7231e9SSunil Mushran default y 238ce7231e9SSunil Mushran help 239ce7231e9SSunil Mushran This option allows some fs statistics to be captured. Enabling 240ce7231e9SSunil Mushran this option may increase the memory consumption. 241ce7231e9SSunil Mushran 2422b388c67SJoel Beckerconfig OCFS2_DEBUG_MASKLOG 2432b388c67SJoel Becker bool "OCFS2 logging support" 2442b388c67SJoel Becker depends on OCFS2_FS 2452b388c67SJoel Becker default y 2462b388c67SJoel Becker help 2472b388c67SJoel Becker The ocfs2 filesystem has an extensive logging system. The system 2482b388c67SJoel Becker allows selection of events to log via files in /sys/o2cb/logmask/. 2492b388c67SJoel Becker This option will enlarge your kernel, but it allows debugging of 2502b388c67SJoel Becker ocfs2 filesystem issues. 2512b388c67SJoel Becker 2525a58c3efSJan Karaconfig OCFS2_DEBUG_FS 2535a58c3efSJan Kara bool "OCFS2 expensive checks" 2545a58c3efSJan Kara depends on OCFS2_FS 2555a58c3efSJan Kara default n 2565a58c3efSJan Kara help 2575a58c3efSJan Kara This option will enable expensive consistency checks. Enable 2585a58c3efSJan Kara this option for debugging only as it is likely to decrease 2595a58c3efSJan Kara performance of the filesystem. 2605a58c3efSJan Kara 2612b4e30fbSJoel Beckerconfig OCFS2_COMPAT_JBD 2622b4e30fbSJoel Becker bool "Use JBD for compatibility" 2632b4e30fbSJoel Becker depends on OCFS2_FS 2642b4e30fbSJoel Becker default n 2652b4e30fbSJoel Becker select JBD 2662b4e30fbSJoel Becker help 2672b4e30fbSJoel Becker The ocfs2 filesystem now uses JBD2 for its journalling. JBD2 2682b4e30fbSJoel Becker is backwards compatible with JBD. It is safe to say N here. 2692b4e30fbSJoel Becker However, if you really want to use the original JBD, say Y here. 2702b4e30fbSJoel Becker 27125fad945SRandy Dunlapendif # BLOCK 27225fad945SRandy Dunlap 273272eb014SEric Parissource "fs/notify/Kconfig" 2742d9048e2SAmy Griffis 2751da177e4SLinus Torvaldsconfig QUOTA 2761da177e4SLinus Torvalds bool "Quota support" 2771da177e4SLinus Torvalds help 2781da177e4SLinus Torvalds If you say Y here, you will be able to set per user limits for disk 2791da177e4SLinus Torvalds usage (also called disk quotas). Currently, it works for the 2801da177e4SLinus Torvalds ext2, ext3, and reiserfs file system. ext3 also supports journalled 2811da177e4SLinus Torvalds quotas for which you don't need to run quotacheck(8) after an unclean 282919532a5SAdrian Bunk shutdown. 283919532a5SAdrian Bunk For further details, read the Quota mini-HOWTO, available from 2841da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, or the documentation provided 2851da177e4SLinus Torvalds with the quota tools. Probably the quota support is only useful for 2861da177e4SLinus Torvalds multi user systems. If unsure, say N. 2871da177e4SLinus Torvalds 2888e893469SJan Karaconfig QUOTA_NETLINK_INTERFACE 2898e893469SJan Kara bool "Report quota messages through netlink interface" 2908e893469SJan Kara depends on QUOTA && NET 2918e893469SJan Kara help 2928e893469SJan Kara If you say Y here, quota warnings (about exceeding softlimit, reaching 2938e893469SJan Kara hardlimit, etc.) will be reported through netlink interface. If unsure, 2948e893469SJan Kara say Y. 2958e893469SJan Kara 2968e893469SJan Karaconfig PRINT_QUOTA_WARNING 2978e893469SJan Kara bool "Print quota warnings to console (OBSOLETE)" 2988e893469SJan Kara depends on QUOTA 2998e893469SJan Kara default y 3008e893469SJan Kara help 3018e893469SJan Kara If you say Y here, quota warnings (about exceeding softlimit, reaching 3028e893469SJan Kara hardlimit, etc.) will be printed to the process' controlling terminal. 3038e893469SJan Kara Note that this behavior is currently deprecated and may go away in 3048e893469SJan Kara future. Please use notification via netlink socket instead. 3058e893469SJan Kara 3061da177e4SLinus Torvaldsconfig QFMT_V1 3071da177e4SLinus Torvalds tristate "Old quota format support" 3081da177e4SLinus Torvalds depends on QUOTA 3091da177e4SLinus Torvalds help 3101da177e4SLinus Torvalds This quota format was (is) used by kernels earlier than 2.4.22. If 3111da177e4SLinus Torvalds you have quota working and you don't want to convert to new quota 3121da177e4SLinus Torvalds format say Y here. 3131da177e4SLinus Torvalds 3141da177e4SLinus Torvaldsconfig QFMT_V2 3151da177e4SLinus Torvalds tristate "Quota format v2 support" 3161da177e4SLinus Torvalds depends on QUOTA 3171da177e4SLinus Torvalds help 3181da177e4SLinus Torvalds This quota format allows using quotas with 32-bit UIDs/GIDs. If you 319919532a5SAdrian Bunk need this functionality say Y here. 3201da177e4SLinus Torvalds 3211da177e4SLinus Torvaldsconfig QUOTACTL 3221da177e4SLinus Torvalds bool 3231da177e4SLinus Torvalds depends on XFS_QUOTA || QUOTA 3241da177e4SLinus Torvalds default y 3251da177e4SLinus Torvalds 3261da177e4SLinus Torvaldsconfig AUTOFS_FS 3271da177e4SLinus Torvalds tristate "Kernel automounter support" 3281da177e4SLinus Torvalds help 3291da177e4SLinus Torvalds The automounter is a tool to automatically mount remote file systems 3301da177e4SLinus Torvalds on demand. This implementation is partially kernel-based to reduce 3311da177e4SLinus Torvalds overhead in the already-mounted case; this is unlike the BSD 3321da177e4SLinus Torvalds automounter (amd), which is a pure user space daemon. 3331da177e4SLinus Torvalds 3341da177e4SLinus Torvalds To use the automounter you need the user-space tools from the autofs 3351da177e4SLinus Torvalds package; you can find the location in <file:Documentation/Changes>. 3361da177e4SLinus Torvalds You also want to answer Y to "NFS file system support", below. 3371da177e4SLinus Torvalds 3381da177e4SLinus Torvalds If you want to use the newer version of the automounter with more 3391da177e4SLinus Torvalds features, say N here and say Y to "Kernel automounter v4 support", 3401da177e4SLinus Torvalds below. 3411da177e4SLinus Torvalds 3421da177e4SLinus Torvalds To compile this support as a module, choose M here: the module will be 3431da177e4SLinus Torvalds called autofs. 3441da177e4SLinus Torvalds 3451da177e4SLinus Torvalds If you are not a part of a fairly large, distributed network, you 3461da177e4SLinus Torvalds probably do not need an automounter, and can say N here. 3471da177e4SLinus Torvalds 3481da177e4SLinus Torvaldsconfig AUTOFS4_FS 3491da177e4SLinus Torvalds tristate "Kernel automounter version 4 support (also supports v3)" 3501da177e4SLinus Torvalds help 3511da177e4SLinus Torvalds The automounter is a tool to automatically mount remote file systems 3521da177e4SLinus Torvalds on demand. This implementation is partially kernel-based to reduce 3531da177e4SLinus Torvalds overhead in the already-mounted case; this is unlike the BSD 3541da177e4SLinus Torvalds automounter (amd), which is a pure user space daemon. 3551da177e4SLinus Torvalds 3561da177e4SLinus Torvalds To use the automounter you need the user-space tools from 3571da177e4SLinus Torvalds <ftp://ftp.kernel.org/pub/linux/daemons/autofs/v4/>; you also 3581da177e4SLinus Torvalds want to answer Y to "NFS file system support", below. 3591da177e4SLinus Torvalds 3601da177e4SLinus Torvalds To compile this support as a module, choose M here: the module will be 3611da177e4SLinus Torvalds called autofs4. You will need to add "alias autofs autofs4" to your 3621da177e4SLinus Torvalds modules configuration file. 3631da177e4SLinus Torvalds 3641da177e4SLinus Torvalds If you are not a part of a fairly large, distributed network or 3651da177e4SLinus Torvalds don't have a laptop which needs to dynamically reconfigure to the 3661da177e4SLinus Torvalds local network, you probably do not need an automounter, and can say 3671da177e4SLinus Torvalds N here. 3681da177e4SLinus Torvalds 36904578f17SMiklos Szerediconfig FUSE_FS 37037194d07SRobert P. J. Day tristate "FUSE (Filesystem in Userspace) support" 37104578f17SMiklos Szeredi help 37204578f17SMiklos Szeredi With FUSE it is possible to implement a fully functional filesystem 37304578f17SMiklos Szeredi in a userspace program. 37404578f17SMiklos Szeredi 37504578f17SMiklos Szeredi There's also companion library: libfuse. This library along with 37604578f17SMiklos Szeredi utilities is available from the FUSE homepage: 37704578f17SMiklos Szeredi <http://fuse.sourceforge.net/> 37804578f17SMiklos Szeredi 379909021eaSMiklos Szeredi See <file:Documentation/filesystems/fuse.txt> for more information. 380909021eaSMiklos Szeredi See <file:Documentation/Changes> for needed library/utility version. 381909021eaSMiklos Szeredi 38204578f17SMiklos Szeredi If you want to develop a userspace FS, or if you want to use 38304578f17SMiklos Szeredi a filesystem based on FUSE, answer Y or M. 38404578f17SMiklos Szeredi 385f2fbc6c2SRandy Dunlapconfig GENERIC_ACL 386f2fbc6c2SRandy Dunlap bool 387f2fbc6c2SRandy Dunlap select FS_POSIX_ACL 388f2fbc6c2SRandy Dunlap 3899361401eSDavid Howellsif BLOCK 3901da177e4SLinus Torvaldsmenu "CD-ROM/DVD Filesystems" 3911da177e4SLinus Torvalds 3921da177e4SLinus Torvaldsconfig ISO9660_FS 3931da177e4SLinus Torvalds tristate "ISO 9660 CDROM file system support" 3941da177e4SLinus Torvalds help 3951da177e4SLinus Torvalds This is the standard file system used on CD-ROMs. It was previously 3961da177e4SLinus Torvalds known as "High Sierra File System" and is called "hsfs" on other 3971da177e4SLinus Torvalds Unix systems. The so-called Rock-Ridge extensions which allow for 3981da177e4SLinus Torvalds long Unix filenames and symbolic links are also supported by this 3991da177e4SLinus Torvalds driver. If you have a CD-ROM drive and want to do more with it than 4001da177e4SLinus Torvalds just listen to audio CDs and watch its LEDs, say Y (and read 4011da177e4SLinus Torvalds <file:Documentation/filesystems/isofs.txt> and the CD-ROM-HOWTO, 4021da177e4SLinus Torvalds available from <http://www.tldp.org/docs.html#howto>), thereby 4031da177e4SLinus Torvalds enlarging your kernel by about 27 KB; otherwise say N. 4041da177e4SLinus Torvalds 4051da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 4061da177e4SLinus Torvalds module will be called isofs. 4071da177e4SLinus Torvalds 4081da177e4SLinus Torvaldsconfig JOLIET 4091da177e4SLinus Torvalds bool "Microsoft Joliet CDROM extensions" 4101da177e4SLinus Torvalds depends on ISO9660_FS 4111da177e4SLinus Torvalds select NLS 4121da177e4SLinus Torvalds help 4131da177e4SLinus Torvalds Joliet is a Microsoft extension for the ISO 9660 CD-ROM file system 4141da177e4SLinus Torvalds which allows for long filenames in unicode format (unicode is the 4151da177e4SLinus Torvalds new 16 bit character code, successor to ASCII, which encodes the 4161da177e4SLinus Torvalds characters of almost all languages of the world; see 4171da177e4SLinus Torvalds <http://www.unicode.org/> for more information). Say Y here if you 4181da177e4SLinus Torvalds want to be able to read Joliet CD-ROMs under Linux. 4191da177e4SLinus Torvalds 4201da177e4SLinus Torvaldsconfig ZISOFS 4211da177e4SLinus Torvalds bool "Transparent decompression extension" 4221da177e4SLinus Torvalds depends on ISO9660_FS 4231da177e4SLinus Torvalds select ZLIB_INFLATE 4241da177e4SLinus Torvalds help 4251da177e4SLinus Torvalds This is a Linux-specific extension to RockRidge which lets you store 4261da177e4SLinus Torvalds data in compressed form on a CD-ROM and have it transparently 4271da177e4SLinus Torvalds decompressed when the CD-ROM is accessed. See 4281da177e4SLinus Torvalds <http://www.kernel.org/pub/linux/utils/fs/zisofs/> for the tools 4291da177e4SLinus Torvalds necessary to create such a filesystem. Say Y here if you want to be 4301da177e4SLinus Torvalds able to read such compressed CD-ROMs. 4311da177e4SLinus Torvalds 4321da177e4SLinus Torvaldsconfig UDF_FS 4331da177e4SLinus Torvalds tristate "UDF file system support" 434f845fcedSBob Copeland select CRC_ITU_T 4351da177e4SLinus Torvalds help 4361da177e4SLinus Torvalds This is the new file system used on some CD-ROMs and DVDs. Say Y if 4371da177e4SLinus Torvalds you intend to mount DVD discs or CDRW's written in packet mode, or 4381da177e4SLinus Torvalds if written to by other UDF utilities, such as DirectCD. 4391da177e4SLinus Torvalds Please read <file:Documentation/filesystems/udf.txt>. 4401da177e4SLinus Torvalds 4411da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 4421da177e4SLinus Torvalds module will be called udf. 4431da177e4SLinus Torvalds 4441da177e4SLinus Torvalds If unsure, say N. 4451da177e4SLinus Torvalds 4461da177e4SLinus Torvaldsconfig UDF_NLS 4471da177e4SLinus Torvalds bool 4481da177e4SLinus Torvalds default y 4491da177e4SLinus Torvalds depends on (UDF_FS=m && NLS) || (UDF_FS=y && NLS=y) 4501da177e4SLinus Torvalds 4511da177e4SLinus Torvaldsendmenu 45225fad945SRandy Dunlapendif # BLOCK 4531da177e4SLinus Torvalds 4549361401eSDavid Howellsif BLOCK 4551da177e4SLinus Torvaldsmenu "DOS/FAT/NT Filesystems" 4561da177e4SLinus Torvalds 4571da177e4SLinus Torvaldsconfig FAT_FS 4581da177e4SLinus Torvalds tristate 4591da177e4SLinus Torvalds select NLS 4601da177e4SLinus Torvalds help 4611da177e4SLinus Torvalds If you want to use one of the FAT-based file systems (the MS-DOS and 4621da177e4SLinus Torvalds VFAT (Windows 95) file systems), then you must say Y or M here 4631da177e4SLinus Torvalds to include FAT support. You will then be able to mount partitions or 4641da177e4SLinus Torvalds diskettes with FAT-based file systems and transparently access the 4651da177e4SLinus Torvalds files on them, i.e. MSDOS files will look and behave just like all 4661da177e4SLinus Torvalds other Unix files. 4671da177e4SLinus Torvalds 4681da177e4SLinus Torvalds This FAT support is not a file system in itself, it only provides 4691da177e4SLinus Torvalds the foundation for the other file systems. You will have to say Y or 4701da177e4SLinus Torvalds M to at least one of "MSDOS fs support" or "VFAT fs support" in 4711da177e4SLinus Torvalds order to make use of it. 4721da177e4SLinus Torvalds 4731da177e4SLinus Torvalds Another way to read and write MSDOS floppies and hard drive 4741da177e4SLinus Torvalds partitions from within Linux (but not transparently) is with the 4751da177e4SLinus Torvalds mtools ("man mtools") program suite. You don't need to say Y here in 4761da177e4SLinus Torvalds order to do that. 4771da177e4SLinus Torvalds 4781da177e4SLinus Torvalds If you need to move large files on floppies between a DOS and a 4791da177e4SLinus Torvalds Linux box, say Y here, mount the floppy under Linux with an MSDOS 4801da177e4SLinus Torvalds file system and use GNU tar's M option. GNU tar is a program 4811da177e4SLinus Torvalds available for Unix and DOS ("man tar" or "info tar"). 4821da177e4SLinus Torvalds 4831da177e4SLinus Torvalds The FAT support will enlarge your kernel by about 37 KB. If unsure, 4841da177e4SLinus Torvalds say Y. 4851da177e4SLinus Torvalds 4861da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 4871da177e4SLinus Torvalds fat. Note that if you compile the FAT support as a module, you 4881da177e4SLinus Torvalds cannot compile any of the FAT-based file systems into the kernel 4891da177e4SLinus Torvalds -- they will have to be modules as well. 4901da177e4SLinus Torvalds 4911da177e4SLinus Torvaldsconfig MSDOS_FS 4921da177e4SLinus Torvalds tristate "MSDOS fs support" 4931da177e4SLinus Torvalds select FAT_FS 4941da177e4SLinus Torvalds help 4951da177e4SLinus Torvalds This allows you to mount MSDOS partitions of your hard drive (unless 4961da177e4SLinus Torvalds they are compressed; to access compressed MSDOS partitions under 4971da177e4SLinus Torvalds Linux, you can either use the DOS emulator DOSEMU, described in the 4981da177e4SLinus Torvalds DOSEMU-HOWTO, available from 4991da177e4SLinus Torvalds <http://www.tldp.org/docs.html#howto>, or try dmsdosfs in 5001da177e4SLinus Torvalds <ftp://ibiblio.org/pub/Linux/system/filesystems/dosfs/>. If you 5011da177e4SLinus Torvalds intend to use dosemu with a non-compressed MSDOS partition, say Y 5021da177e4SLinus Torvalds here) and MSDOS floppies. This means that file access becomes 5031da177e4SLinus Torvalds transparent, i.e. the MSDOS files look and behave just like all 5041da177e4SLinus Torvalds other Unix files. 5051da177e4SLinus Torvalds 5061da177e4SLinus Torvalds If you have Windows 95 or Windows NT installed on your MSDOS 5071da177e4SLinus Torvalds partitions, you should use the VFAT file system (say Y to "VFAT fs 5081da177e4SLinus Torvalds support" below), or you will not be able to see the long filenames 5091da177e4SLinus Torvalds generated by Windows 95 / Windows NT. 5101da177e4SLinus Torvalds 5111da177e4SLinus Torvalds This option will enlarge your kernel by about 7 KB. If unsure, 5121da177e4SLinus Torvalds answer Y. This will only work if you said Y to "DOS FAT fs support" 5131da177e4SLinus Torvalds as well. To compile this as a module, choose M here: the module will 5141da177e4SLinus Torvalds be called msdos. 5151da177e4SLinus Torvalds 5161da177e4SLinus Torvaldsconfig VFAT_FS 5171da177e4SLinus Torvalds tristate "VFAT (Windows-95) fs support" 5181da177e4SLinus Torvalds select FAT_FS 5191da177e4SLinus Torvalds help 5201da177e4SLinus Torvalds This option provides support for normal Windows file systems with 5211da177e4SLinus Torvalds long filenames. That includes non-compressed FAT-based file systems 5221da177e4SLinus Torvalds used by Windows 95, Windows 98, Windows NT 4.0, and the Unix 5231da177e4SLinus Torvalds programs from the mtools package. 5241da177e4SLinus Torvalds 5251da177e4SLinus Torvalds The VFAT support enlarges your kernel by about 10 KB and it only 5261da177e4SLinus Torvalds works if you said Y to the "DOS FAT fs support" above. Please read 5271da177e4SLinus Torvalds the file <file:Documentation/filesystems/vfat.txt> for details. If 5281da177e4SLinus Torvalds unsure, say Y. 5291da177e4SLinus Torvalds 5301da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 5311da177e4SLinus Torvalds vfat. 5321da177e4SLinus Torvalds 5331da177e4SLinus Torvaldsconfig FAT_DEFAULT_CODEPAGE 5341da177e4SLinus Torvalds int "Default codepage for FAT" 5351da177e4SLinus Torvalds depends on MSDOS_FS || VFAT_FS 5361da177e4SLinus Torvalds default 437 5371da177e4SLinus Torvalds help 5381da177e4SLinus Torvalds This option should be set to the codepage of your FAT filesystems. 5391da177e4SLinus Torvalds It can be overridden with the "codepage" mount option. 5401da177e4SLinus Torvalds See <file:Documentation/filesystems/vfat.txt> for more information. 5411da177e4SLinus Torvalds 5421da177e4SLinus Torvaldsconfig FAT_DEFAULT_IOCHARSET 5431da177e4SLinus Torvalds string "Default iocharset for FAT" 5441da177e4SLinus Torvalds depends on VFAT_FS 5451da177e4SLinus Torvalds default "iso8859-1" 5461da177e4SLinus Torvalds help 5471da177e4SLinus Torvalds Set this to the default input/output character set you'd 5481da177e4SLinus Torvalds like FAT to use. It should probably match the character set 5491da177e4SLinus Torvalds that most of your FAT filesystems use, and can be overridden 5501da177e4SLinus Torvalds with the "iocharset" mount option for FAT filesystems. 5511da177e4SLinus Torvalds Note that "utf8" is not recommended for FAT filesystems. 5521da177e4SLinus Torvalds If unsure, you shouldn't set "utf8" here. 5531da177e4SLinus Torvalds See <file:Documentation/filesystems/vfat.txt> for more information. 5541da177e4SLinus Torvalds 5551da177e4SLinus Torvaldsconfig NTFS_FS 5561da177e4SLinus Torvalds tristate "NTFS file system support" 5571da177e4SLinus Torvalds select NLS 5581da177e4SLinus Torvalds help 5591da177e4SLinus Torvalds NTFS is the file system of Microsoft Windows NT, 2000, XP and 2003. 5601da177e4SLinus Torvalds 5611da177e4SLinus Torvalds Saying Y or M here enables read support. There is partial, but 5621da177e4SLinus Torvalds safe, write support available. For write support you must also 5631da177e4SLinus Torvalds say Y to "NTFS write support" below. 5641da177e4SLinus Torvalds 5651da177e4SLinus Torvalds There are also a number of user-space tools available, called 5661da177e4SLinus Torvalds ntfsprogs. These include ntfsundelete and ntfsresize, that work 5671da177e4SLinus Torvalds without NTFS support enabled in the kernel. 5681da177e4SLinus Torvalds 5691da177e4SLinus Torvalds This is a rewrite from scratch of Linux NTFS support and replaced 5701da177e4SLinus Torvalds the old NTFS code starting with Linux 2.5.11. A backport to 5711da177e4SLinus Torvalds the Linux 2.4 kernel series is separately available as a patch 5721da177e4SLinus Torvalds from the project web site. 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds For more information see <file:Documentation/filesystems/ntfs.txt> 575337e2ab5SJess Guerrero and <http://www.linux-ntfs.org/>. 5761da177e4SLinus Torvalds 5771da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 5781da177e4SLinus Torvalds module will be called ntfs. 5791da177e4SLinus Torvalds 5801da177e4SLinus Torvalds If you are not using Windows NT, 2000, XP or 2003 in addition to 5811da177e4SLinus Torvalds Linux on your computer it is safe to say N. 5821da177e4SLinus Torvalds 5831da177e4SLinus Torvaldsconfig NTFS_DEBUG 5841da177e4SLinus Torvalds bool "NTFS debugging support" 5851da177e4SLinus Torvalds depends on NTFS_FS 5861da177e4SLinus Torvalds help 5871da177e4SLinus Torvalds If you are experiencing any problems with the NTFS file system, say 5881da177e4SLinus Torvalds Y here. This will result in additional consistency checks to be 5891da177e4SLinus Torvalds performed by the driver as well as additional debugging messages to 5901da177e4SLinus Torvalds be written to the system log. Note that debugging messages are 5911da177e4SLinus Torvalds disabled by default. To enable them, supply the option debug_msgs=1 5921da177e4SLinus Torvalds at the kernel command line when booting the kernel or as an option 5931da177e4SLinus Torvalds to insmod when loading the ntfs module. Once the driver is active, 5941da177e4SLinus Torvalds you can enable debugging messages by doing (as root): 5951da177e4SLinus Torvalds echo 1 > /proc/sys/fs/ntfs-debug 5961da177e4SLinus Torvalds Replacing the "1" with "0" would disable debug messages. 5971da177e4SLinus Torvalds 5981da177e4SLinus Torvalds If you leave debugging messages disabled, this results in little 5991da177e4SLinus Torvalds overhead, but enabling debug messages results in very significant 6001da177e4SLinus Torvalds slowdown of the system. 6011da177e4SLinus Torvalds 6021da177e4SLinus Torvalds When reporting bugs, please try to have available a full dump of 6031da177e4SLinus Torvalds debugging messages while the misbehaviour was occurring. 6041da177e4SLinus Torvalds 6051da177e4SLinus Torvaldsconfig NTFS_RW 6061da177e4SLinus Torvalds bool "NTFS write support" 6071da177e4SLinus Torvalds depends on NTFS_FS 6081da177e4SLinus Torvalds help 6091da177e4SLinus Torvalds This enables the partial, but safe, write support in the NTFS driver. 6101da177e4SLinus Torvalds 6111da177e4SLinus Torvalds The only supported operation is overwriting existing files, without 6121da177e4SLinus Torvalds changing the file length. No file or directory creation, deletion or 6131da177e4SLinus Torvalds renaming is possible. Note only non-resident files can be written to 6141da177e4SLinus Torvalds so you may find that some very small files (<500 bytes or so) cannot 6151da177e4SLinus Torvalds be written to. 6161da177e4SLinus Torvalds 6171da177e4SLinus Torvalds While we cannot guarantee that it will not damage any data, we have 6181da177e4SLinus Torvalds so far not received a single report where the driver would have 6191da177e4SLinus Torvalds damaged someones data so we assume it is perfectly safe to use. 6201da177e4SLinus Torvalds 6211da177e4SLinus Torvalds Note: While write support is safe in this version (a rewrite from 6221da177e4SLinus Torvalds scratch of the NTFS support), it should be noted that the old NTFS 6231da177e4SLinus Torvalds write support, included in Linux 2.5.10 and before (since 1997), 6241da177e4SLinus Torvalds is not safe. 6251da177e4SLinus Torvalds 6261da177e4SLinus Torvalds This is currently useful with TopologiLinux. TopologiLinux is run 6271da177e4SLinus Torvalds on top of any DOS/Microsoft Windows system without partitioning your 6281da177e4SLinus Torvalds hard disk. Unlike other Linux distributions TopologiLinux does not 6291da177e4SLinus Torvalds need its own partition. For more information see 6301da177e4SLinus Torvalds <http://topologi-linux.sourceforge.net/> 6311da177e4SLinus Torvalds 6321da177e4SLinus Torvalds It is perfectly safe to say N here. 6331da177e4SLinus Torvalds 6341da177e4SLinus Torvaldsendmenu 63525fad945SRandy Dunlapendif # BLOCK 6361da177e4SLinus Torvalds 6371da177e4SLinus Torvaldsmenu "Pseudo filesystems" 6381da177e4SLinus Torvalds 6396eedf8d3SAlexey Dobriyansource "fs/proc/Kconfig" 640b89a8171SEric W. Biederman 6411da177e4SLinus Torvaldsconfig SYSFS 6421da177e4SLinus Torvalds bool "sysfs file system support" if EMBEDDED 6431da177e4SLinus Torvalds default y 6441da177e4SLinus Torvalds help 6451da177e4SLinus Torvalds The sysfs filesystem is a virtual filesystem that the kernel uses to 6461da177e4SLinus Torvalds export internal kernel objects, their attributes, and their 6471da177e4SLinus Torvalds relationships to one another. 6481da177e4SLinus Torvalds 6491da177e4SLinus Torvalds Users can use sysfs to ascertain useful information about the running 6501da177e4SLinus Torvalds kernel, such as the devices the kernel has discovered on each bus and 6511da177e4SLinus Torvalds which driver each is bound to. sysfs can also be used to tune devices 6521da177e4SLinus Torvalds and other kernel subsystems. 6531da177e4SLinus Torvalds 6541da177e4SLinus Torvalds Some system agents rely on the information in sysfs to operate. 6551da177e4SLinus Torvalds /sbin/hotplug uses device and object attributes in sysfs to assist in 65603a67a46SJan Engelhardt delegating policy decisions, like persistently naming devices. 6571da177e4SLinus Torvalds 6581da177e4SLinus Torvalds sysfs is currently used by the block subsystem to mount the root 6591da177e4SLinus Torvalds partition. If sysfs is disabled you must specify the boot device on 6601da177e4SLinus Torvalds the kernel boot command line via its major and minor numbers. For 6611da177e4SLinus Torvalds example, "root=03:01" for /dev/hda1. 6621da177e4SLinus Torvalds 6631da177e4SLinus Torvalds Designers of embedded systems may wish to say N here to conserve space. 6641da177e4SLinus Torvalds 6651da177e4SLinus Torvaldsconfig TMPFS 6661da177e4SLinus Torvalds bool "Virtual memory file system support (former shm fs)" 6671da177e4SLinus Torvalds help 6681da177e4SLinus Torvalds Tmpfs is a file system which keeps all files in virtual memory. 6691da177e4SLinus Torvalds 6701da177e4SLinus Torvalds Everything in tmpfs is temporary in the sense that no files will be 6711da177e4SLinus Torvalds created on your hard drive. The files live in memory and swap 6721da177e4SLinus Torvalds space. If you unmount a tmpfs instance, everything stored therein is 6731da177e4SLinus Torvalds lost. 6741da177e4SLinus Torvalds 6751da177e4SLinus Torvalds See <file:Documentation/filesystems/tmpfs.txt> for details. 6761da177e4SLinus Torvalds 67739f0247dSAndreas Gruenbacherconfig TMPFS_POSIX_ACL 67839f0247dSAndreas Gruenbacher bool "Tmpfs POSIX Access Control Lists" 67939f0247dSAndreas Gruenbacher depends on TMPFS 68039f0247dSAndreas Gruenbacher select GENERIC_ACL 68139f0247dSAndreas Gruenbacher help 68239f0247dSAndreas Gruenbacher POSIX Access Control Lists (ACLs) support permissions for users and 68339f0247dSAndreas Gruenbacher groups beyond the owner/group/world scheme. 68439f0247dSAndreas Gruenbacher 68539f0247dSAndreas Gruenbacher To learn more about Access Control Lists, visit the POSIX ACLs for 68639f0247dSAndreas Gruenbacher Linux website <http://acl.bestbits.at/>. 68739f0247dSAndreas Gruenbacher 68839f0247dSAndreas Gruenbacher If you don't know what Access Control Lists are, say N. 68939f0247dSAndreas Gruenbacher 6901da177e4SLinus Torvaldsconfig HUGETLBFS 6911da177e4SLinus Torvalds bool "HugeTLB file system support" 69253492b1dSGerald Schaefer depends on X86 || IA64 || PPC64 || SPARC64 || (SUPERH && MMU) || \ 69353492b1dSGerald Schaefer (S390 && 64BIT) || BROKEN 694dda27d1aSArthur Othieno help 695dda27d1aSArthur Othieno hugetlbfs is a filesystem backing for HugeTLB pages, based on 696dda27d1aSArthur Othieno ramfs. For architectures that support it, say Y here and read 697dda27d1aSArthur Othieno <file:Documentation/vm/hugetlbpage.txt> for details. 698dda27d1aSArthur Othieno 699dda27d1aSArthur Othieno If unsure, say N. 7001da177e4SLinus Torvalds 7011da177e4SLinus Torvaldsconfig HUGETLB_PAGE 7021da177e4SLinus Torvalds def_bool HUGETLBFS 7031da177e4SLinus Torvalds 7047063fbf2SJoel Beckerconfig CONFIGFS_FS 70502ac0499SJoel Becker tristate "Userspace-driven configuration filesystem" 70602ac0499SJoel Becker depends on SYSFS 7077063fbf2SJoel Becker help 7087063fbf2SJoel Becker configfs is a ram-based filesystem that provides the converse 7097063fbf2SJoel Becker of sysfs's functionality. Where sysfs is a filesystem-based 7107063fbf2SJoel Becker view of kernel objects, configfs is a filesystem-based manager 7117063fbf2SJoel Becker of kernel objects, or config_items. 7127063fbf2SJoel Becker 7137063fbf2SJoel Becker Both sysfs and configfs can and should exist together on the 7147063fbf2SJoel Becker same system. One is not a replacement for the other. 7157063fbf2SJoel Becker 7161da177e4SLinus Torvaldsendmenu 7171da177e4SLinus Torvalds 7181da177e4SLinus Torvaldsmenu "Miscellaneous filesystems" 7191da177e4SLinus Torvalds 7201da177e4SLinus Torvaldsconfig ADFS_FS 7211da177e4SLinus Torvalds tristate "ADFS file system support (EXPERIMENTAL)" 7229361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 7231da177e4SLinus Torvalds help 7241da177e4SLinus Torvalds The Acorn Disc Filing System is the standard file system of the 7251da177e4SLinus Torvalds RiscOS operating system which runs on Acorn's ARM-based Risc PC 7261da177e4SLinus Torvalds systems and the Acorn Archimedes range of machines. If you say Y 7271da177e4SLinus Torvalds here, Linux will be able to read from ADFS partitions on hard drives 7281da177e4SLinus Torvalds and from ADFS-formatted floppy discs. If you also want to be able to 7291da177e4SLinus Torvalds write to those devices, say Y to "ADFS write support" below. 7301da177e4SLinus Torvalds 7311da177e4SLinus Torvalds The ADFS partition should be the first partition (i.e., 7321da177e4SLinus Torvalds /dev/[hs]d?1) on each of your drives. Please read the file 7331da177e4SLinus Torvalds <file:Documentation/filesystems/adfs.txt> for further details. 7341da177e4SLinus Torvalds 7351da177e4SLinus Torvalds To compile this code as a module, choose M here: the module will be 7361da177e4SLinus Torvalds called adfs. 7371da177e4SLinus Torvalds 7381da177e4SLinus Torvalds If unsure, say N. 7391da177e4SLinus Torvalds 7401da177e4SLinus Torvaldsconfig ADFS_FS_RW 7411da177e4SLinus Torvalds bool "ADFS write support (DANGEROUS)" 7421da177e4SLinus Torvalds depends on ADFS_FS 7431da177e4SLinus Torvalds help 7441da177e4SLinus Torvalds If you say Y here, you will be able to write to ADFS partitions on 7451da177e4SLinus Torvalds hard drives and ADFS-formatted floppy disks. This is experimental 7461da177e4SLinus Torvalds codes, so if you're unsure, say N. 7471da177e4SLinus Torvalds 7481da177e4SLinus Torvaldsconfig AFFS_FS 7491da177e4SLinus Torvalds tristate "Amiga FFS file system support (EXPERIMENTAL)" 7509361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 7511da177e4SLinus Torvalds help 7521da177e4SLinus Torvalds The Fast File System (FFS) is the common file system used on hard 7531da177e4SLinus Torvalds disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20). Say Y 7541da177e4SLinus Torvalds if you want to be able to read and write files from and to an Amiga 7551da177e4SLinus Torvalds FFS partition on your hard drive. Amiga floppies however cannot be 7561da177e4SLinus Torvalds read with this driver due to an incompatibility of the floppy 7571da177e4SLinus Torvalds controller used in an Amiga and the standard floppy controller in 7581da177e4SLinus Torvalds PCs and workstations. Read <file:Documentation/filesystems/affs.txt> 7591da177e4SLinus Torvalds and <file:fs/affs/Changes>. 7601da177e4SLinus Torvalds 7611da177e4SLinus Torvalds With this driver you can also mount disk files used by Bernd 7621da177e4SLinus Torvalds Schmidt's Un*X Amiga Emulator 7631da177e4SLinus Torvalds (<http://www.freiburg.linux.de/~uae/>). 7641da177e4SLinus Torvalds If you want to do this, you will also need to say Y or M to "Loop 7651da177e4SLinus Torvalds device support", above. 7661da177e4SLinus Torvalds 7671da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 7681da177e4SLinus Torvalds module will be called affs. If unsure, say N. 7691da177e4SLinus Torvalds 770237fead6SMichael Halcrowconfig ECRYPT_FS 771237fead6SMichael Halcrow tristate "eCrypt filesystem layer support (EXPERIMENTAL)" 77288b4a07eSMichael Halcrow depends on EXPERIMENTAL && KEYS && CRYPTO && NET 773237fead6SMichael Halcrow help 774237fead6SMichael Halcrow Encrypted filesystem that operates on the VFS layer. See 775e403149cSDirk Hohndel <file:Documentation/filesystems/ecryptfs.txt> to learn more about 776237fead6SMichael Halcrow eCryptfs. Userspace components are required and can be 777237fead6SMichael Halcrow obtained from <http://ecryptfs.sf.net>. 778237fead6SMichael Halcrow 779237fead6SMichael Halcrow To compile this file system support as a module, choose M here: the 780237fead6SMichael Halcrow module will be called ecryptfs. 781237fead6SMichael Halcrow 7821da177e4SLinus Torvaldsconfig HFS_FS 7831da177e4SLinus Torvalds tristate "Apple Macintosh file system support (EXPERIMENTAL)" 7849361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 785878129a3SLennert Buytenhek select NLS 7861da177e4SLinus Torvalds help 7871da177e4SLinus Torvalds If you say Y here, you will be able to mount Macintosh-formatted 7881da177e4SLinus Torvalds floppy disks and hard drive partitions with full read-write access. 789889c94a1SJohann Felix Soden Please read <file:Documentation/filesystems/hfs.txt> to learn about 790889c94a1SJohann Felix Soden the available mount options. 7911da177e4SLinus Torvalds 7921da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 7931da177e4SLinus Torvalds module will be called hfs. 7941da177e4SLinus Torvalds 7951da177e4SLinus Torvaldsconfig HFSPLUS_FS 7961da177e4SLinus Torvalds tristate "Apple Extended HFS file system support" 7979361401eSDavid Howells depends on BLOCK 7981da177e4SLinus Torvalds select NLS 7991da177e4SLinus Torvalds select NLS_UTF8 8001da177e4SLinus Torvalds help 8011da177e4SLinus Torvalds If you say Y here, you will be able to mount extended format 8021da177e4SLinus Torvalds Macintosh-formatted hard drive partitions with full read-write access. 8031da177e4SLinus Torvalds 8041da177e4SLinus Torvalds This file system is often called HFS+ and was introduced with 8051da177e4SLinus Torvalds MacOS 8. It includes all Mac specific filesystem data such as 8061da177e4SLinus Torvalds data forks and creator codes, but it also has several UNIX 8071da177e4SLinus Torvalds style features such as file ownership and permissions. 8081da177e4SLinus Torvalds 8091da177e4SLinus Torvaldsconfig BEFS_FS 8101da177e4SLinus Torvalds tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)" 8119361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 8121da177e4SLinus Torvalds select NLS 8131da177e4SLinus Torvalds help 8141da177e4SLinus Torvalds The BeOS File System (BeFS) is the native file system of Be, Inc's 8151da177e4SLinus Torvalds BeOS. Notable features include support for arbitrary attributes 8163cb2fcccSMatt LaPlante on files and directories, and database-like indices on selected 8171da177e4SLinus Torvalds attributes. (Also note that this driver doesn't make those features 8181da177e4SLinus Torvalds available at this time). It is a 64 bit filesystem, so it supports 81944c09201SMatt LaPlante extremely large volumes and files. 8201da177e4SLinus Torvalds 8211da177e4SLinus Torvalds If you use this filesystem, you should also say Y to at least one 8221da177e4SLinus Torvalds of the NLS (native language support) options below. 8231da177e4SLinus Torvalds 8241da177e4SLinus Torvalds If you don't know what this is about, say N. 8251da177e4SLinus Torvalds 8261da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be 8271da177e4SLinus Torvalds called befs. 8281da177e4SLinus Torvalds 8291da177e4SLinus Torvaldsconfig BEFS_DEBUG 8301da177e4SLinus Torvalds bool "Debug BeFS" 8311da177e4SLinus Torvalds depends on BEFS_FS 8321da177e4SLinus Torvalds help 8331da177e4SLinus Torvalds If you say Y here, you can use the 'debug' mount option to enable 8341da177e4SLinus Torvalds debugging output from the driver. 8351da177e4SLinus Torvalds 8361da177e4SLinus Torvaldsconfig BFS_FS 8371da177e4SLinus Torvalds tristate "BFS file system support (EXPERIMENTAL)" 8389361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 8391da177e4SLinus Torvalds help 8401da177e4SLinus Torvalds Boot File System (BFS) is a file system used under SCO UnixWare to 8411da177e4SLinus Torvalds allow the bootloader access to the kernel image and other important 8421da177e4SLinus Torvalds files during the boot process. It is usually mounted under /stand 8431da177e4SLinus Torvalds and corresponds to the slice marked as "STAND" in the UnixWare 8441da177e4SLinus Torvalds partition. You should say Y if you want to read or write the files 8451da177e4SLinus Torvalds on your /stand slice from within Linux. You then also need to say Y 8461da177e4SLinus Torvalds to "UnixWare slices support", below. More information about the BFS 8471da177e4SLinus Torvalds file system is contained in the file 8481da177e4SLinus Torvalds <file:Documentation/filesystems/bfs.txt>. 8491da177e4SLinus Torvalds 8501da177e4SLinus Torvalds If you don't know what this is about, say N. 8511da177e4SLinus Torvalds 8521da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 8531da177e4SLinus Torvalds bfs. Note that the file system of your root partition (the one 8541da177e4SLinus Torvalds containing the directory /) cannot be compiled as a module. 8551da177e4SLinus Torvalds 8561da177e4SLinus Torvalds 8571da177e4SLinus Torvalds 8581da177e4SLinus Torvaldsconfig EFS_FS 8591da177e4SLinus Torvalds tristate "EFS file system support (read only) (EXPERIMENTAL)" 8609361401eSDavid Howells depends on BLOCK && EXPERIMENTAL 8611da177e4SLinus Torvalds help 8621da177e4SLinus Torvalds EFS is an older file system used for non-ISO9660 CD-ROMs and hard 8631da177e4SLinus Torvalds disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer 8641da177e4SLinus Torvalds uses the XFS file system for hard disk partitions however). 8651da177e4SLinus Torvalds 8661da177e4SLinus Torvalds This implementation only offers read-only access. If you don't know 8671da177e4SLinus Torvalds what all this is about, it's safe to say N. For more information 8681da177e4SLinus Torvalds about EFS see its home page at <http://aeschi.ch.eu.org/efs/>. 8691da177e4SLinus Torvalds 8701da177e4SLinus Torvalds To compile the EFS file system support as a module, choose M here: the 8711da177e4SLinus Torvalds module will be called efs. 8721da177e4SLinus Torvalds 87331db6e9eSAlexey Dobriyansource "fs/jffs2/Kconfig" 8740d7eff87SArtem Bityutskiy# UBIFS File system configuration 8750d7eff87SArtem Bityutskiysource "fs/ubifs/Kconfig" 8760d7eff87SArtem Bityutskiy 8771da177e4SLinus Torvaldsconfig CRAMFS 8781da177e4SLinus Torvalds tristate "Compressed ROM file system support (cramfs)" 8799361401eSDavid Howells depends on BLOCK 8801da177e4SLinus Torvalds select ZLIB_INFLATE 8811da177e4SLinus Torvalds help 8821da177e4SLinus Torvalds Saying Y here includes support for CramFs (Compressed ROM File 8831da177e4SLinus Torvalds System). CramFs is designed to be a simple, small, and compressed 8841da177e4SLinus Torvalds file system for ROM based embedded systems. CramFs is read-only, 8851da177e4SLinus Torvalds limited to 256MB file systems (with 16MB files), and doesn't support 8861da177e4SLinus Torvalds 16/32 bits uid/gid, hard links and timestamps. 8871da177e4SLinus Torvalds 8881da177e4SLinus Torvalds See <file:Documentation/filesystems/cramfs.txt> and 8891da177e4SLinus Torvalds <file:fs/cramfs/README> for further information. 8901da177e4SLinus Torvalds 8911da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 8921da177e4SLinus Torvalds cramfs. Note that the root file system (the one containing the 8931da177e4SLinus Torvalds directory /) cannot be compiled as a module. 8941da177e4SLinus Torvalds 8951da177e4SLinus Torvalds If unsure, say N. 8961da177e4SLinus Torvalds 897*6ab5c1caSPhillip Lougherconfig SQUASHFS 898*6ab5c1caSPhillip Lougher tristate "SquashFS 4.0 - Squashed file system support" 899*6ab5c1caSPhillip Lougher depends on BLOCK 900*6ab5c1caSPhillip Lougher select ZLIB_INFLATE 901*6ab5c1caSPhillip Lougher help 902*6ab5c1caSPhillip Lougher Saying Y here includes support for SquashFS 4.0 (a Compressed 903*6ab5c1caSPhillip Lougher Read-Only File System). Squashfs is a highly compressed read-only 904*6ab5c1caSPhillip Lougher filesystem for Linux. It uses zlib compression to compress both 905*6ab5c1caSPhillip Lougher files, inodes and directories. Inodes in the system are very small 906*6ab5c1caSPhillip Lougher and all blocks are packed to minimise data overhead. Block sizes 907*6ab5c1caSPhillip Lougher greater than 4K are supported up to a maximum of 1 Mbytes (default 908*6ab5c1caSPhillip Lougher block size 128K). SquashFS 4.0 supports 64 bit filesystems and files 909*6ab5c1caSPhillip Lougher (larger than 4GB), full uid/gid information, hard links and 910*6ab5c1caSPhillip Lougher timestamps. 911*6ab5c1caSPhillip Lougher 912*6ab5c1caSPhillip Lougher Squashfs is intended for general read-only filesystem use, for 913*6ab5c1caSPhillip Lougher archival use (i.e. in cases where a .tar.gz file may be used), and in 914*6ab5c1caSPhillip Lougher embedded systems where low overhead is needed. Further information 915*6ab5c1caSPhillip Lougher and tools are available from http://squashfs.sourceforge.net. 916*6ab5c1caSPhillip Lougher 917*6ab5c1caSPhillip Lougher If you want to compile this as a module ( = code which can be 918*6ab5c1caSPhillip Lougher inserted in and removed from the running kernel whenever you want), 919*6ab5c1caSPhillip Lougher say M here and read <file:Documentation/modules.txt>. The module 920*6ab5c1caSPhillip Lougher will be called squashfs. Note that the root file system (the one 921*6ab5c1caSPhillip Lougher containing the directory /) cannot be compiled as a module. 922*6ab5c1caSPhillip Lougher 923*6ab5c1caSPhillip Lougher If unsure, say N. 924*6ab5c1caSPhillip Lougher 925*6ab5c1caSPhillip Lougherconfig SQUASHFS_EMBEDDED 926*6ab5c1caSPhillip Lougher 927*6ab5c1caSPhillip Lougher bool "Additional option for memory-constrained systems" 928*6ab5c1caSPhillip Lougher depends on SQUASHFS 929*6ab5c1caSPhillip Lougher default n 930*6ab5c1caSPhillip Lougher help 931*6ab5c1caSPhillip Lougher Saying Y here allows you to specify cache size. 932*6ab5c1caSPhillip Lougher 933*6ab5c1caSPhillip Lougher If unsure, say N. 934*6ab5c1caSPhillip Lougher 935*6ab5c1caSPhillip Lougherconfig SQUASHFS_FRAGMENT_CACHE_SIZE 936*6ab5c1caSPhillip Lougher int "Number of fragments cached" if SQUASHFS_EMBEDDED 937*6ab5c1caSPhillip Lougher depends on SQUASHFS 938*6ab5c1caSPhillip Lougher default "3" 939*6ab5c1caSPhillip Lougher help 940*6ab5c1caSPhillip Lougher By default SquashFS caches the last 3 fragments read from 941*6ab5c1caSPhillip Lougher the filesystem. Increasing this amount may mean SquashFS 942*6ab5c1caSPhillip Lougher has to re-read fragments less often from disk, at the expense 943*6ab5c1caSPhillip Lougher of extra system memory. Decreasing this amount will mean 944*6ab5c1caSPhillip Lougher SquashFS uses less memory at the expense of extra reads from disk. 945*6ab5c1caSPhillip Lougher 946*6ab5c1caSPhillip Lougher Note there must be at least one cached fragment. Anything 947*6ab5c1caSPhillip Lougher much more than three will probably not make much difference. 948*6ab5c1caSPhillip Lougher 9491da177e4SLinus Torvaldsconfig VXFS_FS 9501da177e4SLinus Torvalds tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)" 9519361401eSDavid Howells depends on BLOCK 9521da177e4SLinus Torvalds help 9531da177e4SLinus Torvalds FreeVxFS is a file system driver that support the VERITAS VxFS(TM) 9541da177e4SLinus Torvalds file system format. VERITAS VxFS(TM) is the standard file system 9551da177e4SLinus Torvalds of SCO UnixWare (and possibly others) and optionally available 9561da177e4SLinus Torvalds for Sunsoft Solaris, HP-UX and many other operating systems. 9571da177e4SLinus Torvalds Currently only readonly access is supported. 9581da177e4SLinus Torvalds 9591da177e4SLinus Torvalds NOTE: the file system type as used by mount(1), mount(2) and 9601da177e4SLinus Torvalds fstab(5) is 'vxfs' as it describes the file system format, not 9611da177e4SLinus Torvalds the actual driver. 9621da177e4SLinus Torvalds 9631da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be 9641da177e4SLinus Torvalds called freevxfs. If unsure, say N. 9651da177e4SLinus Torvalds 96625fad945SRandy Dunlapconfig MINIX_FS 96725fad945SRandy Dunlap tristate "Minix file system support" 96825fad945SRandy Dunlap depends on BLOCK 96925fad945SRandy Dunlap help 97025fad945SRandy Dunlap Minix is a simple operating system used in many classes about OS's. 97125fad945SRandy Dunlap The minix file system (method to organize files on a hard disk 97225fad945SRandy Dunlap partition or a floppy disk) was the original file system for Linux, 97325fad945SRandy Dunlap but has been superseded by the second extended file system ext2fs. 97425fad945SRandy Dunlap You don't want to use the minix file system on your hard disk 97525fad945SRandy Dunlap because of certain built-in restrictions, but it is sometimes found 97625fad945SRandy Dunlap on older Linux floppy disks. This option will enlarge your kernel 97725fad945SRandy Dunlap by about 28 KB. If unsure, say N. 97825fad945SRandy Dunlap 97925fad945SRandy Dunlap To compile this file system support as a module, choose M here: the 98025fad945SRandy Dunlap module will be called minix. Note that the file system of your root 98125fad945SRandy Dunlap partition (the one containing the directory /) cannot be compiled as 98225fad945SRandy Dunlap a module. 98325fad945SRandy Dunlap 98463ca8ce2SBob Copelandconfig OMFS_FS 98563ca8ce2SBob Copeland tristate "SonicBlue Optimized MPEG File System support" 98663ca8ce2SBob Copeland depends on BLOCK 98763ca8ce2SBob Copeland select CRC_ITU_T 98863ca8ce2SBob Copeland help 98963ca8ce2SBob Copeland This is the proprietary file system used by the Rio Karma music 99063ca8ce2SBob Copeland player and ReplayTV DVR. Despite the name, this filesystem is not 99163ca8ce2SBob Copeland more efficient than a standard FS for MPEG files, in fact likely 99263ca8ce2SBob Copeland the opposite is true. Say Y if you have either of these devices 99363ca8ce2SBob Copeland and wish to mount its disk. 99463ca8ce2SBob Copeland 99563ca8ce2SBob Copeland To compile this file system support as a module, choose M here: the 99663ca8ce2SBob Copeland module will be called omfs. If unsure, say N. 9971da177e4SLinus Torvalds 9981da177e4SLinus Torvaldsconfig HPFS_FS 9991da177e4SLinus Torvalds tristate "OS/2 HPFS file system support" 10009361401eSDavid Howells depends on BLOCK 10011da177e4SLinus Torvalds help 10021da177e4SLinus Torvalds OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS 10031da177e4SLinus Torvalds is the file system used for organizing files on OS/2 hard disk 10041da177e4SLinus Torvalds partitions. Say Y if you want to be able to read files from and 10051da177e4SLinus Torvalds write files to an OS/2 HPFS partition on your hard drive. OS/2 10061da177e4SLinus Torvalds floppies however are in regular MSDOS format, so you don't need this 10071da177e4SLinus Torvalds option in order to be able to read them. Read 10081da177e4SLinus Torvalds <file:Documentation/filesystems/hpfs.txt>. 10091da177e4SLinus Torvalds 10101da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 10111da177e4SLinus Torvalds module will be called hpfs. If unsure, say N. 10121da177e4SLinus Torvalds 10131da177e4SLinus Torvalds 10141da177e4SLinus Torvaldsconfig QNX4FS_FS 10151da177e4SLinus Torvalds tristate "QNX4 file system support (read only)" 10169361401eSDavid Howells depends on BLOCK 10171da177e4SLinus Torvalds help 10181da177e4SLinus Torvalds This is the file system used by the real-time operating systems 10191da177e4SLinus Torvalds QNX 4 and QNX 6 (the latter is also called QNX RTP). 10201da177e4SLinus Torvalds Further information is available at <http://www.qnx.com/>. 10211da177e4SLinus Torvalds Say Y if you intend to mount QNX hard disks or floppies. 10221da177e4SLinus Torvalds Unless you say Y to "QNX4FS read-write support" below, you will 10231da177e4SLinus Torvalds only be able to read these file systems. 10241da177e4SLinus Torvalds 10251da177e4SLinus Torvalds To compile this file system support as a module, choose M here: the 10261da177e4SLinus Torvalds module will be called qnx4. 10271da177e4SLinus Torvalds 10281da177e4SLinus Torvalds If you don't know whether you need it, then you don't need it: 10291da177e4SLinus Torvalds answer N. 10301da177e4SLinus Torvalds 10311da177e4SLinus Torvaldsconfig QNX4FS_RW 10321da177e4SLinus Torvalds bool "QNX4FS write support (DANGEROUS)" 10331da177e4SLinus Torvalds depends on QNX4FS_FS && EXPERIMENTAL && BROKEN 10341da177e4SLinus Torvalds help 10351da177e4SLinus Torvalds Say Y if you want to test write support for QNX4 file systems. 10361da177e4SLinus Torvalds 10371da177e4SLinus Torvalds It's currently broken, so for now: 10381da177e4SLinus Torvalds answer N. 10391da177e4SLinus Torvalds 104025fad945SRandy Dunlapconfig ROMFS_FS 104125fad945SRandy Dunlap tristate "ROM file system support" 104225fad945SRandy Dunlap depends on BLOCK 104325fad945SRandy Dunlap ---help--- 104425fad945SRandy Dunlap This is a very small read-only file system mainly intended for 104525fad945SRandy Dunlap initial ram disks of installation disks, but it could be used for 104625fad945SRandy Dunlap other read-only media as well. Read 104725fad945SRandy Dunlap <file:Documentation/filesystems/romfs.txt> for details. 104825fad945SRandy Dunlap 104925fad945SRandy Dunlap To compile this file system support as a module, choose M here: the 105025fad945SRandy Dunlap module will be called romfs. Note that the file system of your 105125fad945SRandy Dunlap root partition (the one containing the directory /) cannot be a 105225fad945SRandy Dunlap module. 105325fad945SRandy Dunlap 105425fad945SRandy Dunlap If you don't know whether you need it, then you don't need it: 105525fad945SRandy Dunlap answer N. 10561da177e4SLinus Torvalds 10571da177e4SLinus Torvalds 10581da177e4SLinus Torvaldsconfig SYSV_FS 10591da177e4SLinus Torvalds tristate "System V/Xenix/V7/Coherent file system support" 10609361401eSDavid Howells depends on BLOCK 10611da177e4SLinus Torvalds help 10621da177e4SLinus Torvalds SCO, Xenix and Coherent are commercial Unix systems for Intel 10631da177e4SLinus Torvalds machines, and Version 7 was used on the DEC PDP-11. Saying Y 10641da177e4SLinus Torvalds here would allow you to read from their floppies and hard disk 10651da177e4SLinus Torvalds partitions. 10661da177e4SLinus Torvalds 10671da177e4SLinus Torvalds If you have floppies or hard disk partitions like that, it is likely 10681da177e4SLinus Torvalds that they contain binaries from those other Unix systems; in order 1069cab00891SMatt LaPlante to run these binaries, you will want to install linux-abi which is 10701da177e4SLinus Torvalds a set of kernel modules that lets you run SCO, Xenix, Wyse, 10711da177e4SLinus Torvalds UnixWare, Dell Unix and System V programs under Linux. It is 10721da177e4SLinus Torvalds available via FTP (user: ftp) from 10731da177e4SLinus Torvalds <ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>). 10741da177e4SLinus Torvalds NOTE: that will work only for binaries from Intel-based systems; 10751da177e4SLinus Torvalds PDP ones will have to wait until somebody ports Linux to -11 ;-) 10761da177e4SLinus Torvalds 10771da177e4SLinus Torvalds If you only intend to mount files from some other Unix over the 10781da177e4SLinus Torvalds network using NFS, you don't need the System V file system support 10791da177e4SLinus Torvalds (but you need NFS file system support obviously). 10801da177e4SLinus Torvalds 10811da177e4SLinus Torvalds Note that this option is generally not needed for floppies, since a 10821da177e4SLinus Torvalds good portable way to transport files and directories between unixes 10831da177e4SLinus Torvalds (and even other operating systems) is given by the tar program ("man 10841da177e4SLinus Torvalds tar" or preferably "info tar"). Note also that this option has 10851da177e4SLinus Torvalds nothing whatsoever to do with the option "System V IPC". Read about 10861da177e4SLinus Torvalds the System V file system in 10871da177e4SLinus Torvalds <file:Documentation/filesystems/sysv-fs.txt>. 10881da177e4SLinus Torvalds Saying Y here will enlarge your kernel by about 27 KB. 10891da177e4SLinus Torvalds 10901da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 10911da177e4SLinus Torvalds sysv. 10921da177e4SLinus Torvalds 10931da177e4SLinus Torvalds If you haven't heard about all of this before, it's safe to say N. 10941da177e4SLinus Torvalds 10951da177e4SLinus Torvalds 10961da177e4SLinus Torvaldsconfig UFS_FS 10971da177e4SLinus Torvalds tristate "UFS file system support (read only)" 10989361401eSDavid Howells depends on BLOCK 10991da177e4SLinus Torvalds help 11001da177e4SLinus Torvalds BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD, 11011da177e4SLinus Torvalds OpenBSD and NeXTstep) use a file system called UFS. Some System V 11021da177e4SLinus Torvalds Unixes can create and mount hard disk partitions and diskettes using 11031da177e4SLinus Torvalds this file system as well. Saying Y here will allow you to read from 11041da177e4SLinus Torvalds these partitions; if you also want to write to them, say Y to the 11051da177e4SLinus Torvalds experimental "UFS file system write support", below. Please read the 11061da177e4SLinus Torvalds file <file:Documentation/filesystems/ufs.txt> for more information. 11071da177e4SLinus Torvalds 11081da177e4SLinus Torvalds The recently released UFS2 variant (used in FreeBSD 5.x) is 11091da177e4SLinus Torvalds READ-ONLY supported. 11101da177e4SLinus Torvalds 11111da177e4SLinus Torvalds Note that this option is generally not needed for floppies, since a 11121da177e4SLinus Torvalds good portable way to transport files and directories between unixes 11131da177e4SLinus Torvalds (and even other operating systems) is given by the tar program ("man 11141da177e4SLinus Torvalds tar" or preferably "info tar"). 11151da177e4SLinus Torvalds 11161da177e4SLinus Torvalds When accessing NeXTstep files, you may need to convert them from the 11171da177e4SLinus Torvalds NeXT character set to the Latin1 character set; use the program 11181da177e4SLinus Torvalds recode ("info recode") for this purpose. 11191da177e4SLinus Torvalds 11201da177e4SLinus Torvalds To compile the UFS file system support as a module, choose M here: the 11211da177e4SLinus Torvalds module will be called ufs. 11221da177e4SLinus Torvalds 11231da177e4SLinus Torvalds If you haven't heard about all of this before, it's safe to say N. 11241da177e4SLinus Torvalds 11251da177e4SLinus Torvaldsconfig UFS_FS_WRITE 11261da177e4SLinus Torvalds bool "UFS file system write support (DANGEROUS)" 11275afb3145SEvgeniy Dushistov depends on UFS_FS && EXPERIMENTAL 11281da177e4SLinus Torvalds help 11291da177e4SLinus Torvalds Say Y here if you want to try writing to UFS partitions. This is 11301da177e4SLinus Torvalds experimental, so you should back up your UFS partitions beforehand. 11311da177e4SLinus Torvalds 1132abf5d15fSEvgeniy Dushistovconfig UFS_DEBUG 1133abf5d15fSEvgeniy Dushistov bool "UFS debugging" 1134abf5d15fSEvgeniy Dushistov depends on UFS_FS 1135abf5d15fSEvgeniy Dushistov help 1136abf5d15fSEvgeniy Dushistov If you are experiencing any problems with the UFS filesystem, say 1137abf5d15fSEvgeniy Dushistov Y here. This will result in _many_ additional debugging messages to be 1138abf5d15fSEvgeniy Dushistov written to the system log. 1139abf5d15fSEvgeniy Dushistov 11401da177e4SLinus Torvaldsendmenu 11411da177e4SLinus Torvalds 1142ea0985adSJan Engelhardtmenuconfig NETWORK_FILESYSTEMS 1143ea0985adSJan Engelhardt bool "Network File Systems" 1144ea0985adSJan Engelhardt default y 11451da177e4SLinus Torvalds depends on NET 1146ea0985adSJan Engelhardt ---help--- 1147ea0985adSJan Engelhardt Say Y here to get to see options for network filesystems and 1148ea0985adSJan Engelhardt filesystem-related networking code, such as NFS daemon and 1149ea0985adSJan Engelhardt RPCSEC security modules. 11506fb1bc10SChuck Lever 1151ea0985adSJan Engelhardt This option alone does not add any kernel code. 1152ea0985adSJan Engelhardt 1153ea0985adSJan Engelhardt If you say N, all options in this submenu will be skipped and 1154ea0985adSJan Engelhardt disabled; if unsure, say Y here. 1155ea0985adSJan Engelhardt 1156ea0985adSJan Engelhardtif NETWORK_FILESYSTEMS 11571da177e4SLinus Torvalds 11581da177e4SLinus Torvaldsconfig NFS_FS 11596fb1bc10SChuck Lever tristate "NFS client support" 11601da177e4SLinus Torvalds depends on INET 11611da177e4SLinus Torvalds select LOCKD 11621da177e4SLinus Torvalds select SUNRPC 1163b7fa0554SAndreas Gruenbacher select NFS_ACL_SUPPORT if NFS_V3_ACL 11641da177e4SLinus Torvalds help 11656fb1bc10SChuck Lever Choose Y here if you want to access files residing on other 11666fb1bc10SChuck Lever computers using Sun's Network File System protocol. To compile 11676fb1bc10SChuck Lever this file system support as a module, choose M here: the module 11686fb1bc10SChuck Lever will be called nfs. 11691da177e4SLinus Torvalds 11706fb1bc10SChuck Lever To mount file systems exported by NFS servers, you also need to 11716fb1bc10SChuck Lever install the user space mount.nfs command which can be found in 11726fb1bc10SChuck Lever the Linux nfs-utils package, available from http://linux-nfs.org/. 11736fb1bc10SChuck Lever Information about using the mount command is available in the 11746fb1bc10SChuck Lever mount(8) man page. More detail about the Linux NFS client 11756fb1bc10SChuck Lever implementation is available via the nfs(5) man page. 11761da177e4SLinus Torvalds 11776fb1bc10SChuck Lever Below you can choose which versions of the NFS protocol are 11786fb1bc10SChuck Lever available in the kernel to mount NFS servers. Support for NFS 11796fb1bc10SChuck Lever version 2 (RFC 1094) is always available when NFS_FS is selected. 11801da177e4SLinus Torvalds 11816fb1bc10SChuck Lever To configure a system which mounts its root file system via NFS 11826fb1bc10SChuck Lever at boot time, say Y here, select "Kernel level IP 11836fb1bc10SChuck Lever autoconfiguration" in the NETWORK menu, and select "Root file 11846fb1bc10SChuck Lever system on NFS" below. You cannot compile this file system as a 11856fb1bc10SChuck Lever module in this case. 11861da177e4SLinus Torvalds 11876fb1bc10SChuck Lever If unsure, say N. 11881da177e4SLinus Torvalds 11891da177e4SLinus Torvaldsconfig NFS_V3 11906fb1bc10SChuck Lever bool "NFS client support for NFS version 3" 11911da177e4SLinus Torvalds depends on NFS_FS 11921da177e4SLinus Torvalds help 11936fb1bc10SChuck Lever This option enables support for version 3 of the NFS protocol 11946fb1bc10SChuck Lever (RFC 1813) in the kernel's NFS client. 11951da177e4SLinus Torvalds 11961da177e4SLinus Torvalds If unsure, say Y. 11971da177e4SLinus Torvalds 1198b7fa0554SAndreas Gruenbacherconfig NFS_V3_ACL 11996fb1bc10SChuck Lever bool "NFS client support for the NFSv3 ACL protocol extension" 1200b7fa0554SAndreas Gruenbacher depends on NFS_V3 1201b7fa0554SAndreas Gruenbacher help 12026fb1bc10SChuck Lever Some NFS servers support an auxiliary NFSv3 ACL protocol that 12036fb1bc10SChuck Lever Sun added to Solaris but never became an official part of the 12046fb1bc10SChuck Lever NFS version 3 protocol. This protocol extension allows 12056fb1bc10SChuck Lever applications on NFS clients to manipulate POSIX Access Control 12066fb1bc10SChuck Lever Lists on files residing on NFS servers. NFS servers enforce 12076fb1bc10SChuck Lever ACLs on local files whether this protocol is available or not. 12086fb1bc10SChuck Lever 12096fb1bc10SChuck Lever Choose Y here if your NFS server supports the Solaris NFSv3 ACL 12106fb1bc10SChuck Lever protocol extension and you want your NFS client to allow 12116fb1bc10SChuck Lever applications to access and modify ACLs on files on the server. 12126fb1bc10SChuck Lever 12136fb1bc10SChuck Lever Most NFS servers don't support the Solaris NFSv3 ACL protocol 12146fb1bc10SChuck Lever extension. You can choose N here or specify the "noacl" mount 12156fb1bc10SChuck Lever option to prevent your NFS client from trying to use the NFSv3 12166fb1bc10SChuck Lever ACL protocol. 1217b7fa0554SAndreas Gruenbacher 1218b7fa0554SAndreas Gruenbacher If unsure, say N. 1219b7fa0554SAndreas Gruenbacher 12201da177e4SLinus Torvaldsconfig NFS_V4 12216fb1bc10SChuck Lever bool "NFS client support for NFS version 4 (EXPERIMENTAL)" 12221da177e4SLinus Torvalds depends on NFS_FS && EXPERIMENTAL 12231da177e4SLinus Torvalds select RPCSEC_GSS_KRB5 12241da177e4SLinus Torvalds help 12256fb1bc10SChuck Lever This option enables support for version 4 of the NFS protocol 12266fb1bc10SChuck Lever (RFC 3530) in the kernel's NFS client. 12271da177e4SLinus Torvalds 12286fb1bc10SChuck Lever To mount NFS servers using NFSv4, you also need to install user 12296fb1bc10SChuck Lever space programs which can be found in the Linux nfs-utils package, 12306fb1bc10SChuck Lever available from http://linux-nfs.org/. 12311da177e4SLinus Torvalds 12321da177e4SLinus Torvalds If unsure, say N. 12331da177e4SLinus Torvalds 12346fb1bc10SChuck Leverconfig ROOT_NFS 12356fb1bc10SChuck Lever bool "Root file system on NFS" 12366fb1bc10SChuck Lever depends on NFS_FS=y && IP_PNP 12376fb1bc10SChuck Lever help 12386fb1bc10SChuck Lever If you want your system to mount its root file system via NFS, 12396fb1bc10SChuck Lever choose Y here. This is common practice for managing systems 12406fb1bc10SChuck Lever without local permanent storage. For details, read 12416fb1bc10SChuck Lever <file:Documentation/filesystems/nfsroot.txt>. 12426fb1bc10SChuck Lever 12436fb1bc10SChuck Lever Most people say N here. 12446fb1bc10SChuck Lever 12451da177e4SLinus Torvaldsconfig NFSD 12461da177e4SLinus Torvalds tristate "NFS server support" 12471da177e4SLinus Torvalds depends on INET 12481da177e4SLinus Torvalds select LOCKD 12491da177e4SLinus Torvalds select SUNRPC 12501da177e4SLinus Torvalds select EXPORTFS 1251f05e15b5SHerbert Xu select NFS_ACL_SUPPORT if NFSD_V2_ACL 12521da177e4SLinus Torvalds help 1253d24455b5SChuck Lever Choose Y here if you want to allow other computers to access 1254d24455b5SChuck Lever files residing on this system using Sun's Network File System 1255d24455b5SChuck Lever protocol. To compile the NFS server support as a module, 1256d24455b5SChuck Lever choose M here: the module will be called nfsd. 12571da177e4SLinus Torvalds 1258d24455b5SChuck Lever You may choose to use a user-space NFS server instead, in which 1259d24455b5SChuck Lever case you can choose N here. 12601da177e4SLinus Torvalds 1261d24455b5SChuck Lever To export local file systems using NFS, you also need to install 1262d24455b5SChuck Lever user space programs which can be found in the Linux nfs-utils 1263d24455b5SChuck Lever package, available from http://linux-nfs.org/. More detail about 1264d24455b5SChuck Lever the Linux NFS server implementation is available via the 1265d24455b5SChuck Lever exports(5) man page. 12661da177e4SLinus Torvalds 1267d24455b5SChuck Lever Below you can choose which versions of the NFS protocol are 1268d24455b5SChuck Lever available to clients mounting the NFS server on this system. 1269d24455b5SChuck Lever Support for NFS version 2 (RFC 1094) is always available when 1270d24455b5SChuck Lever CONFIG_NFSD is selected. 12711da177e4SLinus Torvalds 1272d24455b5SChuck Lever If unsure, say N. 12731da177e4SLinus Torvalds 1274a257cdd0SAndreas Gruenbacherconfig NFSD_V2_ACL 1275a257cdd0SAndreas Gruenbacher bool 1276a257cdd0SAndreas Gruenbacher depends on NFSD 1277a257cdd0SAndreas Gruenbacher 12781da177e4SLinus Torvaldsconfig NFSD_V3 1279d24455b5SChuck Lever bool "NFS server support for NFS version 3" 12801da177e4SLinus Torvalds depends on NFSD 12811da177e4SLinus Torvalds help 1282d24455b5SChuck Lever This option enables support in your system's NFS server for 1283d24455b5SChuck Lever version 3 of the NFS protocol (RFC 1813). 1284d24455b5SChuck Lever 1285d24455b5SChuck Lever If unsure, say Y. 12861da177e4SLinus Torvalds 1287a257cdd0SAndreas Gruenbacherconfig NFSD_V3_ACL 1288d24455b5SChuck Lever bool "NFS server support for the NFSv3 ACL protocol extension" 1289a257cdd0SAndreas Gruenbacher depends on NFSD_V3 129078dd0992SChuck Lever select NFSD_V2_ACL 1291a257cdd0SAndreas Gruenbacher help 1292d24455b5SChuck Lever Solaris NFS servers support an auxiliary NFSv3 ACL protocol that 1293d24455b5SChuck Lever never became an official part of the NFS version 3 protocol. 1294d24455b5SChuck Lever This protocol extension allows applications on NFS clients to 1295d24455b5SChuck Lever manipulate POSIX Access Control Lists on files residing on NFS 1296d24455b5SChuck Lever servers. NFS servers enforce POSIX ACLs on local files whether 1297d24455b5SChuck Lever this protocol is available or not. 1298d24455b5SChuck Lever 1299d24455b5SChuck Lever This option enables support in your system's NFS server for the 1300d24455b5SChuck Lever NFSv3 ACL protocol extension allowing NFS clients to manipulate 1301d24455b5SChuck Lever POSIX ACLs on files exported by your system's NFS server. NFS 1302d24455b5SChuck Lever clients which support the Solaris NFSv3 ACL protocol can then 1303d24455b5SChuck Lever access and modify ACLs on your NFS server. 1304d24455b5SChuck Lever 1305d24455b5SChuck Lever To store ACLs on your NFS server, you also need to enable ACL- 1306d24455b5SChuck Lever related CONFIG options for your local file systems of choice. 1307d24455b5SChuck Lever 1308d24455b5SChuck Lever If unsure, say N. 1309a257cdd0SAndreas Gruenbacher 13101da177e4SLinus Torvaldsconfig NFSD_V4 1311d24455b5SChuck Lever bool "NFS server support for NFS version 4 (EXPERIMENTAL)" 13121a448fdbSChuck Lever depends on NFSD && PROC_FS && EXPERIMENTAL 13131a448fdbSChuck Lever select NFSD_V3 131489206955SChuck Lever select FS_POSIX_ACL 131542ed95c4SJ. Bruce Fields select RPCSEC_GSS_KRB5 13161da177e4SLinus Torvalds help 1317d24455b5SChuck Lever This option enables support in your system's NFS server for 1318d24455b5SChuck Lever version 4 of the NFS protocol (RFC 3530). 1319d24455b5SChuck Lever 1320d24455b5SChuck Lever To export files using NFSv4, you need to install additional user 1321d24455b5SChuck Lever space programs which can be found in the Linux nfs-utils package, 1322d24455b5SChuck Lever available from http://linux-nfs.org/. 1323d24455b5SChuck Lever 13241da177e4SLinus Torvalds If unsure, say N. 13251da177e4SLinus Torvalds 13261da177e4SLinus Torvaldsconfig LOCKD 13271da177e4SLinus Torvalds tristate 13281da177e4SLinus Torvalds 13291da177e4SLinus Torvaldsconfig LOCKD_V4 13301da177e4SLinus Torvalds bool 13311da177e4SLinus Torvalds depends on NFSD_V3 || NFS_V3 13321da177e4SLinus Torvalds default y 13331da177e4SLinus Torvalds 13341da177e4SLinus Torvaldsconfig EXPORTFS 13351da177e4SLinus Torvalds tristate 13361da177e4SLinus Torvalds 1337a257cdd0SAndreas Gruenbacherconfig NFS_ACL_SUPPORT 1338a257cdd0SAndreas Gruenbacher tristate 1339a257cdd0SAndreas Gruenbacher select FS_POSIX_ACL 1340a257cdd0SAndreas Gruenbacher 1341a257cdd0SAndreas Gruenbacherconfig NFS_COMMON 1342a257cdd0SAndreas Gruenbacher bool 1343a257cdd0SAndreas Gruenbacher depends on NFSD || NFS_FS 1344a257cdd0SAndreas Gruenbacher default y 1345a257cdd0SAndreas Gruenbacher 13461da177e4SLinus Torvaldsconfig SUNRPC 13471da177e4SLinus Torvalds tristate 13481da177e4SLinus Torvalds 13491da177e4SLinus Torvaldsconfig SUNRPC_GSS 13501da177e4SLinus Torvalds tristate 13511da177e4SLinus Torvalds 1352c3a57ed7S\"Talpey, Thomas\config SUNRPC_XPRT_RDMA 13533211e4ebSJames Lentini tristate 1354113632d0S\"Talpey, Thomas\ depends on SUNRPC && INFINIBAND && EXPERIMENTAL 13553211e4ebSJames Lentini default SUNRPC && INFINIBAND 1356327a299dSChuck Lever help 1357327a299dSChuck Lever This option enables an RPC client transport capability that 1358327a299dSChuck Lever allows the NFS client to mount servers via an RDMA-enabled 1359327a299dSChuck Lever transport. 1360327a299dSChuck Lever 1361327a299dSChuck Lever To compile RPC client RDMA transport support as a module, 1362327a299dSChuck Lever choose M here: the module will be called xprtrdma. 1363327a299dSChuck Lever 1364327a299dSChuck Lever If unsure, say N. 1365c3a57ed7S\"Talpey, Thomas\ 1366a26cfad6SChuck Leverconfig SUNRPC_REGISTER_V4 1367a26cfad6SChuck Lever bool "Register local RPC services via rpcbind v4 (EXPERIMENTAL)" 1368a26cfad6SChuck Lever depends on SUNRPC && EXPERIMENTAL 1369a26cfad6SChuck Lever default n 1370a26cfad6SChuck Lever help 1371a26cfad6SChuck Lever Sun added support for registering RPC services at an IPv6 1372a26cfad6SChuck Lever address by creating two new versions of the rpcbind protocol 1373a26cfad6SChuck Lever (RFC 1833). 1374a26cfad6SChuck Lever 1375a26cfad6SChuck Lever This option enables support in the kernel RPC server for 1376a26cfad6SChuck Lever registering kernel RPC services via version 4 of the rpcbind 1377a26cfad6SChuck Lever protocol. If you enable this option, you must run a portmapper 1378a26cfad6SChuck Lever daemon that supports rpcbind protocol version 4. 1379a26cfad6SChuck Lever 1380a26cfad6SChuck Lever Serving NFS over IPv6 from knfsd (the kernel's NFS server) 1381a26cfad6SChuck Lever requires that you enable this option and use a portmapper that 1382a26cfad6SChuck Lever supports rpcbind version 4. 1383a26cfad6SChuck Lever 1384a26cfad6SChuck Lever If unsure, say N to get traditional behavior (register kernel 1385a26cfad6SChuck Lever RPC services using only rpcbind version 2). Distributions 1386a26cfad6SChuck Lever using the legacy Linux portmapper daemon must say N here. 1387a26cfad6SChuck Lever 13881da177e4SLinus Torvaldsconfig RPCSEC_GSS_KRB5 13891da177e4SLinus Torvalds tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)" 13901da177e4SLinus Torvalds depends on SUNRPC && EXPERIMENTAL 13911da177e4SLinus Torvalds select SUNRPC_GSS 13921da177e4SLinus Torvalds select CRYPTO 13931da177e4SLinus Torvalds select CRYPTO_MD5 13941da177e4SLinus Torvalds select CRYPTO_DES 1395bcbaecbbSPatrick McHardy select CRYPTO_CBC 13961da177e4SLinus Torvalds help 1397327a299dSChuck Lever Choose Y here to enable Secure RPC using the Kerberos version 5 1398327a299dSChuck Lever GSS-API mechanism (RFC 1964). 13991da177e4SLinus Torvalds 1400327a299dSChuck Lever Secure RPC calls with Kerberos require an auxiliary user-space 1401327a299dSChuck Lever daemon which may be found in the Linux nfs-utils package 1402327a299dSChuck Lever available from http://linux-nfs.org/. In addition, user-space 1403327a299dSChuck Lever Kerberos support should be installed. 14041da177e4SLinus Torvalds 14051da177e4SLinus Torvalds If unsure, say N. 14061da177e4SLinus Torvalds 14071da177e4SLinus Torvaldsconfig RPCSEC_GSS_SPKM3 14081da177e4SLinus Torvalds tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)" 14091da177e4SLinus Torvalds depends on SUNRPC && EXPERIMENTAL 14101da177e4SLinus Torvalds select SUNRPC_GSS 14111da177e4SLinus Torvalds select CRYPTO 14121da177e4SLinus Torvalds select CRYPTO_MD5 14131da177e4SLinus Torvalds select CRYPTO_DES 1414df6db302SJ. Bruce Fields select CRYPTO_CAST5 1415bcbaecbbSPatrick McHardy select CRYPTO_CBC 14161da177e4SLinus Torvalds help 1417327a299dSChuck Lever Choose Y here to enable Secure RPC using the SPKM3 public key 1418327a299dSChuck Lever GSS-API mechansim (RFC 2025). 14191da177e4SLinus Torvalds 1420327a299dSChuck Lever Secure RPC calls with SPKM3 require an auxiliary userspace 1421327a299dSChuck Lever daemon which may be found in the Linux nfs-utils package 1422327a299dSChuck Lever available from http://linux-nfs.org/. 14231da177e4SLinus Torvalds 14241da177e4SLinus Torvalds If unsure, say N. 14251da177e4SLinus Torvalds 14261da177e4SLinus Torvaldsconfig SMB_FS 1427c7736339SAndrew Morton tristate "SMB file system support (OBSOLETE, please use CIFS)" 14281da177e4SLinus Torvalds depends on INET 14291da177e4SLinus Torvalds select NLS 14301da177e4SLinus Torvalds help 14311da177e4SLinus Torvalds SMB (Server Message Block) is the protocol Windows for Workgroups 14321da177e4SLinus Torvalds (WfW), Windows 95/98, Windows NT and OS/2 Lan Manager use to share 14331da177e4SLinus Torvalds files and printers over local networks. Saying Y here allows you to 14341da177e4SLinus Torvalds mount their file systems (often called "shares" in this context) and 14351da177e4SLinus Torvalds access them just like any other Unix directory. Currently, this 14361da177e4SLinus Torvalds works only if the Windows machines use TCP/IP as the underlying 14371da177e4SLinus Torvalds transport protocol, and not NetBEUI. For details, read 14381da177e4SLinus Torvalds <file:Documentation/filesystems/smbfs.txt> and the SMB-HOWTO, 14391da177e4SLinus Torvalds available from <http://www.tldp.org/docs.html#howto>. 14401da177e4SLinus Torvalds 14411da177e4SLinus Torvalds Note: if you just want your box to act as an SMB *server* and make 14421da177e4SLinus Torvalds files and printing services available to Windows clients (which need 14431da177e4SLinus Torvalds to have a TCP/IP stack), you don't need to say Y here; you can use 14441da177e4SLinus Torvalds the program SAMBA (available from <ftp://ftp.samba.org/pub/samba/>) 14451da177e4SLinus Torvalds for that. 14461da177e4SLinus Torvalds 14471da177e4SLinus Torvalds General information about how to connect Linux, Windows machines and 14481da177e4SLinus Torvalds Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. 14491da177e4SLinus Torvalds 1450c7736339SAndrew Morton To compile the SMB support as a module, choose M here: 1451c7736339SAndrew Morton the module will be called smbfs. Most people say N, however. 14521da177e4SLinus Torvalds 14531da177e4SLinus Torvaldsconfig SMB_NLS_DEFAULT 14541da177e4SLinus Torvalds bool "Use a default NLS" 14551da177e4SLinus Torvalds depends on SMB_FS 14561da177e4SLinus Torvalds help 14571da177e4SLinus Torvalds Enabling this will make smbfs use nls translations by default. You 14581da177e4SLinus Torvalds need to specify the local charset (CONFIG_NLS_DEFAULT) in the nls 14591da177e4SLinus Torvalds settings and you need to give the default nls for the SMB server as 14601da177e4SLinus Torvalds CONFIG_SMB_NLS_REMOTE. 14611da177e4SLinus Torvalds 14621da177e4SLinus Torvalds The nls settings can be changed at mount time, if your smbmount 14631da177e4SLinus Torvalds supports that, using the codepage and iocharset parameters. 14641da177e4SLinus Torvalds 14651da177e4SLinus Torvalds smbmount from samba 2.2.0 or later supports this. 14661da177e4SLinus Torvalds 14671da177e4SLinus Torvaldsconfig SMB_NLS_REMOTE 14681da177e4SLinus Torvalds string "Default Remote NLS Option" 14691da177e4SLinus Torvalds depends on SMB_NLS_DEFAULT 14701da177e4SLinus Torvalds default "cp437" 14711da177e4SLinus Torvalds help 14721da177e4SLinus Torvalds This setting allows you to specify a default value for which 14731da177e4SLinus Torvalds codepage the server uses. If this field is left blank no 14741da177e4SLinus Torvalds translations will be done by default. The local codepage/charset 14751da177e4SLinus Torvalds default to CONFIG_NLS_DEFAULT. 14761da177e4SLinus Torvalds 14771da177e4SLinus Torvalds The nls settings can be changed at mount time, if your smbmount 14781da177e4SLinus Torvalds supports that, using the codepage and iocharset parameters. 14791da177e4SLinus Torvalds 14801da177e4SLinus Torvalds smbmount from samba 2.2.0 or later supports this. 14811da177e4SLinus Torvalds 1482bb26b963SAlexey Dobriyansource "fs/cifs/Kconfig" 14836103335dSSteve French 14841da177e4SLinus Torvaldsconfig NCP_FS 14851da177e4SLinus Torvalds tristate "NCP file system support (to mount NetWare volumes)" 14861da177e4SLinus Torvalds depends on IPX!=n || INET 14871da177e4SLinus Torvalds help 14881da177e4SLinus Torvalds NCP (NetWare Core Protocol) is a protocol that runs over IPX and is 14891da177e4SLinus Torvalds used by Novell NetWare clients to talk to file servers. It is to 14901da177e4SLinus Torvalds IPX what NFS is to TCP/IP, if that helps. Saying Y here allows you 14911da177e4SLinus Torvalds to mount NetWare file server volumes and to access them just like 14921da177e4SLinus Torvalds any other Unix directory. For details, please read the file 14931da177e4SLinus Torvalds <file:Documentation/filesystems/ncpfs.txt> in the kernel source and 14941da177e4SLinus Torvalds the IPX-HOWTO from <http://www.tldp.org/docs.html#howto>. 14951da177e4SLinus Torvalds 14961da177e4SLinus Torvalds You do not have to say Y here if you want your Linux box to act as a 14971da177e4SLinus Torvalds file *server* for Novell NetWare clients. 14981da177e4SLinus Torvalds 14991da177e4SLinus Torvalds General information about how to connect Linux, Windows machines and 15001da177e4SLinus Torvalds Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>. 15011da177e4SLinus Torvalds 15021da177e4SLinus Torvalds To compile this as a module, choose M here: the module will be called 15031da177e4SLinus Torvalds ncpfs. Say N unless you are connected to a Novell network. 15041da177e4SLinus Torvalds 15051da177e4SLinus Torvaldssource "fs/ncpfs/Kconfig" 15061da177e4SLinus Torvalds 15071da177e4SLinus Torvaldsconfig CODA_FS 15081da177e4SLinus Torvalds tristate "Coda file system support (advanced network fs)" 15091da177e4SLinus Torvalds depends on INET 15101da177e4SLinus Torvalds help 15111da177e4SLinus Torvalds Coda is an advanced network file system, similar to NFS in that it 15121da177e4SLinus Torvalds enables you to mount file systems of a remote server and access them 15131da177e4SLinus Torvalds with regular Unix commands as if they were sitting on your hard 15141da177e4SLinus Torvalds disk. Coda has several advantages over NFS: support for 15151da177e4SLinus Torvalds disconnected operation (e.g. for laptops), read/write server 15161da177e4SLinus Torvalds replication, security model for authentication and encryption, 15171da177e4SLinus Torvalds persistent client caches and write back caching. 15181da177e4SLinus Torvalds 15191da177e4SLinus Torvalds If you say Y here, your Linux box will be able to act as a Coda 15201da177e4SLinus Torvalds *client*. You will need user level code as well, both for the 15211da177e4SLinus Torvalds client and server. Servers are currently user level, i.e. they need 15221da177e4SLinus Torvalds no kernel support. Please read 15231da177e4SLinus Torvalds <file:Documentation/filesystems/coda.txt> and check out the Coda 15241da177e4SLinus Torvalds home page <http://www.coda.cs.cmu.edu/>. 15251da177e4SLinus Torvalds 15261da177e4SLinus Torvalds To compile the coda client support as a module, choose M here: the 15271da177e4SLinus Torvalds module will be called coda. 15281da177e4SLinus Torvalds 15291da177e4SLinus Torvaldsconfig AFS_FS 153064aaa4f8SDavid Howells tristate "Andrew File System support (AFS) (EXPERIMENTAL)" 15311da177e4SLinus Torvalds depends on INET && EXPERIMENTAL 153208e0e7c8SDavid Howells select AF_RXRPC 15331da177e4SLinus Torvalds help 15341da177e4SLinus Torvalds If you say Y here, you will get an experimental Andrew File System 15351da177e4SLinus Torvalds driver. It currently only supports unsecured read-only AFS access. 15361da177e4SLinus Torvalds 1537cc2e2767SMatt LaPlante See <file:Documentation/filesystems/afs.txt> for more information. 15381da177e4SLinus Torvalds 15391da177e4SLinus Torvalds If unsure, say N. 15401da177e4SLinus Torvalds 154108e0e7c8SDavid Howellsconfig AFS_DEBUG 154208e0e7c8SDavid Howells bool "AFS dynamic debugging" 154308e0e7c8SDavid Howells depends on AFS_FS 154408e0e7c8SDavid Howells help 154508e0e7c8SDavid Howells Say Y here to make runtime controllable debugging messages appear. 154608e0e7c8SDavid Howells 154708e0e7c8SDavid Howells See <file:Documentation/filesystems/afs.txt> for more information. 154808e0e7c8SDavid Howells 154908e0e7c8SDavid Howells If unsure, say N. 155008e0e7c8SDavid Howells 155193fa58cbSEric Van Hensbergenconfig 9P_FS 155293fa58cbSEric Van Hensbergen tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)" 1553bd238fb4SLatchesar Ionkov depends on INET && NET_9P && EXPERIMENTAL 155493fa58cbSEric Van Hensbergen help 155593fa58cbSEric Van Hensbergen If you say Y here, you will get experimental support for 155693fa58cbSEric Van Hensbergen Plan 9 resource sharing via the 9P2000 protocol. 155793fa58cbSEric Van Hensbergen 155893fa58cbSEric Van Hensbergen See <http://v9fs.sf.net> for more information. 155993fa58cbSEric Van Hensbergen 156093fa58cbSEric Van Hensbergen If unsure, say N. 156193fa58cbSEric Van Hensbergen 1562ea0985adSJan Engelhardtendif # NETWORK_FILESYSTEMS 15631da177e4SLinus Torvalds 15649361401eSDavid Howellsif BLOCK 15651da177e4SLinus Torvaldsmenu "Partition Types" 15661da177e4SLinus Torvalds 15671da177e4SLinus Torvaldssource "fs/partitions/Kconfig" 15681da177e4SLinus Torvalds 15691da177e4SLinus Torvaldsendmenu 15709361401eSDavid Howellsendif 15711da177e4SLinus Torvalds 15721da177e4SLinus Torvaldssource "fs/nls/Kconfig" 1573e7fd4179SDavid Teiglandsource "fs/dlm/Kconfig" 15741da177e4SLinus Torvalds 15751da177e4SLinus Torvaldsendmenu 1576