xref: /linux/fs/Kconfig (revision 2c512397ca060f6dbcb3957174a91e29a3b769be)
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
25*2c512397SAdrian Bunk	default y if EXT2_FS=y && EXT2_FS_XATTR
26*2c512397SAdrian Bunk	default y if EXT3_FS=y && EXT3_FS_XATTR
27*2c512397SAdrian Bunk	default y if EXT4_FS=y && EXT4_FS_XATTR
28*2c512397SAdrian 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
27325fad945SRandy Dunlapconfig DNOTIFY
27425fad945SRandy Dunlap	bool "Dnotify support"
27525fad945SRandy Dunlap	default y
2761da177e4SLinus Torvalds	help
27725fad945SRandy Dunlap	  Dnotify is a directory-based per-fd file change notification system
27825fad945SRandy Dunlap	  that uses signals to communicate events to user-space.  There exist
27925fad945SRandy Dunlap	  superior alternatives, but some applications may still rely on
28025fad945SRandy Dunlap	  dnotify.
2811da177e4SLinus Torvalds
28225fad945SRandy Dunlap	  If unsure, say Y.
2839361401eSDavid Howells
2840eeca283SRobert Loveconfig INOTIFY
2850eeca283SRobert Love	bool "Inotify file change notification support"
2860eeca283SRobert Love	default y
2870eeca283SRobert Love	---help---
2882d9048e2SAmy Griffis	  Say Y here to enable inotify support.  Inotify is a file change
2892d9048e2SAmy Griffis	  notification system and a replacement for dnotify.  Inotify fixes
2902d9048e2SAmy Griffis	  numerous shortcomings in dnotify and introduces several new features
2912d9048e2SAmy Griffis	  including multiple file events, one-shot support, and unmount
2923de11748SRobert Love	  notification.
2933de11748SRobert Love
294e403149cSDirk Hohndel	  For more information, see <file:Documentation/filesystems/inotify.txt>
2950eeca283SRobert Love
2960eeca283SRobert Love	  If unsure, say Y.
2970eeca283SRobert Love
2982d9048e2SAmy Griffisconfig INOTIFY_USER
2992d9048e2SAmy Griffis	bool "Inotify support for userspace"
3002d9048e2SAmy Griffis	depends on INOTIFY
3012d9048e2SAmy Griffis	default y
3022d9048e2SAmy Griffis	---help---
3032d9048e2SAmy Griffis	  Say Y here to enable inotify support for userspace, including the
3042d9048e2SAmy Griffis	  associated system calls.  Inotify allows monitoring of both files and
3052d9048e2SAmy Griffis	  directories via a single open fd.  Events are read from the file
3062d9048e2SAmy Griffis	  descriptor, which is also select()- and poll()-able.
3072d9048e2SAmy Griffis
308e403149cSDirk Hohndel	  For more information, see <file:Documentation/filesystems/inotify.txt>
3092d9048e2SAmy Griffis
3102d9048e2SAmy Griffis	  If unsure, say Y.
3112d9048e2SAmy Griffis
3121da177e4SLinus Torvaldsconfig QUOTA
3131da177e4SLinus Torvalds	bool "Quota support"
3141da177e4SLinus Torvalds	help
3151da177e4SLinus Torvalds	  If you say Y here, you will be able to set per user limits for disk
3161da177e4SLinus Torvalds	  usage (also called disk quotas). Currently, it works for the
3171da177e4SLinus Torvalds	  ext2, ext3, and reiserfs file system. ext3 also supports journalled
3181da177e4SLinus Torvalds	  quotas for which you don't need to run quotacheck(8) after an unclean
319919532a5SAdrian Bunk	  shutdown.
320919532a5SAdrian Bunk	  For further details, read the Quota mini-HOWTO, available from
3211da177e4SLinus Torvalds	  <http://www.tldp.org/docs.html#howto>, or the documentation provided
3221da177e4SLinus Torvalds	  with the quota tools. Probably the quota support is only useful for
3231da177e4SLinus Torvalds	  multi user systems. If unsure, say N.
3241da177e4SLinus Torvalds
3258e893469SJan Karaconfig QUOTA_NETLINK_INTERFACE
3268e893469SJan Kara	bool "Report quota messages through netlink interface"
3278e893469SJan Kara	depends on QUOTA && NET
3288e893469SJan Kara	help
3298e893469SJan Kara	  If you say Y here, quota warnings (about exceeding softlimit, reaching
3308e893469SJan Kara	  hardlimit, etc.) will be reported through netlink interface. If unsure,
3318e893469SJan Kara	  say Y.
3328e893469SJan Kara
3338e893469SJan Karaconfig PRINT_QUOTA_WARNING
3348e893469SJan Kara	bool "Print quota warnings to console (OBSOLETE)"
3358e893469SJan Kara	depends on QUOTA
3368e893469SJan Kara	default y
3378e893469SJan Kara	help
3388e893469SJan Kara	  If you say Y here, quota warnings (about exceeding softlimit, reaching
3398e893469SJan Kara	  hardlimit, etc.) will be printed to the process' controlling terminal.
3408e893469SJan Kara	  Note that this behavior is currently deprecated and may go away in
3418e893469SJan Kara	  future. Please use notification via netlink socket instead.
3428e893469SJan Kara
3431da177e4SLinus Torvaldsconfig QFMT_V1
3441da177e4SLinus Torvalds	tristate "Old quota format support"
3451da177e4SLinus Torvalds	depends on QUOTA
3461da177e4SLinus Torvalds	help
3471da177e4SLinus Torvalds	  This quota format was (is) used by kernels earlier than 2.4.22. If
3481da177e4SLinus Torvalds	  you have quota working and you don't want to convert to new quota
3491da177e4SLinus Torvalds	  format say Y here.
3501da177e4SLinus Torvalds
3511da177e4SLinus Torvaldsconfig QFMT_V2
3521da177e4SLinus Torvalds	tristate "Quota format v2 support"
3531da177e4SLinus Torvalds	depends on QUOTA
3541da177e4SLinus Torvalds	help
3551da177e4SLinus Torvalds	  This quota format allows using quotas with 32-bit UIDs/GIDs. If you
356919532a5SAdrian Bunk	  need this functionality say Y here.
3571da177e4SLinus Torvalds
3581da177e4SLinus Torvaldsconfig QUOTACTL
3591da177e4SLinus Torvalds	bool
3601da177e4SLinus Torvalds	depends on XFS_QUOTA || QUOTA
3611da177e4SLinus Torvalds	default y
3621da177e4SLinus Torvalds
3631da177e4SLinus Torvaldsconfig AUTOFS_FS
3641da177e4SLinus Torvalds	tristate "Kernel automounter support"
3651da177e4SLinus Torvalds	help
3661da177e4SLinus Torvalds	  The automounter is a tool to automatically mount remote file systems
3671da177e4SLinus Torvalds	  on demand. This implementation is partially kernel-based to reduce
3681da177e4SLinus Torvalds	  overhead in the already-mounted case; this is unlike the BSD
3691da177e4SLinus Torvalds	  automounter (amd), which is a pure user space daemon.
3701da177e4SLinus Torvalds
3711da177e4SLinus Torvalds	  To use the automounter you need the user-space tools from the autofs
3721da177e4SLinus Torvalds	  package; you can find the location in <file:Documentation/Changes>.
3731da177e4SLinus Torvalds	  You also want to answer Y to "NFS file system support", below.
3741da177e4SLinus Torvalds
3751da177e4SLinus Torvalds	  If you want to use the newer version of the automounter with more
3761da177e4SLinus Torvalds	  features, say N here and say Y to "Kernel automounter v4 support",
3771da177e4SLinus Torvalds	  below.
3781da177e4SLinus Torvalds
3791da177e4SLinus Torvalds	  To compile this support as a module, choose M here: the module will be
3801da177e4SLinus Torvalds	  called autofs.
3811da177e4SLinus Torvalds
3821da177e4SLinus Torvalds	  If you are not a part of a fairly large, distributed network, you
3831da177e4SLinus Torvalds	  probably do not need an automounter, and can say N here.
3841da177e4SLinus Torvalds
3851da177e4SLinus Torvaldsconfig AUTOFS4_FS
3861da177e4SLinus Torvalds	tristate "Kernel automounter version 4 support (also supports v3)"
3871da177e4SLinus Torvalds	help
3881da177e4SLinus Torvalds	  The automounter is a tool to automatically mount remote file systems
3891da177e4SLinus Torvalds	  on demand. This implementation is partially kernel-based to reduce
3901da177e4SLinus Torvalds	  overhead in the already-mounted case; this is unlike the BSD
3911da177e4SLinus Torvalds	  automounter (amd), which is a pure user space daemon.
3921da177e4SLinus Torvalds
3931da177e4SLinus Torvalds	  To use the automounter you need the user-space tools from
3941da177e4SLinus Torvalds	  <ftp://ftp.kernel.org/pub/linux/daemons/autofs/v4/>; you also
3951da177e4SLinus Torvalds	  want to answer Y to "NFS file system support", below.
3961da177e4SLinus Torvalds
3971da177e4SLinus Torvalds	  To compile this support as a module, choose M here: the module will be
3981da177e4SLinus Torvalds	  called autofs4.  You will need to add "alias autofs autofs4" to your
3991da177e4SLinus Torvalds	  modules configuration file.
4001da177e4SLinus Torvalds
4011da177e4SLinus Torvalds	  If you are not a part of a fairly large, distributed network or
4021da177e4SLinus Torvalds	  don't have a laptop which needs to dynamically reconfigure to the
4031da177e4SLinus Torvalds	  local network, you probably do not need an automounter, and can say
4041da177e4SLinus Torvalds	  N here.
4051da177e4SLinus Torvalds
40604578f17SMiklos Szerediconfig FUSE_FS
40737194d07SRobert P. J. Day	tristate "FUSE (Filesystem in Userspace) support"
40804578f17SMiklos Szeredi	help
40904578f17SMiklos Szeredi	  With FUSE it is possible to implement a fully functional filesystem
41004578f17SMiklos Szeredi	  in a userspace program.
41104578f17SMiklos Szeredi
41204578f17SMiklos Szeredi	  There's also companion library: libfuse.  This library along with
41304578f17SMiklos Szeredi	  utilities is available from the FUSE homepage:
41404578f17SMiklos Szeredi	  <http://fuse.sourceforge.net/>
41504578f17SMiklos Szeredi
416909021eaSMiklos Szeredi	  See <file:Documentation/filesystems/fuse.txt> for more information.
417909021eaSMiklos Szeredi	  See <file:Documentation/Changes> for needed library/utility version.
418909021eaSMiklos Szeredi
41904578f17SMiklos Szeredi	  If you want to develop a userspace FS, or if you want to use
42004578f17SMiklos Szeredi	  a filesystem based on FUSE, answer Y or M.
42104578f17SMiklos Szeredi
422f2fbc6c2SRandy Dunlapconfig GENERIC_ACL
423f2fbc6c2SRandy Dunlap	bool
424f2fbc6c2SRandy Dunlap	select FS_POSIX_ACL
425f2fbc6c2SRandy Dunlap
4269361401eSDavid Howellsif BLOCK
4271da177e4SLinus Torvaldsmenu "CD-ROM/DVD Filesystems"
4281da177e4SLinus Torvalds
4291da177e4SLinus Torvaldsconfig ISO9660_FS
4301da177e4SLinus Torvalds	tristate "ISO 9660 CDROM file system support"
4311da177e4SLinus Torvalds	help
4321da177e4SLinus Torvalds	  This is the standard file system used on CD-ROMs.  It was previously
4331da177e4SLinus Torvalds	  known as "High Sierra File System" and is called "hsfs" on other
4341da177e4SLinus Torvalds	  Unix systems.  The so-called Rock-Ridge extensions which allow for
4351da177e4SLinus Torvalds	  long Unix filenames and symbolic links are also supported by this
4361da177e4SLinus Torvalds	  driver.  If you have a CD-ROM drive and want to do more with it than
4371da177e4SLinus Torvalds	  just listen to audio CDs and watch its LEDs, say Y (and read
4381da177e4SLinus Torvalds	  <file:Documentation/filesystems/isofs.txt> and the CD-ROM-HOWTO,
4391da177e4SLinus Torvalds	  available from <http://www.tldp.org/docs.html#howto>), thereby
4401da177e4SLinus Torvalds	  enlarging your kernel by about 27 KB; otherwise say N.
4411da177e4SLinus Torvalds
4421da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
4431da177e4SLinus Torvalds	  module will be called isofs.
4441da177e4SLinus Torvalds
4451da177e4SLinus Torvaldsconfig JOLIET
4461da177e4SLinus Torvalds	bool "Microsoft Joliet CDROM extensions"
4471da177e4SLinus Torvalds	depends on ISO9660_FS
4481da177e4SLinus Torvalds	select NLS
4491da177e4SLinus Torvalds	help
4501da177e4SLinus Torvalds	  Joliet is a Microsoft extension for the ISO 9660 CD-ROM file system
4511da177e4SLinus Torvalds	  which allows for long filenames in unicode format (unicode is the
4521da177e4SLinus Torvalds	  new 16 bit character code, successor to ASCII, which encodes the
4531da177e4SLinus Torvalds	  characters of almost all languages of the world; see
4541da177e4SLinus Torvalds	  <http://www.unicode.org/> for more information).  Say Y here if you
4551da177e4SLinus Torvalds	  want to be able to read Joliet CD-ROMs under Linux.
4561da177e4SLinus Torvalds
4571da177e4SLinus Torvaldsconfig ZISOFS
4581da177e4SLinus Torvalds	bool "Transparent decompression extension"
4591da177e4SLinus Torvalds	depends on ISO9660_FS
4601da177e4SLinus Torvalds	select ZLIB_INFLATE
4611da177e4SLinus Torvalds	help
4621da177e4SLinus Torvalds	  This is a Linux-specific extension to RockRidge which lets you store
4631da177e4SLinus Torvalds	  data in compressed form on a CD-ROM and have it transparently
4641da177e4SLinus Torvalds	  decompressed when the CD-ROM is accessed.  See
4651da177e4SLinus Torvalds	  <http://www.kernel.org/pub/linux/utils/fs/zisofs/> for the tools
4661da177e4SLinus Torvalds	  necessary to create such a filesystem.  Say Y here if you want to be
4671da177e4SLinus Torvalds	  able to read such compressed CD-ROMs.
4681da177e4SLinus Torvalds
4691da177e4SLinus Torvaldsconfig UDF_FS
4701da177e4SLinus Torvalds	tristate "UDF file system support"
471f845fcedSBob Copeland	select CRC_ITU_T
4721da177e4SLinus Torvalds	help
4731da177e4SLinus Torvalds	  This is the new file system used on some CD-ROMs and DVDs. Say Y if
4741da177e4SLinus Torvalds	  you intend to mount DVD discs or CDRW's written in packet mode, or
4751da177e4SLinus Torvalds	  if written to by other UDF utilities, such as DirectCD.
4761da177e4SLinus Torvalds	  Please read <file:Documentation/filesystems/udf.txt>.
4771da177e4SLinus Torvalds
4781da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
4791da177e4SLinus Torvalds	  module will be called udf.
4801da177e4SLinus Torvalds
4811da177e4SLinus Torvalds	  If unsure, say N.
4821da177e4SLinus Torvalds
4831da177e4SLinus Torvaldsconfig UDF_NLS
4841da177e4SLinus Torvalds	bool
4851da177e4SLinus Torvalds	default y
4861da177e4SLinus Torvalds	depends on (UDF_FS=m && NLS) || (UDF_FS=y && NLS=y)
4871da177e4SLinus Torvalds
4881da177e4SLinus Torvaldsendmenu
48925fad945SRandy Dunlapendif # BLOCK
4901da177e4SLinus Torvalds
4919361401eSDavid Howellsif BLOCK
4921da177e4SLinus Torvaldsmenu "DOS/FAT/NT Filesystems"
4931da177e4SLinus Torvalds
4941da177e4SLinus Torvaldsconfig FAT_FS
4951da177e4SLinus Torvalds	tristate
4961da177e4SLinus Torvalds	select NLS
4971da177e4SLinus Torvalds	help
4981da177e4SLinus Torvalds	  If you want to use one of the FAT-based file systems (the MS-DOS and
4991da177e4SLinus Torvalds	  VFAT (Windows 95) file systems), then you must say Y or M here
5001da177e4SLinus Torvalds	  to include FAT support. You will then be able to mount partitions or
5011da177e4SLinus Torvalds	  diskettes with FAT-based file systems and transparently access the
5021da177e4SLinus Torvalds	  files on them, i.e. MSDOS files will look and behave just like all
5031da177e4SLinus Torvalds	  other Unix files.
5041da177e4SLinus Torvalds
5051da177e4SLinus Torvalds	  This FAT support is not a file system in itself, it only provides
5061da177e4SLinus Torvalds	  the foundation for the other file systems. You will have to say Y or
5071da177e4SLinus Torvalds	  M to at least one of "MSDOS fs support" or "VFAT fs support" in
5081da177e4SLinus Torvalds	  order to make use of it.
5091da177e4SLinus Torvalds
5101da177e4SLinus Torvalds	  Another way to read and write MSDOS floppies and hard drive
5111da177e4SLinus Torvalds	  partitions from within Linux (but not transparently) is with the
5121da177e4SLinus Torvalds	  mtools ("man mtools") program suite. You don't need to say Y here in
5131da177e4SLinus Torvalds	  order to do that.
5141da177e4SLinus Torvalds
5151da177e4SLinus Torvalds	  If you need to move large files on floppies between a DOS and a
5161da177e4SLinus Torvalds	  Linux box, say Y here, mount the floppy under Linux with an MSDOS
5171da177e4SLinus Torvalds	  file system and use GNU tar's M option. GNU tar is a program
5181da177e4SLinus Torvalds	  available for Unix and DOS ("man tar" or "info tar").
5191da177e4SLinus Torvalds
5201da177e4SLinus Torvalds	  The FAT support will enlarge your kernel by about 37 KB. If unsure,
5211da177e4SLinus Torvalds	  say Y.
5221da177e4SLinus Torvalds
5231da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
5241da177e4SLinus Torvalds	  fat.  Note that if you compile the FAT support as a module, you
5251da177e4SLinus Torvalds	  cannot compile any of the FAT-based file systems into the kernel
5261da177e4SLinus Torvalds	  -- they will have to be modules as well.
5271da177e4SLinus Torvalds
5281da177e4SLinus Torvaldsconfig MSDOS_FS
5291da177e4SLinus Torvalds	tristate "MSDOS fs support"
5301da177e4SLinus Torvalds	select FAT_FS
5311da177e4SLinus Torvalds	help
5321da177e4SLinus Torvalds	  This allows you to mount MSDOS partitions of your hard drive (unless
5331da177e4SLinus Torvalds	  they are compressed; to access compressed MSDOS partitions under
5341da177e4SLinus Torvalds	  Linux, you can either use the DOS emulator DOSEMU, described in the
5351da177e4SLinus Torvalds	  DOSEMU-HOWTO, available from
5361da177e4SLinus Torvalds	  <http://www.tldp.org/docs.html#howto>, or try dmsdosfs in
5371da177e4SLinus Torvalds	  <ftp://ibiblio.org/pub/Linux/system/filesystems/dosfs/>. If you
5381da177e4SLinus Torvalds	  intend to use dosemu with a non-compressed MSDOS partition, say Y
5391da177e4SLinus Torvalds	  here) and MSDOS floppies. This means that file access becomes
5401da177e4SLinus Torvalds	  transparent, i.e. the MSDOS files look and behave just like all
5411da177e4SLinus Torvalds	  other Unix files.
5421da177e4SLinus Torvalds
5431da177e4SLinus Torvalds	  If you have Windows 95 or Windows NT installed on your MSDOS
5441da177e4SLinus Torvalds	  partitions, you should use the VFAT file system (say Y to "VFAT fs
5451da177e4SLinus Torvalds	  support" below), or you will not be able to see the long filenames
5461da177e4SLinus Torvalds	  generated by Windows 95 / Windows NT.
5471da177e4SLinus Torvalds
5481da177e4SLinus Torvalds	  This option will enlarge your kernel by about 7 KB. If unsure,
5491da177e4SLinus Torvalds	  answer Y. This will only work if you said Y to "DOS FAT fs support"
5501da177e4SLinus Torvalds	  as well. To compile this as a module, choose M here: the module will
5511da177e4SLinus Torvalds	  be called msdos.
5521da177e4SLinus Torvalds
5531da177e4SLinus Torvaldsconfig VFAT_FS
5541da177e4SLinus Torvalds	tristate "VFAT (Windows-95) fs support"
5551da177e4SLinus Torvalds	select FAT_FS
5561da177e4SLinus Torvalds	help
5571da177e4SLinus Torvalds	  This option provides support for normal Windows file systems with
5581da177e4SLinus Torvalds	  long filenames.  That includes non-compressed FAT-based file systems
5591da177e4SLinus Torvalds	  used by Windows 95, Windows 98, Windows NT 4.0, and the Unix
5601da177e4SLinus Torvalds	  programs from the mtools package.
5611da177e4SLinus Torvalds
5621da177e4SLinus Torvalds	  The VFAT support enlarges your kernel by about 10 KB and it only
5631da177e4SLinus Torvalds	  works if you said Y to the "DOS FAT fs support" above.  Please read
5641da177e4SLinus Torvalds	  the file <file:Documentation/filesystems/vfat.txt> for details.  If
5651da177e4SLinus Torvalds	  unsure, say Y.
5661da177e4SLinus Torvalds
5671da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
5681da177e4SLinus Torvalds	  vfat.
5691da177e4SLinus Torvalds
5701da177e4SLinus Torvaldsconfig FAT_DEFAULT_CODEPAGE
5711da177e4SLinus Torvalds	int "Default codepage for FAT"
5721da177e4SLinus Torvalds	depends on MSDOS_FS || VFAT_FS
5731da177e4SLinus Torvalds	default 437
5741da177e4SLinus Torvalds	help
5751da177e4SLinus Torvalds	  This option should be set to the codepage of your FAT filesystems.
5761da177e4SLinus Torvalds	  It can be overridden with the "codepage" mount option.
5771da177e4SLinus Torvalds	  See <file:Documentation/filesystems/vfat.txt> for more information.
5781da177e4SLinus Torvalds
5791da177e4SLinus Torvaldsconfig FAT_DEFAULT_IOCHARSET
5801da177e4SLinus Torvalds	string "Default iocharset for FAT"
5811da177e4SLinus Torvalds	depends on VFAT_FS
5821da177e4SLinus Torvalds	default "iso8859-1"
5831da177e4SLinus Torvalds	help
5841da177e4SLinus Torvalds	  Set this to the default input/output character set you'd
5851da177e4SLinus Torvalds	  like FAT to use. It should probably match the character set
5861da177e4SLinus Torvalds	  that most of your FAT filesystems use, and can be overridden
5871da177e4SLinus Torvalds	  with the "iocharset" mount option for FAT filesystems.
5881da177e4SLinus Torvalds	  Note that "utf8" is not recommended for FAT filesystems.
5891da177e4SLinus Torvalds	  If unsure, you shouldn't set "utf8" here.
5901da177e4SLinus Torvalds	  See <file:Documentation/filesystems/vfat.txt> for more information.
5911da177e4SLinus Torvalds
5921da177e4SLinus Torvaldsconfig NTFS_FS
5931da177e4SLinus Torvalds	tristate "NTFS file system support"
5941da177e4SLinus Torvalds	select NLS
5951da177e4SLinus Torvalds	help
5961da177e4SLinus Torvalds	  NTFS is the file system of Microsoft Windows NT, 2000, XP and 2003.
5971da177e4SLinus Torvalds
5981da177e4SLinus Torvalds	  Saying Y or M here enables read support.  There is partial, but
5991da177e4SLinus Torvalds	  safe, write support available.  For write support you must also
6001da177e4SLinus Torvalds	  say Y to "NTFS write support" below.
6011da177e4SLinus Torvalds
6021da177e4SLinus Torvalds	  There are also a number of user-space tools available, called
6031da177e4SLinus Torvalds	  ntfsprogs.  These include ntfsundelete and ntfsresize, that work
6041da177e4SLinus Torvalds	  without NTFS support enabled in the kernel.
6051da177e4SLinus Torvalds
6061da177e4SLinus Torvalds	  This is a rewrite from scratch of Linux NTFS support and replaced
6071da177e4SLinus Torvalds	  the old NTFS code starting with Linux 2.5.11.  A backport to
6081da177e4SLinus Torvalds	  the Linux 2.4 kernel series is separately available as a patch
6091da177e4SLinus Torvalds	  from the project web site.
6101da177e4SLinus Torvalds
6111da177e4SLinus Torvalds	  For more information see <file:Documentation/filesystems/ntfs.txt>
612337e2ab5SJess Guerrero	  and <http://www.linux-ntfs.org/>.
6131da177e4SLinus Torvalds
6141da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
6151da177e4SLinus Torvalds	  module will be called ntfs.
6161da177e4SLinus Torvalds
6171da177e4SLinus Torvalds	  If you are not using Windows NT, 2000, XP or 2003 in addition to
6181da177e4SLinus Torvalds	  Linux on your computer it is safe to say N.
6191da177e4SLinus Torvalds
6201da177e4SLinus Torvaldsconfig NTFS_DEBUG
6211da177e4SLinus Torvalds	bool "NTFS debugging support"
6221da177e4SLinus Torvalds	depends on NTFS_FS
6231da177e4SLinus Torvalds	help
6241da177e4SLinus Torvalds	  If you are experiencing any problems with the NTFS file system, say
6251da177e4SLinus Torvalds	  Y here.  This will result in additional consistency checks to be
6261da177e4SLinus Torvalds	  performed by the driver as well as additional debugging messages to
6271da177e4SLinus Torvalds	  be written to the system log.  Note that debugging messages are
6281da177e4SLinus Torvalds	  disabled by default.  To enable them, supply the option debug_msgs=1
6291da177e4SLinus Torvalds	  at the kernel command line when booting the kernel or as an option
6301da177e4SLinus Torvalds	  to insmod when loading the ntfs module.  Once the driver is active,
6311da177e4SLinus Torvalds	  you can enable debugging messages by doing (as root):
6321da177e4SLinus Torvalds	  echo 1 > /proc/sys/fs/ntfs-debug
6331da177e4SLinus Torvalds	  Replacing the "1" with "0" would disable debug messages.
6341da177e4SLinus Torvalds
6351da177e4SLinus Torvalds	  If you leave debugging messages disabled, this results in little
6361da177e4SLinus Torvalds	  overhead, but enabling debug messages results in very significant
6371da177e4SLinus Torvalds	  slowdown of the system.
6381da177e4SLinus Torvalds
6391da177e4SLinus Torvalds	  When reporting bugs, please try to have available a full dump of
6401da177e4SLinus Torvalds	  debugging messages while the misbehaviour was occurring.
6411da177e4SLinus Torvalds
6421da177e4SLinus Torvaldsconfig NTFS_RW
6431da177e4SLinus Torvalds	bool "NTFS write support"
6441da177e4SLinus Torvalds	depends on NTFS_FS
6451da177e4SLinus Torvalds	help
6461da177e4SLinus Torvalds	  This enables the partial, but safe, write support in the NTFS driver.
6471da177e4SLinus Torvalds
6481da177e4SLinus Torvalds	  The only supported operation is overwriting existing files, without
6491da177e4SLinus Torvalds	  changing the file length.  No file or directory creation, deletion or
6501da177e4SLinus Torvalds	  renaming is possible.  Note only non-resident files can be written to
6511da177e4SLinus Torvalds	  so you may find that some very small files (<500 bytes or so) cannot
6521da177e4SLinus Torvalds	  be written to.
6531da177e4SLinus Torvalds
6541da177e4SLinus Torvalds	  While we cannot guarantee that it will not damage any data, we have
6551da177e4SLinus Torvalds	  so far not received a single report where the driver would have
6561da177e4SLinus Torvalds	  damaged someones data so we assume it is perfectly safe to use.
6571da177e4SLinus Torvalds
6581da177e4SLinus Torvalds	  Note:  While write support is safe in this version (a rewrite from
6591da177e4SLinus Torvalds	  scratch of the NTFS support), it should be noted that the old NTFS
6601da177e4SLinus Torvalds	  write support, included in Linux 2.5.10 and before (since 1997),
6611da177e4SLinus Torvalds	  is not safe.
6621da177e4SLinus Torvalds
6631da177e4SLinus Torvalds	  This is currently useful with TopologiLinux.  TopologiLinux is run
6641da177e4SLinus Torvalds	  on top of any DOS/Microsoft Windows system without partitioning your
6651da177e4SLinus Torvalds	  hard disk.  Unlike other Linux distributions TopologiLinux does not
6661da177e4SLinus Torvalds	  need its own partition.  For more information see
6671da177e4SLinus Torvalds	  <http://topologi-linux.sourceforge.net/>
6681da177e4SLinus Torvalds
6691da177e4SLinus Torvalds	  It is perfectly safe to say N here.
6701da177e4SLinus Torvalds
6711da177e4SLinus Torvaldsendmenu
67225fad945SRandy Dunlapendif # BLOCK
6731da177e4SLinus Torvalds
6741da177e4SLinus Torvaldsmenu "Pseudo filesystems"
6751da177e4SLinus Torvalds
6766eedf8d3SAlexey Dobriyansource "fs/proc/Kconfig"
677b89a8171SEric W. Biederman
6781da177e4SLinus Torvaldsconfig SYSFS
6791da177e4SLinus Torvalds	bool "sysfs file system support" if EMBEDDED
6801da177e4SLinus Torvalds	default y
6811da177e4SLinus Torvalds	help
6821da177e4SLinus Torvalds	The sysfs filesystem is a virtual filesystem that the kernel uses to
6831da177e4SLinus Torvalds	export internal kernel objects, their attributes, and their
6841da177e4SLinus Torvalds	relationships to one another.
6851da177e4SLinus Torvalds
6861da177e4SLinus Torvalds	Users can use sysfs to ascertain useful information about the running
6871da177e4SLinus Torvalds	kernel, such as the devices the kernel has discovered on each bus and
6881da177e4SLinus Torvalds	which driver each is bound to. sysfs can also be used to tune devices
6891da177e4SLinus Torvalds	and other kernel subsystems.
6901da177e4SLinus Torvalds
6911da177e4SLinus Torvalds	Some system agents rely on the information in sysfs to operate.
6921da177e4SLinus Torvalds	/sbin/hotplug uses device and object attributes in sysfs to assist in
69303a67a46SJan Engelhardt	delegating policy decisions, like persistently naming devices.
6941da177e4SLinus Torvalds
6951da177e4SLinus Torvalds	sysfs is currently used by the block subsystem to mount the root
6961da177e4SLinus Torvalds	partition.  If sysfs is disabled you must specify the boot device on
6971da177e4SLinus Torvalds	the kernel boot command line via its major and minor numbers.  For
6981da177e4SLinus Torvalds	example, "root=03:01" for /dev/hda1.
6991da177e4SLinus Torvalds
7001da177e4SLinus Torvalds	Designers of embedded systems may wish to say N here to conserve space.
7011da177e4SLinus Torvalds
7021da177e4SLinus Torvaldsconfig TMPFS
7031da177e4SLinus Torvalds	bool "Virtual memory file system support (former shm fs)"
7041da177e4SLinus Torvalds	help
7051da177e4SLinus Torvalds	  Tmpfs is a file system which keeps all files in virtual memory.
7061da177e4SLinus Torvalds
7071da177e4SLinus Torvalds	  Everything in tmpfs is temporary in the sense that no files will be
7081da177e4SLinus Torvalds	  created on your hard drive. The files live in memory and swap
7091da177e4SLinus Torvalds	  space. If you unmount a tmpfs instance, everything stored therein is
7101da177e4SLinus Torvalds	  lost.
7111da177e4SLinus Torvalds
7121da177e4SLinus Torvalds	  See <file:Documentation/filesystems/tmpfs.txt> for details.
7131da177e4SLinus Torvalds
71439f0247dSAndreas Gruenbacherconfig TMPFS_POSIX_ACL
71539f0247dSAndreas Gruenbacher	bool "Tmpfs POSIX Access Control Lists"
71639f0247dSAndreas Gruenbacher	depends on TMPFS
71739f0247dSAndreas Gruenbacher	select GENERIC_ACL
71839f0247dSAndreas Gruenbacher	help
71939f0247dSAndreas Gruenbacher	  POSIX Access Control Lists (ACLs) support permissions for users and
72039f0247dSAndreas Gruenbacher	  groups beyond the owner/group/world scheme.
72139f0247dSAndreas Gruenbacher
72239f0247dSAndreas Gruenbacher	  To learn more about Access Control Lists, visit the POSIX ACLs for
72339f0247dSAndreas Gruenbacher	  Linux website <http://acl.bestbits.at/>.
72439f0247dSAndreas Gruenbacher
72539f0247dSAndreas Gruenbacher	  If you don't know what Access Control Lists are, say N.
72639f0247dSAndreas Gruenbacher
7271da177e4SLinus Torvaldsconfig HUGETLBFS
7281da177e4SLinus Torvalds	bool "HugeTLB file system support"
72953492b1dSGerald Schaefer	depends on X86 || IA64 || PPC64 || SPARC64 || (SUPERH && MMU) || \
73053492b1dSGerald Schaefer		   (S390 && 64BIT) || BROKEN
731dda27d1aSArthur Othieno	help
732dda27d1aSArthur Othieno	  hugetlbfs is a filesystem backing for HugeTLB pages, based on
733dda27d1aSArthur Othieno	  ramfs. For architectures that support it, say Y here and read
734dda27d1aSArthur Othieno	  <file:Documentation/vm/hugetlbpage.txt> for details.
735dda27d1aSArthur Othieno
736dda27d1aSArthur Othieno	  If unsure, say N.
7371da177e4SLinus Torvalds
7381da177e4SLinus Torvaldsconfig HUGETLB_PAGE
7391da177e4SLinus Torvalds	def_bool HUGETLBFS
7401da177e4SLinus Torvalds
7417063fbf2SJoel Beckerconfig CONFIGFS_FS
74202ac0499SJoel Becker	tristate "Userspace-driven configuration filesystem"
74302ac0499SJoel Becker	depends on SYSFS
7447063fbf2SJoel Becker	help
7457063fbf2SJoel Becker	  configfs is a ram-based filesystem that provides the converse
7467063fbf2SJoel Becker	  of sysfs's functionality. Where sysfs is a filesystem-based
7477063fbf2SJoel Becker	  view of kernel objects, configfs is a filesystem-based manager
7487063fbf2SJoel Becker	  of kernel objects, or config_items.
7497063fbf2SJoel Becker
7507063fbf2SJoel Becker	  Both sysfs and configfs can and should exist together on the
7517063fbf2SJoel Becker	  same system. One is not a replacement for the other.
7527063fbf2SJoel Becker
7531da177e4SLinus Torvaldsendmenu
7541da177e4SLinus Torvalds
7551da177e4SLinus Torvaldsmenu "Miscellaneous filesystems"
7561da177e4SLinus Torvalds
7571da177e4SLinus Torvaldsconfig ADFS_FS
7581da177e4SLinus Torvalds	tristate "ADFS file system support (EXPERIMENTAL)"
7599361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
7601da177e4SLinus Torvalds	help
7611da177e4SLinus Torvalds	  The Acorn Disc Filing System is the standard file system of the
7621da177e4SLinus Torvalds	  RiscOS operating system which runs on Acorn's ARM-based Risc PC
7631da177e4SLinus Torvalds	  systems and the Acorn Archimedes range of machines. If you say Y
7641da177e4SLinus Torvalds	  here, Linux will be able to read from ADFS partitions on hard drives
7651da177e4SLinus Torvalds	  and from ADFS-formatted floppy discs. If you also want to be able to
7661da177e4SLinus Torvalds	  write to those devices, say Y to "ADFS write support" below.
7671da177e4SLinus Torvalds
7681da177e4SLinus Torvalds	  The ADFS partition should be the first partition (i.e.,
7691da177e4SLinus Torvalds	  /dev/[hs]d?1) on each of your drives. Please read the file
7701da177e4SLinus Torvalds	  <file:Documentation/filesystems/adfs.txt> for further details.
7711da177e4SLinus Torvalds
7721da177e4SLinus Torvalds	  To compile this code as a module, choose M here: the module will be
7731da177e4SLinus Torvalds	  called adfs.
7741da177e4SLinus Torvalds
7751da177e4SLinus Torvalds	  If unsure, say N.
7761da177e4SLinus Torvalds
7771da177e4SLinus Torvaldsconfig ADFS_FS_RW
7781da177e4SLinus Torvalds	bool "ADFS write support (DANGEROUS)"
7791da177e4SLinus Torvalds	depends on ADFS_FS
7801da177e4SLinus Torvalds	help
7811da177e4SLinus Torvalds	  If you say Y here, you will be able to write to ADFS partitions on
7821da177e4SLinus Torvalds	  hard drives and ADFS-formatted floppy disks. This is experimental
7831da177e4SLinus Torvalds	  codes, so if you're unsure, say N.
7841da177e4SLinus Torvalds
7851da177e4SLinus Torvaldsconfig AFFS_FS
7861da177e4SLinus Torvalds	tristate "Amiga FFS file system support (EXPERIMENTAL)"
7879361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
7881da177e4SLinus Torvalds	help
7891da177e4SLinus Torvalds	  The Fast File System (FFS) is the common file system used on hard
7901da177e4SLinus Torvalds	  disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20).  Say Y
7911da177e4SLinus Torvalds	  if you want to be able to read and write files from and to an Amiga
7921da177e4SLinus Torvalds	  FFS partition on your hard drive.  Amiga floppies however cannot be
7931da177e4SLinus Torvalds	  read with this driver due to an incompatibility of the floppy
7941da177e4SLinus Torvalds	  controller used in an Amiga and the standard floppy controller in
7951da177e4SLinus Torvalds	  PCs and workstations. Read <file:Documentation/filesystems/affs.txt>
7961da177e4SLinus Torvalds	  and <file:fs/affs/Changes>.
7971da177e4SLinus Torvalds
7981da177e4SLinus Torvalds	  With this driver you can also mount disk files used by Bernd
7991da177e4SLinus Torvalds	  Schmidt's Un*X Amiga Emulator
8001da177e4SLinus Torvalds	  (<http://www.freiburg.linux.de/~uae/>).
8011da177e4SLinus Torvalds	  If you want to do this, you will also need to say Y or M to "Loop
8021da177e4SLinus Torvalds	  device support", above.
8031da177e4SLinus Torvalds
8041da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
8051da177e4SLinus Torvalds	  module will be called affs.  If unsure, say N.
8061da177e4SLinus Torvalds
807237fead6SMichael Halcrowconfig ECRYPT_FS
808237fead6SMichael Halcrow	tristate "eCrypt filesystem layer support (EXPERIMENTAL)"
80988b4a07eSMichael Halcrow	depends on EXPERIMENTAL && KEYS && CRYPTO && NET
810237fead6SMichael Halcrow	help
811237fead6SMichael Halcrow	  Encrypted filesystem that operates on the VFS layer.  See
812e403149cSDirk Hohndel	  <file:Documentation/filesystems/ecryptfs.txt> to learn more about
813237fead6SMichael Halcrow	  eCryptfs.  Userspace components are required and can be
814237fead6SMichael Halcrow	  obtained from <http://ecryptfs.sf.net>.
815237fead6SMichael Halcrow
816237fead6SMichael Halcrow	  To compile this file system support as a module, choose M here: the
817237fead6SMichael Halcrow	  module will be called ecryptfs.
818237fead6SMichael Halcrow
8191da177e4SLinus Torvaldsconfig HFS_FS
8201da177e4SLinus Torvalds	tristate "Apple Macintosh file system support (EXPERIMENTAL)"
8219361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
822878129a3SLennert Buytenhek	select NLS
8231da177e4SLinus Torvalds	help
8241da177e4SLinus Torvalds	  If you say Y here, you will be able to mount Macintosh-formatted
8251da177e4SLinus Torvalds	  floppy disks and hard drive partitions with full read-write access.
826889c94a1SJohann Felix Soden	  Please read <file:Documentation/filesystems/hfs.txt> to learn about
827889c94a1SJohann Felix Soden	  the available mount options.
8281da177e4SLinus Torvalds
8291da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
8301da177e4SLinus Torvalds	  module will be called hfs.
8311da177e4SLinus Torvalds
8321da177e4SLinus Torvaldsconfig HFSPLUS_FS
8331da177e4SLinus Torvalds	tristate "Apple Extended HFS file system support"
8349361401eSDavid Howells	depends on BLOCK
8351da177e4SLinus Torvalds	select NLS
8361da177e4SLinus Torvalds	select NLS_UTF8
8371da177e4SLinus Torvalds	help
8381da177e4SLinus Torvalds	  If you say Y here, you will be able to mount extended format
8391da177e4SLinus Torvalds	  Macintosh-formatted hard drive partitions with full read-write access.
8401da177e4SLinus Torvalds
8411da177e4SLinus Torvalds	  This file system is often called HFS+ and was introduced with
8421da177e4SLinus Torvalds	  MacOS 8. It includes all Mac specific filesystem data such as
8431da177e4SLinus Torvalds	  data forks and creator codes, but it also has several UNIX
8441da177e4SLinus Torvalds	  style features such as file ownership and permissions.
8451da177e4SLinus Torvalds
8461da177e4SLinus Torvaldsconfig BEFS_FS
8471da177e4SLinus Torvalds	tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)"
8489361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
8491da177e4SLinus Torvalds	select NLS
8501da177e4SLinus Torvalds	help
8511da177e4SLinus Torvalds	  The BeOS File System (BeFS) is the native file system of Be, Inc's
8521da177e4SLinus Torvalds	  BeOS. Notable features include support for arbitrary attributes
8533cb2fcccSMatt LaPlante	  on files and directories, and database-like indices on selected
8541da177e4SLinus Torvalds	  attributes. (Also note that this driver doesn't make those features
8551da177e4SLinus Torvalds	  available at this time). It is a 64 bit filesystem, so it supports
85644c09201SMatt LaPlante	  extremely large volumes and files.
8571da177e4SLinus Torvalds
8581da177e4SLinus Torvalds	  If you use this filesystem, you should also say Y to at least one
8591da177e4SLinus Torvalds	  of the NLS (native language support) options below.
8601da177e4SLinus Torvalds
8611da177e4SLinus Torvalds	  If you don't know what this is about, say N.
8621da177e4SLinus Torvalds
8631da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be
8641da177e4SLinus Torvalds	  called befs.
8651da177e4SLinus Torvalds
8661da177e4SLinus Torvaldsconfig BEFS_DEBUG
8671da177e4SLinus Torvalds	bool "Debug BeFS"
8681da177e4SLinus Torvalds	depends on BEFS_FS
8691da177e4SLinus Torvalds	help
8701da177e4SLinus Torvalds	  If you say Y here, you can use the 'debug' mount option to enable
8711da177e4SLinus Torvalds	  debugging output from the driver.
8721da177e4SLinus Torvalds
8731da177e4SLinus Torvaldsconfig BFS_FS
8741da177e4SLinus Torvalds	tristate "BFS file system support (EXPERIMENTAL)"
8759361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
8761da177e4SLinus Torvalds	help
8771da177e4SLinus Torvalds	  Boot File System (BFS) is a file system used under SCO UnixWare to
8781da177e4SLinus Torvalds	  allow the bootloader access to the kernel image and other important
8791da177e4SLinus Torvalds	  files during the boot process.  It is usually mounted under /stand
8801da177e4SLinus Torvalds	  and corresponds to the slice marked as "STAND" in the UnixWare
8811da177e4SLinus Torvalds	  partition.  You should say Y if you want to read or write the files
8821da177e4SLinus Torvalds	  on your /stand slice from within Linux.  You then also need to say Y
8831da177e4SLinus Torvalds	  to "UnixWare slices support", below.  More information about the BFS
8841da177e4SLinus Torvalds	  file system is contained in the file
8851da177e4SLinus Torvalds	  <file:Documentation/filesystems/bfs.txt>.
8861da177e4SLinus Torvalds
8871da177e4SLinus Torvalds	  If you don't know what this is about, say N.
8881da177e4SLinus Torvalds
8891da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
8901da177e4SLinus Torvalds	  bfs.  Note that the file system of your root partition (the one
8911da177e4SLinus Torvalds	  containing the directory /) cannot be compiled as a module.
8921da177e4SLinus Torvalds
8931da177e4SLinus Torvalds
8941da177e4SLinus Torvalds
8951da177e4SLinus Torvaldsconfig EFS_FS
8961da177e4SLinus Torvalds	tristate "EFS file system support (read only) (EXPERIMENTAL)"
8979361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
8981da177e4SLinus Torvalds	help
8991da177e4SLinus Torvalds	  EFS is an older file system used for non-ISO9660 CD-ROMs and hard
9001da177e4SLinus Torvalds	  disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer
9011da177e4SLinus Torvalds	  uses the XFS file system for hard disk partitions however).
9021da177e4SLinus Torvalds
9031da177e4SLinus Torvalds	  This implementation only offers read-only access. If you don't know
9041da177e4SLinus Torvalds	  what all this is about, it's safe to say N. For more information
9051da177e4SLinus Torvalds	  about EFS see its home page at <http://aeschi.ch.eu.org/efs/>.
9061da177e4SLinus Torvalds
9071da177e4SLinus Torvalds	  To compile the EFS file system support as a module, choose M here: the
9081da177e4SLinus Torvalds	  module will be called efs.
9091da177e4SLinus Torvalds
91031db6e9eSAlexey Dobriyansource "fs/jffs2/Kconfig"
9110d7eff87SArtem Bityutskiy# UBIFS File system configuration
9120d7eff87SArtem Bityutskiysource "fs/ubifs/Kconfig"
9130d7eff87SArtem Bityutskiy
9141da177e4SLinus Torvaldsconfig CRAMFS
9151da177e4SLinus Torvalds	tristate "Compressed ROM file system support (cramfs)"
9169361401eSDavid Howells	depends on BLOCK
9171da177e4SLinus Torvalds	select ZLIB_INFLATE
9181da177e4SLinus Torvalds	help
9191da177e4SLinus Torvalds	  Saying Y here includes support for CramFs (Compressed ROM File
9201da177e4SLinus Torvalds	  System).  CramFs is designed to be a simple, small, and compressed
9211da177e4SLinus Torvalds	  file system for ROM based embedded systems.  CramFs is read-only,
9221da177e4SLinus Torvalds	  limited to 256MB file systems (with 16MB files), and doesn't support
9231da177e4SLinus Torvalds	  16/32 bits uid/gid, hard links and timestamps.
9241da177e4SLinus Torvalds
9251da177e4SLinus Torvalds	  See <file:Documentation/filesystems/cramfs.txt> and
9261da177e4SLinus Torvalds	  <file:fs/cramfs/README> for further information.
9271da177e4SLinus Torvalds
9281da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
9291da177e4SLinus Torvalds	  cramfs.  Note that the root file system (the one containing the
9301da177e4SLinus Torvalds	  directory /) cannot be compiled as a module.
9311da177e4SLinus Torvalds
9321da177e4SLinus Torvalds	  If unsure, say N.
9331da177e4SLinus Torvalds
9341da177e4SLinus Torvaldsconfig VXFS_FS
9351da177e4SLinus Torvalds	tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)"
9369361401eSDavid Howells	depends on BLOCK
9371da177e4SLinus Torvalds	help
9381da177e4SLinus Torvalds	  FreeVxFS is a file system driver that support the VERITAS VxFS(TM)
9391da177e4SLinus Torvalds	  file system format.  VERITAS VxFS(TM) is the standard file system
9401da177e4SLinus Torvalds	  of SCO UnixWare (and possibly others) and optionally available
9411da177e4SLinus Torvalds	  for Sunsoft Solaris, HP-UX and many other operating systems.
9421da177e4SLinus Torvalds	  Currently only readonly access is supported.
9431da177e4SLinus Torvalds
9441da177e4SLinus Torvalds	  NOTE: the file system type as used by mount(1), mount(2) and
9451da177e4SLinus Torvalds	  fstab(5) is 'vxfs' as it describes the file system format, not
9461da177e4SLinus Torvalds	  the actual driver.
9471da177e4SLinus Torvalds
9481da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be
9491da177e4SLinus Torvalds	  called freevxfs.  If unsure, say N.
9501da177e4SLinus Torvalds
95125fad945SRandy Dunlapconfig MINIX_FS
95225fad945SRandy Dunlap	tristate "Minix file system support"
95325fad945SRandy Dunlap	depends on BLOCK
95425fad945SRandy Dunlap	help
95525fad945SRandy Dunlap	  Minix is a simple operating system used in many classes about OS's.
95625fad945SRandy Dunlap	  The minix file system (method to organize files on a hard disk
95725fad945SRandy Dunlap	  partition or a floppy disk) was the original file system for Linux,
95825fad945SRandy Dunlap	  but has been superseded by the second extended file system ext2fs.
95925fad945SRandy Dunlap	  You don't want to use the minix file system on your hard disk
96025fad945SRandy Dunlap	  because of certain built-in restrictions, but it is sometimes found
96125fad945SRandy Dunlap	  on older Linux floppy disks.  This option will enlarge your kernel
96225fad945SRandy Dunlap	  by about 28 KB. If unsure, say N.
96325fad945SRandy Dunlap
96425fad945SRandy Dunlap	  To compile this file system support as a module, choose M here: the
96525fad945SRandy Dunlap	  module will be called minix.  Note that the file system of your root
96625fad945SRandy Dunlap	  partition (the one containing the directory /) cannot be compiled as
96725fad945SRandy Dunlap	  a module.
96825fad945SRandy Dunlap
96963ca8ce2SBob Copelandconfig OMFS_FS
97063ca8ce2SBob Copeland	tristate "SonicBlue Optimized MPEG File System support"
97163ca8ce2SBob Copeland	depends on BLOCK
97263ca8ce2SBob Copeland	select CRC_ITU_T
97363ca8ce2SBob Copeland	help
97463ca8ce2SBob Copeland	  This is the proprietary file system used by the Rio Karma music
97563ca8ce2SBob Copeland	  player and ReplayTV DVR.  Despite the name, this filesystem is not
97663ca8ce2SBob Copeland	  more efficient than a standard FS for MPEG files, in fact likely
97763ca8ce2SBob Copeland	  the opposite is true.  Say Y if you have either of these devices
97863ca8ce2SBob Copeland	  and wish to mount its disk.
97963ca8ce2SBob Copeland
98063ca8ce2SBob Copeland	  To compile this file system support as a module, choose M here: the
98163ca8ce2SBob Copeland	  module will be called omfs.  If unsure, say N.
9821da177e4SLinus Torvalds
9831da177e4SLinus Torvaldsconfig HPFS_FS
9841da177e4SLinus Torvalds	tristate "OS/2 HPFS file system support"
9859361401eSDavid Howells	depends on BLOCK
9861da177e4SLinus Torvalds	help
9871da177e4SLinus Torvalds	  OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS
9881da177e4SLinus Torvalds	  is the file system used for organizing files on OS/2 hard disk
9891da177e4SLinus Torvalds	  partitions. Say Y if you want to be able to read files from and
9901da177e4SLinus Torvalds	  write files to an OS/2 HPFS partition on your hard drive. OS/2
9911da177e4SLinus Torvalds	  floppies however are in regular MSDOS format, so you don't need this
9921da177e4SLinus Torvalds	  option in order to be able to read them. Read
9931da177e4SLinus Torvalds	  <file:Documentation/filesystems/hpfs.txt>.
9941da177e4SLinus Torvalds
9951da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
9961da177e4SLinus Torvalds	  module will be called hpfs.  If unsure, say N.
9971da177e4SLinus Torvalds
9981da177e4SLinus Torvalds
9991da177e4SLinus Torvaldsconfig QNX4FS_FS
10001da177e4SLinus Torvalds	tristate "QNX4 file system support (read only)"
10019361401eSDavid Howells	depends on BLOCK
10021da177e4SLinus Torvalds	help
10031da177e4SLinus Torvalds	  This is the file system used by the real-time operating systems
10041da177e4SLinus Torvalds	  QNX 4 and QNX 6 (the latter is also called QNX RTP).
10051da177e4SLinus Torvalds	  Further information is available at <http://www.qnx.com/>.
10061da177e4SLinus Torvalds	  Say Y if you intend to mount QNX hard disks or floppies.
10071da177e4SLinus Torvalds	  Unless you say Y to "QNX4FS read-write support" below, you will
10081da177e4SLinus Torvalds	  only be able to read these file systems.
10091da177e4SLinus Torvalds
10101da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
10111da177e4SLinus Torvalds	  module will be called qnx4.
10121da177e4SLinus Torvalds
10131da177e4SLinus Torvalds	  If you don't know whether you need it, then you don't need it:
10141da177e4SLinus Torvalds	  answer N.
10151da177e4SLinus Torvalds
10161da177e4SLinus Torvaldsconfig QNX4FS_RW
10171da177e4SLinus Torvalds	bool "QNX4FS write support (DANGEROUS)"
10181da177e4SLinus Torvalds	depends on QNX4FS_FS && EXPERIMENTAL && BROKEN
10191da177e4SLinus Torvalds	help
10201da177e4SLinus Torvalds	  Say Y if you want to test write support for QNX4 file systems.
10211da177e4SLinus Torvalds
10221da177e4SLinus Torvalds	  It's currently broken, so for now:
10231da177e4SLinus Torvalds	  answer N.
10241da177e4SLinus Torvalds
102525fad945SRandy Dunlapconfig ROMFS_FS
102625fad945SRandy Dunlap	tristate "ROM file system support"
102725fad945SRandy Dunlap	depends on BLOCK
102825fad945SRandy Dunlap	---help---
102925fad945SRandy Dunlap	  This is a very small read-only file system mainly intended for
103025fad945SRandy Dunlap	  initial ram disks of installation disks, but it could be used for
103125fad945SRandy Dunlap	  other read-only media as well.  Read
103225fad945SRandy Dunlap	  <file:Documentation/filesystems/romfs.txt> for details.
103325fad945SRandy Dunlap
103425fad945SRandy Dunlap	  To compile this file system support as a module, choose M here: the
103525fad945SRandy Dunlap	  module will be called romfs.  Note that the file system of your
103625fad945SRandy Dunlap	  root partition (the one containing the directory /) cannot be a
103725fad945SRandy Dunlap	  module.
103825fad945SRandy Dunlap
103925fad945SRandy Dunlap	  If you don't know whether you need it, then you don't need it:
104025fad945SRandy Dunlap	  answer N.
10411da177e4SLinus Torvalds
10421da177e4SLinus Torvalds
10431da177e4SLinus Torvaldsconfig SYSV_FS
10441da177e4SLinus Torvalds	tristate "System V/Xenix/V7/Coherent file system support"
10459361401eSDavid Howells	depends on BLOCK
10461da177e4SLinus Torvalds	help
10471da177e4SLinus Torvalds	  SCO, Xenix and Coherent are commercial Unix systems for Intel
10481da177e4SLinus Torvalds	  machines, and Version 7 was used on the DEC PDP-11. Saying Y
10491da177e4SLinus Torvalds	  here would allow you to read from their floppies and hard disk
10501da177e4SLinus Torvalds	  partitions.
10511da177e4SLinus Torvalds
10521da177e4SLinus Torvalds	  If you have floppies or hard disk partitions like that, it is likely
10531da177e4SLinus Torvalds	  that they contain binaries from those other Unix systems; in order
1054cab00891SMatt LaPlante	  to run these binaries, you will want to install linux-abi which is
10551da177e4SLinus Torvalds	  a set of kernel modules that lets you run SCO, Xenix, Wyse,
10561da177e4SLinus Torvalds	  UnixWare, Dell Unix and System V programs under Linux.  It is
10571da177e4SLinus Torvalds	  available via FTP (user: ftp) from
10581da177e4SLinus Torvalds	  <ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>).
10591da177e4SLinus Torvalds	  NOTE: that will work only for binaries from Intel-based systems;
10601da177e4SLinus Torvalds	  PDP ones will have to wait until somebody ports Linux to -11 ;-)
10611da177e4SLinus Torvalds
10621da177e4SLinus Torvalds	  If you only intend to mount files from some other Unix over the
10631da177e4SLinus Torvalds	  network using NFS, you don't need the System V file system support
10641da177e4SLinus Torvalds	  (but you need NFS file system support obviously).
10651da177e4SLinus Torvalds
10661da177e4SLinus Torvalds	  Note that this option is generally not needed for floppies, since a
10671da177e4SLinus Torvalds	  good portable way to transport files and directories between unixes
10681da177e4SLinus Torvalds	  (and even other operating systems) is given by the tar program ("man
10691da177e4SLinus Torvalds	  tar" or preferably "info tar").  Note also that this option has
10701da177e4SLinus Torvalds	  nothing whatsoever to do with the option "System V IPC". Read about
10711da177e4SLinus Torvalds	  the System V file system in
10721da177e4SLinus Torvalds	  <file:Documentation/filesystems/sysv-fs.txt>.
10731da177e4SLinus Torvalds	  Saying Y here will enlarge your kernel by about 27 KB.
10741da177e4SLinus Torvalds
10751da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
10761da177e4SLinus Torvalds	  sysv.
10771da177e4SLinus Torvalds
10781da177e4SLinus Torvalds	  If you haven't heard about all of this before, it's safe to say N.
10791da177e4SLinus Torvalds
10801da177e4SLinus Torvalds
10811da177e4SLinus Torvaldsconfig UFS_FS
10821da177e4SLinus Torvalds	tristate "UFS file system support (read only)"
10839361401eSDavid Howells	depends on BLOCK
10841da177e4SLinus Torvalds	help
10851da177e4SLinus Torvalds	  BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD,
10861da177e4SLinus Torvalds	  OpenBSD and NeXTstep) use a file system called UFS. Some System V
10871da177e4SLinus Torvalds	  Unixes can create and mount hard disk partitions and diskettes using
10881da177e4SLinus Torvalds	  this file system as well. Saying Y here will allow you to read from
10891da177e4SLinus Torvalds	  these partitions; if you also want to write to them, say Y to the
10901da177e4SLinus Torvalds	  experimental "UFS file system write support", below. Please read the
10911da177e4SLinus Torvalds	  file <file:Documentation/filesystems/ufs.txt> for more information.
10921da177e4SLinus Torvalds
10931da177e4SLinus Torvalds          The recently released UFS2 variant (used in FreeBSD 5.x) is
10941da177e4SLinus Torvalds          READ-ONLY supported.
10951da177e4SLinus Torvalds
10961da177e4SLinus Torvalds	  Note that this option is generally not needed for floppies, since a
10971da177e4SLinus Torvalds	  good portable way to transport files and directories between unixes
10981da177e4SLinus Torvalds	  (and even other operating systems) is given by the tar program ("man
10991da177e4SLinus Torvalds	  tar" or preferably "info tar").
11001da177e4SLinus Torvalds
11011da177e4SLinus Torvalds	  When accessing NeXTstep files, you may need to convert them from the
11021da177e4SLinus Torvalds	  NeXT character set to the Latin1 character set; use the program
11031da177e4SLinus Torvalds	  recode ("info recode") for this purpose.
11041da177e4SLinus Torvalds
11051da177e4SLinus Torvalds	  To compile the UFS file system support as a module, choose M here: the
11061da177e4SLinus Torvalds	  module will be called ufs.
11071da177e4SLinus Torvalds
11081da177e4SLinus Torvalds	  If you haven't heard about all of this before, it's safe to say N.
11091da177e4SLinus Torvalds
11101da177e4SLinus Torvaldsconfig UFS_FS_WRITE
11111da177e4SLinus Torvalds	bool "UFS file system write support (DANGEROUS)"
11125afb3145SEvgeniy Dushistov	depends on UFS_FS && EXPERIMENTAL
11131da177e4SLinus Torvalds	help
11141da177e4SLinus Torvalds	  Say Y here if you want to try writing to UFS partitions. This is
11151da177e4SLinus Torvalds	  experimental, so you should back up your UFS partitions beforehand.
11161da177e4SLinus Torvalds
1117abf5d15fSEvgeniy Dushistovconfig UFS_DEBUG
1118abf5d15fSEvgeniy Dushistov	bool "UFS debugging"
1119abf5d15fSEvgeniy Dushistov	depends on UFS_FS
1120abf5d15fSEvgeniy Dushistov	help
1121abf5d15fSEvgeniy Dushistov	  If you are experiencing any problems with the UFS filesystem, say
1122abf5d15fSEvgeniy Dushistov	  Y here.  This will result in _many_ additional debugging messages to be
1123abf5d15fSEvgeniy Dushistov	  written to the system log.
1124abf5d15fSEvgeniy Dushistov
11251da177e4SLinus Torvaldsendmenu
11261da177e4SLinus Torvalds
1127ea0985adSJan Engelhardtmenuconfig NETWORK_FILESYSTEMS
1128ea0985adSJan Engelhardt	bool "Network File Systems"
1129ea0985adSJan Engelhardt	default y
11301da177e4SLinus Torvalds	depends on NET
1131ea0985adSJan Engelhardt	---help---
1132ea0985adSJan Engelhardt	  Say Y here to get to see options for network filesystems and
1133ea0985adSJan Engelhardt	  filesystem-related networking code, such as NFS daemon and
1134ea0985adSJan Engelhardt	  RPCSEC security modules.
11356fb1bc10SChuck Lever
1136ea0985adSJan Engelhardt	  This option alone does not add any kernel code.
1137ea0985adSJan Engelhardt
1138ea0985adSJan Engelhardt	  If you say N, all options in this submenu will be skipped and
1139ea0985adSJan Engelhardt	  disabled; if unsure, say Y here.
1140ea0985adSJan Engelhardt
1141ea0985adSJan Engelhardtif NETWORK_FILESYSTEMS
11421da177e4SLinus Torvalds
11431da177e4SLinus Torvaldsconfig NFS_FS
11446fb1bc10SChuck Lever	tristate "NFS client support"
11451da177e4SLinus Torvalds	depends on INET
11461da177e4SLinus Torvalds	select LOCKD
11471da177e4SLinus Torvalds	select SUNRPC
1148b7fa0554SAndreas Gruenbacher	select NFS_ACL_SUPPORT if NFS_V3_ACL
11491da177e4SLinus Torvalds	help
11506fb1bc10SChuck Lever	  Choose Y here if you want to access files residing on other
11516fb1bc10SChuck Lever	  computers using Sun's Network File System protocol.  To compile
11526fb1bc10SChuck Lever	  this file system support as a module, choose M here: the module
11536fb1bc10SChuck Lever	  will be called nfs.
11541da177e4SLinus Torvalds
11556fb1bc10SChuck Lever	  To mount file systems exported by NFS servers, you also need to
11566fb1bc10SChuck Lever	  install the user space mount.nfs command which can be found in
11576fb1bc10SChuck Lever	  the Linux nfs-utils package, available from http://linux-nfs.org/.
11586fb1bc10SChuck Lever	  Information about using the mount command is available in the
11596fb1bc10SChuck Lever	  mount(8) man page.  More detail about the Linux NFS client
11606fb1bc10SChuck Lever	  implementation is available via the nfs(5) man page.
11611da177e4SLinus Torvalds
11626fb1bc10SChuck Lever	  Below you can choose which versions of the NFS protocol are
11636fb1bc10SChuck Lever	  available in the kernel to mount NFS servers.  Support for NFS
11646fb1bc10SChuck Lever	  version 2 (RFC 1094) is always available when NFS_FS is selected.
11651da177e4SLinus Torvalds
11666fb1bc10SChuck Lever	  To configure a system which mounts its root file system via NFS
11676fb1bc10SChuck Lever	  at boot time, say Y here, select "Kernel level IP
11686fb1bc10SChuck Lever	  autoconfiguration" in the NETWORK menu, and select "Root file
11696fb1bc10SChuck Lever	  system on NFS" below.  You cannot compile this file system as a
11706fb1bc10SChuck Lever	  module in this case.
11711da177e4SLinus Torvalds
11726fb1bc10SChuck Lever	  If unsure, say N.
11731da177e4SLinus Torvalds
11741da177e4SLinus Torvaldsconfig NFS_V3
11756fb1bc10SChuck Lever	bool "NFS client support for NFS version 3"
11761da177e4SLinus Torvalds	depends on NFS_FS
11771da177e4SLinus Torvalds	help
11786fb1bc10SChuck Lever	  This option enables support for version 3 of the NFS protocol
11796fb1bc10SChuck Lever	  (RFC 1813) in the kernel's NFS client.
11801da177e4SLinus Torvalds
11811da177e4SLinus Torvalds	  If unsure, say Y.
11821da177e4SLinus Torvalds
1183b7fa0554SAndreas Gruenbacherconfig NFS_V3_ACL
11846fb1bc10SChuck Lever	bool "NFS client support for the NFSv3 ACL protocol extension"
1185b7fa0554SAndreas Gruenbacher	depends on NFS_V3
1186b7fa0554SAndreas Gruenbacher	help
11876fb1bc10SChuck Lever	  Some NFS servers support an auxiliary NFSv3 ACL protocol that
11886fb1bc10SChuck Lever	  Sun added to Solaris but never became an official part of the
11896fb1bc10SChuck Lever	  NFS version 3 protocol.  This protocol extension allows
11906fb1bc10SChuck Lever	  applications on NFS clients to manipulate POSIX Access Control
11916fb1bc10SChuck Lever	  Lists on files residing on NFS servers.  NFS servers enforce
11926fb1bc10SChuck Lever	  ACLs on local files whether this protocol is available or not.
11936fb1bc10SChuck Lever
11946fb1bc10SChuck Lever	  Choose Y here if your NFS server supports the Solaris NFSv3 ACL
11956fb1bc10SChuck Lever	  protocol extension and you want your NFS client to allow
11966fb1bc10SChuck Lever	  applications to access and modify ACLs on files on the server.
11976fb1bc10SChuck Lever
11986fb1bc10SChuck Lever	  Most NFS servers don't support the Solaris NFSv3 ACL protocol
11996fb1bc10SChuck Lever	  extension.  You can choose N here or specify the "noacl" mount
12006fb1bc10SChuck Lever	  option to prevent your NFS client from trying to use the NFSv3
12016fb1bc10SChuck Lever	  ACL protocol.
1202b7fa0554SAndreas Gruenbacher
1203b7fa0554SAndreas Gruenbacher	  If unsure, say N.
1204b7fa0554SAndreas Gruenbacher
12051da177e4SLinus Torvaldsconfig NFS_V4
12066fb1bc10SChuck Lever	bool "NFS client support for NFS version 4 (EXPERIMENTAL)"
12071da177e4SLinus Torvalds	depends on NFS_FS && EXPERIMENTAL
12081da177e4SLinus Torvalds	select RPCSEC_GSS_KRB5
12091da177e4SLinus Torvalds	help
12106fb1bc10SChuck Lever	  This option enables support for version 4 of the NFS protocol
12116fb1bc10SChuck Lever	  (RFC 3530) in the kernel's NFS client.
12121da177e4SLinus Torvalds
12136fb1bc10SChuck Lever	  To mount NFS servers using NFSv4, you also need to install user
12146fb1bc10SChuck Lever	  space programs which can be found in the Linux nfs-utils package,
12156fb1bc10SChuck Lever	  available from http://linux-nfs.org/.
12161da177e4SLinus Torvalds
12171da177e4SLinus Torvalds	  If unsure, say N.
12181da177e4SLinus Torvalds
12196fb1bc10SChuck Leverconfig ROOT_NFS
12206fb1bc10SChuck Lever	bool "Root file system on NFS"
12216fb1bc10SChuck Lever	depends on NFS_FS=y && IP_PNP
12226fb1bc10SChuck Lever	help
12236fb1bc10SChuck Lever	  If you want your system to mount its root file system via NFS,
12246fb1bc10SChuck Lever	  choose Y here.  This is common practice for managing systems
12256fb1bc10SChuck Lever	  without local permanent storage.  For details, read
12266fb1bc10SChuck Lever	  <file:Documentation/filesystems/nfsroot.txt>.
12276fb1bc10SChuck Lever
12286fb1bc10SChuck Lever	  Most people say N here.
12296fb1bc10SChuck Lever
12301da177e4SLinus Torvaldsconfig NFSD
12311da177e4SLinus Torvalds	tristate "NFS server support"
12321da177e4SLinus Torvalds	depends on INET
12331da177e4SLinus Torvalds	select LOCKD
12341da177e4SLinus Torvalds	select SUNRPC
12351da177e4SLinus Torvalds	select EXPORTFS
1236f05e15b5SHerbert Xu	select NFS_ACL_SUPPORT if NFSD_V2_ACL
12371da177e4SLinus Torvalds	help
1238d24455b5SChuck Lever	  Choose Y here if you want to allow other computers to access
1239d24455b5SChuck Lever	  files residing on this system using Sun's Network File System
1240d24455b5SChuck Lever	  protocol.  To compile the NFS server support as a module,
1241d24455b5SChuck Lever	  choose M here: the module will be called nfsd.
12421da177e4SLinus Torvalds
1243d24455b5SChuck Lever	  You may choose to use a user-space NFS server instead, in which
1244d24455b5SChuck Lever	  case you can choose N here.
12451da177e4SLinus Torvalds
1246d24455b5SChuck Lever	  To export local file systems using NFS, you also need to install
1247d24455b5SChuck Lever	  user space programs which can be found in the Linux nfs-utils
1248d24455b5SChuck Lever	  package, available from http://linux-nfs.org/.  More detail about
1249d24455b5SChuck Lever	  the Linux NFS server implementation is available via the
1250d24455b5SChuck Lever	  exports(5) man page.
12511da177e4SLinus Torvalds
1252d24455b5SChuck Lever	  Below you can choose which versions of the NFS protocol are
1253d24455b5SChuck Lever	  available to clients mounting the NFS server on this system.
1254d24455b5SChuck Lever	  Support for NFS version 2 (RFC 1094) is always available when
1255d24455b5SChuck Lever	  CONFIG_NFSD is selected.
12561da177e4SLinus Torvalds
1257d24455b5SChuck Lever	  If unsure, say N.
12581da177e4SLinus Torvalds
1259a257cdd0SAndreas Gruenbacherconfig NFSD_V2_ACL
1260a257cdd0SAndreas Gruenbacher	bool
1261a257cdd0SAndreas Gruenbacher	depends on NFSD
1262a257cdd0SAndreas Gruenbacher
12631da177e4SLinus Torvaldsconfig NFSD_V3
1264d24455b5SChuck Lever	bool "NFS server support for NFS version 3"
12651da177e4SLinus Torvalds	depends on NFSD
12661da177e4SLinus Torvalds	help
1267d24455b5SChuck Lever	  This option enables support in your system's NFS server for
1268d24455b5SChuck Lever	  version 3 of the NFS protocol (RFC 1813).
1269d24455b5SChuck Lever
1270d24455b5SChuck Lever	  If unsure, say Y.
12711da177e4SLinus Torvalds
1272a257cdd0SAndreas Gruenbacherconfig NFSD_V3_ACL
1273d24455b5SChuck Lever	bool "NFS server support for the NFSv3 ACL protocol extension"
1274a257cdd0SAndreas Gruenbacher	depends on NFSD_V3
127578dd0992SChuck Lever	select NFSD_V2_ACL
1276a257cdd0SAndreas Gruenbacher	help
1277d24455b5SChuck Lever	  Solaris NFS servers support an auxiliary NFSv3 ACL protocol that
1278d24455b5SChuck Lever	  never became an official part of the NFS version 3 protocol.
1279d24455b5SChuck Lever	  This protocol extension allows applications on NFS clients to
1280d24455b5SChuck Lever	  manipulate POSIX Access Control Lists on files residing on NFS
1281d24455b5SChuck Lever	  servers.  NFS servers enforce POSIX ACLs on local files whether
1282d24455b5SChuck Lever	  this protocol is available or not.
1283d24455b5SChuck Lever
1284d24455b5SChuck Lever	  This option enables support in your system's NFS server for the
1285d24455b5SChuck Lever	  NFSv3 ACL protocol extension allowing NFS clients to manipulate
1286d24455b5SChuck Lever	  POSIX ACLs on files exported by your system's NFS server.  NFS
1287d24455b5SChuck Lever	  clients which support the Solaris NFSv3 ACL protocol can then
1288d24455b5SChuck Lever	  access and modify ACLs on your NFS server.
1289d24455b5SChuck Lever
1290d24455b5SChuck Lever	  To store ACLs on your NFS server, you also need to enable ACL-
1291d24455b5SChuck Lever	  related CONFIG options for your local file systems of choice.
1292d24455b5SChuck Lever
1293d24455b5SChuck Lever	  If unsure, say N.
1294a257cdd0SAndreas Gruenbacher
12951da177e4SLinus Torvaldsconfig NFSD_V4
1296d24455b5SChuck Lever	bool "NFS server support for NFS version 4 (EXPERIMENTAL)"
12971a448fdbSChuck Lever	depends on NFSD && PROC_FS && EXPERIMENTAL
12981a448fdbSChuck Lever	select NFSD_V3
129989206955SChuck Lever	select FS_POSIX_ACL
130042ed95c4SJ. Bruce Fields	select RPCSEC_GSS_KRB5
13011da177e4SLinus Torvalds	help
1302d24455b5SChuck Lever	  This option enables support in your system's NFS server for
1303d24455b5SChuck Lever	  version 4 of the NFS protocol (RFC 3530).
1304d24455b5SChuck Lever
1305d24455b5SChuck Lever	  To export files using NFSv4, you need to install additional user
1306d24455b5SChuck Lever	  space programs which can be found in the Linux nfs-utils package,
1307d24455b5SChuck Lever	  available from http://linux-nfs.org/.
1308d24455b5SChuck Lever
13091da177e4SLinus Torvalds	  If unsure, say N.
13101da177e4SLinus Torvalds
13111da177e4SLinus Torvaldsconfig LOCKD
13121da177e4SLinus Torvalds	tristate
13131da177e4SLinus Torvalds
13141da177e4SLinus Torvaldsconfig LOCKD_V4
13151da177e4SLinus Torvalds	bool
13161da177e4SLinus Torvalds	depends on NFSD_V3 || NFS_V3
13171da177e4SLinus Torvalds	default y
13181da177e4SLinus Torvalds
13191da177e4SLinus Torvaldsconfig EXPORTFS
13201da177e4SLinus Torvalds	tristate
13211da177e4SLinus Torvalds
1322a257cdd0SAndreas Gruenbacherconfig NFS_ACL_SUPPORT
1323a257cdd0SAndreas Gruenbacher	tristate
1324a257cdd0SAndreas Gruenbacher	select FS_POSIX_ACL
1325a257cdd0SAndreas Gruenbacher
1326a257cdd0SAndreas Gruenbacherconfig NFS_COMMON
1327a257cdd0SAndreas Gruenbacher	bool
1328a257cdd0SAndreas Gruenbacher	depends on NFSD || NFS_FS
1329a257cdd0SAndreas Gruenbacher	default y
1330a257cdd0SAndreas Gruenbacher
13311da177e4SLinus Torvaldsconfig SUNRPC
13321da177e4SLinus Torvalds	tristate
13331da177e4SLinus Torvalds
13341da177e4SLinus Torvaldsconfig SUNRPC_GSS
13351da177e4SLinus Torvalds	tristate
13361da177e4SLinus Torvalds
1337c3a57ed7S\"Talpey, Thomas\config SUNRPC_XPRT_RDMA
13383211e4ebSJames Lentini	tristate
1339113632d0S\"Talpey, Thomas\	depends on SUNRPC && INFINIBAND && EXPERIMENTAL
13403211e4ebSJames Lentini	default SUNRPC && INFINIBAND
1341327a299dSChuck Lever	help
1342327a299dSChuck Lever	  This option enables an RPC client transport capability that
1343327a299dSChuck Lever	  allows the NFS client to mount servers via an RDMA-enabled
1344327a299dSChuck Lever	  transport.
1345327a299dSChuck Lever
1346327a299dSChuck Lever	  To compile RPC client RDMA transport support as a module,
1347327a299dSChuck Lever	  choose M here: the module will be called xprtrdma.
1348327a299dSChuck Lever
1349327a299dSChuck Lever	  If unsure, say N.
1350c3a57ed7S\"Talpey, Thomas\
1351a26cfad6SChuck Leverconfig SUNRPC_REGISTER_V4
1352a26cfad6SChuck Lever	bool "Register local RPC services via rpcbind v4 (EXPERIMENTAL)"
1353a26cfad6SChuck Lever	depends on SUNRPC && EXPERIMENTAL
1354a26cfad6SChuck Lever	default n
1355a26cfad6SChuck Lever	help
1356a26cfad6SChuck Lever	  Sun added support for registering RPC services at an IPv6
1357a26cfad6SChuck Lever	  address by creating two new versions of the rpcbind protocol
1358a26cfad6SChuck Lever	  (RFC 1833).
1359a26cfad6SChuck Lever
1360a26cfad6SChuck Lever	  This option enables support in the kernel RPC server for
1361a26cfad6SChuck Lever	  registering kernel RPC services via version 4 of the rpcbind
1362a26cfad6SChuck Lever	  protocol.  If you enable this option, you must run a portmapper
1363a26cfad6SChuck Lever	  daemon that supports rpcbind protocol version 4.
1364a26cfad6SChuck Lever
1365a26cfad6SChuck Lever	  Serving NFS over IPv6 from knfsd (the kernel's NFS server)
1366a26cfad6SChuck Lever	  requires that you enable this option and use a portmapper that
1367a26cfad6SChuck Lever	  supports rpcbind version 4.
1368a26cfad6SChuck Lever
1369a26cfad6SChuck Lever	  If unsure, say N to get traditional behavior (register kernel
1370a26cfad6SChuck Lever	  RPC services using only rpcbind version 2).  Distributions
1371a26cfad6SChuck Lever	  using the legacy Linux portmapper daemon must say N here.
1372a26cfad6SChuck Lever
13731da177e4SLinus Torvaldsconfig RPCSEC_GSS_KRB5
13741da177e4SLinus Torvalds	tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)"
13751da177e4SLinus Torvalds	depends on SUNRPC && EXPERIMENTAL
13761da177e4SLinus Torvalds	select SUNRPC_GSS
13771da177e4SLinus Torvalds	select CRYPTO
13781da177e4SLinus Torvalds	select CRYPTO_MD5
13791da177e4SLinus Torvalds	select CRYPTO_DES
1380bcbaecbbSPatrick McHardy	select CRYPTO_CBC
13811da177e4SLinus Torvalds	help
1382327a299dSChuck Lever	  Choose Y here to enable Secure RPC using the Kerberos version 5
1383327a299dSChuck Lever	  GSS-API mechanism (RFC 1964).
13841da177e4SLinus Torvalds
1385327a299dSChuck Lever	  Secure RPC calls with Kerberos require an auxiliary user-space
1386327a299dSChuck Lever	  daemon which may be found in the Linux nfs-utils package
1387327a299dSChuck Lever	  available from http://linux-nfs.org/.  In addition, user-space
1388327a299dSChuck Lever	  Kerberos support should be installed.
13891da177e4SLinus Torvalds
13901da177e4SLinus Torvalds	  If unsure, say N.
13911da177e4SLinus Torvalds
13921da177e4SLinus Torvaldsconfig RPCSEC_GSS_SPKM3
13931da177e4SLinus Torvalds	tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)"
13941da177e4SLinus Torvalds	depends on SUNRPC && EXPERIMENTAL
13951da177e4SLinus Torvalds	select SUNRPC_GSS
13961da177e4SLinus Torvalds	select CRYPTO
13971da177e4SLinus Torvalds	select CRYPTO_MD5
13981da177e4SLinus Torvalds	select CRYPTO_DES
1399df6db302SJ. Bruce Fields	select CRYPTO_CAST5
1400bcbaecbbSPatrick McHardy	select CRYPTO_CBC
14011da177e4SLinus Torvalds	help
1402327a299dSChuck Lever	  Choose Y here to enable Secure RPC using the SPKM3 public key
1403327a299dSChuck Lever	  GSS-API mechansim (RFC 2025).
14041da177e4SLinus Torvalds
1405327a299dSChuck Lever	  Secure RPC calls with SPKM3 require an auxiliary userspace
1406327a299dSChuck Lever	  daemon which may be found in the Linux nfs-utils package
1407327a299dSChuck Lever	  available from http://linux-nfs.org/.
14081da177e4SLinus Torvalds
14091da177e4SLinus Torvalds	  If unsure, say N.
14101da177e4SLinus Torvalds
14111da177e4SLinus Torvaldsconfig SMB_FS
1412c7736339SAndrew Morton	tristate "SMB file system support (OBSOLETE, please use CIFS)"
14131da177e4SLinus Torvalds	depends on INET
14141da177e4SLinus Torvalds	select NLS
14151da177e4SLinus Torvalds	help
14161da177e4SLinus Torvalds	  SMB (Server Message Block) is the protocol Windows for Workgroups
14171da177e4SLinus Torvalds	  (WfW), Windows 95/98, Windows NT and OS/2 Lan Manager use to share
14181da177e4SLinus Torvalds	  files and printers over local networks.  Saying Y here allows you to
14191da177e4SLinus Torvalds	  mount their file systems (often called "shares" in this context) and
14201da177e4SLinus Torvalds	  access them just like any other Unix directory.  Currently, this
14211da177e4SLinus Torvalds	  works only if the Windows machines use TCP/IP as the underlying
14221da177e4SLinus Torvalds	  transport protocol, and not NetBEUI.  For details, read
14231da177e4SLinus Torvalds	  <file:Documentation/filesystems/smbfs.txt> and the SMB-HOWTO,
14241da177e4SLinus Torvalds	  available from <http://www.tldp.org/docs.html#howto>.
14251da177e4SLinus Torvalds
14261da177e4SLinus Torvalds	  Note: if you just want your box to act as an SMB *server* and make
14271da177e4SLinus Torvalds	  files and printing services available to Windows clients (which need
14281da177e4SLinus Torvalds	  to have a TCP/IP stack), you don't need to say Y here; you can use
14291da177e4SLinus Torvalds	  the program SAMBA (available from <ftp://ftp.samba.org/pub/samba/>)
14301da177e4SLinus Torvalds	  for that.
14311da177e4SLinus Torvalds
14321da177e4SLinus Torvalds	  General information about how to connect Linux, Windows machines and
14331da177e4SLinus Torvalds	  Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>.
14341da177e4SLinus Torvalds
1435c7736339SAndrew Morton	  To compile the SMB support as a module, choose M here:
1436c7736339SAndrew Morton	  the module will be called smbfs.  Most people say N, however.
14371da177e4SLinus Torvalds
14381da177e4SLinus Torvaldsconfig SMB_NLS_DEFAULT
14391da177e4SLinus Torvalds	bool "Use a default NLS"
14401da177e4SLinus Torvalds	depends on SMB_FS
14411da177e4SLinus Torvalds	help
14421da177e4SLinus Torvalds	  Enabling this will make smbfs use nls translations by default. You
14431da177e4SLinus Torvalds	  need to specify the local charset (CONFIG_NLS_DEFAULT) in the nls
14441da177e4SLinus Torvalds	  settings and you need to give the default nls for the SMB server as
14451da177e4SLinus Torvalds	  CONFIG_SMB_NLS_REMOTE.
14461da177e4SLinus Torvalds
14471da177e4SLinus Torvalds	  The nls settings can be changed at mount time, if your smbmount
14481da177e4SLinus Torvalds	  supports that, using the codepage and iocharset parameters.
14491da177e4SLinus Torvalds
14501da177e4SLinus Torvalds	  smbmount from samba 2.2.0 or later supports this.
14511da177e4SLinus Torvalds
14521da177e4SLinus Torvaldsconfig SMB_NLS_REMOTE
14531da177e4SLinus Torvalds	string "Default Remote NLS Option"
14541da177e4SLinus Torvalds	depends on SMB_NLS_DEFAULT
14551da177e4SLinus Torvalds	default "cp437"
14561da177e4SLinus Torvalds	help
14571da177e4SLinus Torvalds	  This setting allows you to specify a default value for which
14581da177e4SLinus Torvalds	  codepage the server uses. If this field is left blank no
14591da177e4SLinus Torvalds	  translations will be done by default. The local codepage/charset
14601da177e4SLinus Torvalds	  default to CONFIG_NLS_DEFAULT.
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
1467bb26b963SAlexey Dobriyansource "fs/cifs/Kconfig"
14686103335dSSteve French
14691da177e4SLinus Torvaldsconfig NCP_FS
14701da177e4SLinus Torvalds	tristate "NCP file system support (to mount NetWare volumes)"
14711da177e4SLinus Torvalds	depends on IPX!=n || INET
14721da177e4SLinus Torvalds	help
14731da177e4SLinus Torvalds	  NCP (NetWare Core Protocol) is a protocol that runs over IPX and is
14741da177e4SLinus Torvalds	  used by Novell NetWare clients to talk to file servers.  It is to
14751da177e4SLinus Torvalds	  IPX what NFS is to TCP/IP, if that helps.  Saying Y here allows you
14761da177e4SLinus Torvalds	  to mount NetWare file server volumes and to access them just like
14771da177e4SLinus Torvalds	  any other Unix directory.  For details, please read the file
14781da177e4SLinus Torvalds	  <file:Documentation/filesystems/ncpfs.txt> in the kernel source and
14791da177e4SLinus Torvalds	  the IPX-HOWTO from <http://www.tldp.org/docs.html#howto>.
14801da177e4SLinus Torvalds
14811da177e4SLinus Torvalds	  You do not have to say Y here if you want your Linux box to act as a
14821da177e4SLinus Torvalds	  file *server* for Novell NetWare clients.
14831da177e4SLinus Torvalds
14841da177e4SLinus Torvalds	  General information about how to connect Linux, Windows machines and
14851da177e4SLinus Torvalds	  Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>.
14861da177e4SLinus Torvalds
14871da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
14881da177e4SLinus Torvalds	  ncpfs.  Say N unless you are connected to a Novell network.
14891da177e4SLinus Torvalds
14901da177e4SLinus Torvaldssource "fs/ncpfs/Kconfig"
14911da177e4SLinus Torvalds
14921da177e4SLinus Torvaldsconfig CODA_FS
14931da177e4SLinus Torvalds	tristate "Coda file system support (advanced network fs)"
14941da177e4SLinus Torvalds	depends on INET
14951da177e4SLinus Torvalds	help
14961da177e4SLinus Torvalds	  Coda is an advanced network file system, similar to NFS in that it
14971da177e4SLinus Torvalds	  enables you to mount file systems of a remote server and access them
14981da177e4SLinus Torvalds	  with regular Unix commands as if they were sitting on your hard
14991da177e4SLinus Torvalds	  disk.  Coda has several advantages over NFS: support for
15001da177e4SLinus Torvalds	  disconnected operation (e.g. for laptops), read/write server
15011da177e4SLinus Torvalds	  replication, security model for authentication and encryption,
15021da177e4SLinus Torvalds	  persistent client caches and write back caching.
15031da177e4SLinus Torvalds
15041da177e4SLinus Torvalds	  If you say Y here, your Linux box will be able to act as a Coda
15051da177e4SLinus Torvalds	  *client*.  You will need user level code as well, both for the
15061da177e4SLinus Torvalds	  client and server.  Servers are currently user level, i.e. they need
15071da177e4SLinus Torvalds	  no kernel support.  Please read
15081da177e4SLinus Torvalds	  <file:Documentation/filesystems/coda.txt> and check out the Coda
15091da177e4SLinus Torvalds	  home page <http://www.coda.cs.cmu.edu/>.
15101da177e4SLinus Torvalds
15111da177e4SLinus Torvalds	  To compile the coda client support as a module, choose M here: the
15121da177e4SLinus Torvalds	  module will be called coda.
15131da177e4SLinus Torvalds
15141da177e4SLinus Torvaldsconfig AFS_FS
151564aaa4f8SDavid Howells	tristate "Andrew File System support (AFS) (EXPERIMENTAL)"
15161da177e4SLinus Torvalds	depends on INET && EXPERIMENTAL
151708e0e7c8SDavid Howells	select AF_RXRPC
15181da177e4SLinus Torvalds	help
15191da177e4SLinus Torvalds	  If you say Y here, you will get an experimental Andrew File System
15201da177e4SLinus Torvalds	  driver. It currently only supports unsecured read-only AFS access.
15211da177e4SLinus Torvalds
1522cc2e2767SMatt LaPlante	  See <file:Documentation/filesystems/afs.txt> for more information.
15231da177e4SLinus Torvalds
15241da177e4SLinus Torvalds	  If unsure, say N.
15251da177e4SLinus Torvalds
152608e0e7c8SDavid Howellsconfig AFS_DEBUG
152708e0e7c8SDavid Howells	bool "AFS dynamic debugging"
152808e0e7c8SDavid Howells	depends on AFS_FS
152908e0e7c8SDavid Howells	help
153008e0e7c8SDavid Howells	  Say Y here to make runtime controllable debugging messages appear.
153108e0e7c8SDavid Howells
153208e0e7c8SDavid Howells	  See <file:Documentation/filesystems/afs.txt> for more information.
153308e0e7c8SDavid Howells
153408e0e7c8SDavid Howells	  If unsure, say N.
153508e0e7c8SDavid Howells
153693fa58cbSEric Van Hensbergenconfig 9P_FS
153793fa58cbSEric Van Hensbergen	tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)"
1538bd238fb4SLatchesar Ionkov	depends on INET && NET_9P && EXPERIMENTAL
153993fa58cbSEric Van Hensbergen	help
154093fa58cbSEric Van Hensbergen	  If you say Y here, you will get experimental support for
154193fa58cbSEric Van Hensbergen	  Plan 9 resource sharing via the 9P2000 protocol.
154293fa58cbSEric Van Hensbergen
154393fa58cbSEric Van Hensbergen	  See <http://v9fs.sf.net> for more information.
154493fa58cbSEric Van Hensbergen
154593fa58cbSEric Van Hensbergen	  If unsure, say N.
154693fa58cbSEric Van Hensbergen
1547ea0985adSJan Engelhardtendif # NETWORK_FILESYSTEMS
15481da177e4SLinus Torvalds
15499361401eSDavid Howellsif BLOCK
15501da177e4SLinus Torvaldsmenu "Partition Types"
15511da177e4SLinus Torvalds
15521da177e4SLinus Torvaldssource "fs/partitions/Kconfig"
15531da177e4SLinus Torvalds
15541da177e4SLinus Torvaldsendmenu
15559361401eSDavid Howellsendif
15561da177e4SLinus Torvalds
15571da177e4SLinus Torvaldssource "fs/nls/Kconfig"
1558e7fd4179SDavid Teiglandsource "fs/dlm/Kconfig"
15591da177e4SLinus Torvalds
15601da177e4SLinus Torvaldsendmenu
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