xref: /linux/fs/Kconfig (revision 6ab5c1ca71ea8e04e97cd8ed473bd04e636850fd)
11da177e4SLinus Torvalds#
21da177e4SLinus Torvalds# File system configuration
31da177e4SLinus Torvalds#
41da177e4SLinus Torvalds
51da177e4SLinus Torvaldsmenu "File systems"
61da177e4SLinus Torvalds
79361401eSDavid Howellsif BLOCK
89361401eSDavid Howells
96da0b38fSAlexey Dobriyansource "fs/ext2/Kconfig"
106da0b38fSAlexey Dobriyansource "fs/ext3/Kconfig"
116da0b38fSAlexey Dobriyansource "fs/ext4/Kconfig"
126d79125bSCarsten Otte
136d79125bSCarsten Otteconfig FS_XIP
146d79125bSCarsten Otte# execute in place
156d79125bSCarsten Otte	bool
166d79125bSCarsten Otte	depends on EXT2_FS_XIP
176d79125bSCarsten Otte	default y
186d79125bSCarsten Otte
196da0b38fSAlexey Dobriyansource "fs/jbd/Kconfig"
206da0b38fSAlexey Dobriyansource "fs/jbd2/Kconfig"
21dab291afSMingming Cao
221da177e4SLinus Torvaldsconfig FS_MBCACHE
2302ea2104SMingming Cao# Meta block cache for Extended Attributes (ext2/ext3/ext4)
241da177e4SLinus Torvalds	tristate
252c512397SAdrian Bunk	default y if EXT2_FS=y && EXT2_FS_XATTR
262c512397SAdrian Bunk	default y if EXT3_FS=y && EXT3_FS_XATTR
272c512397SAdrian Bunk	default y if EXT4_FS=y && EXT4_FS_XATTR
282c512397SAdrian Bunk	default m if EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR
291da177e4SLinus Torvalds
301da177e4SLinus Torvaldsconfig REISERFS_FS
311da177e4SLinus Torvalds	tristate "Reiserfs support"
321da177e4SLinus Torvalds	help
331da177e4SLinus Torvalds	  Stores not just filenames but the files themselves in a balanced
34cc2e2767SMatt LaPlante	  tree.  Uses journalling.
351da177e4SLinus Torvalds
361da177e4SLinus Torvalds	  Balanced trees are more efficient than traditional file system
371da177e4SLinus Torvalds	  architectural foundations.
381da177e4SLinus Torvalds
391da177e4SLinus Torvalds	  In general, ReiserFS is as fast as ext2, but is very efficient with
401da177e4SLinus Torvalds	  large directories and small files.  Additional patches are needed
411da177e4SLinus Torvalds	  for NFS and quotas, please see <http://www.namesys.com/> for links.
421da177e4SLinus Torvalds
431da177e4SLinus Torvalds	  It is more easily extended to have features currently found in
441da177e4SLinus Torvalds	  database and keyword search systems than block allocation based file
451da177e4SLinus Torvalds	  systems are.  The next version will be so extended, and will support
461da177e4SLinus Torvalds	  plugins consistent with our motto ``It takes more than a license to
471da177e4SLinus Torvalds	  make source code open.''
481da177e4SLinus Torvalds
491da177e4SLinus Torvalds	  Read <http://www.namesys.com/> to learn more about reiserfs.
501da177e4SLinus Torvalds
511da177e4SLinus Torvalds	  Sponsored by Threshold Networks, Emusic.com, and Bigstorage.com.
521da177e4SLinus Torvalds
531da177e4SLinus Torvalds	  If you like it, you can pay us to add new features to it that you
541da177e4SLinus Torvalds	  need, buy a support contract, or pay us to port it to another OS.
551da177e4SLinus Torvalds
561da177e4SLinus Torvaldsconfig REISERFS_CHECK
571da177e4SLinus Torvalds	bool "Enable reiserfs debug mode"
581da177e4SLinus Torvalds	depends on REISERFS_FS
591da177e4SLinus Torvalds	help
601da177e4SLinus Torvalds	  If you set this to Y, then ReiserFS will perform every check it can
611da177e4SLinus Torvalds	  possibly imagine of its internal consistency throughout its
621da177e4SLinus Torvalds	  operation.  It will also go substantially slower.  More than once we
631da177e4SLinus Torvalds	  have forgotten that this was on, and then gone despondent over the
641da177e4SLinus Torvalds	  latest benchmarks.:-) Use of this option allows our team to go all
651da177e4SLinus Torvalds	  out in checking for consistency when debugging without fear of its
661da177e4SLinus Torvalds	  effect on end users.  If you are on the verge of sending in a bug
671da177e4SLinus Torvalds	  report, say Y and you might get a useful error message.  Almost
681da177e4SLinus Torvalds	  everyone should say N.
691da177e4SLinus Torvalds
701da177e4SLinus Torvaldsconfig REISERFS_PROC_INFO
711da177e4SLinus Torvalds	bool "Stats in /proc/fs/reiserfs"
72880ebdc5SRandy Dunlap	depends on REISERFS_FS && PROC_FS
731da177e4SLinus Torvalds	help
741da177e4SLinus Torvalds	  Create under /proc/fs/reiserfs a hierarchy of files, displaying
751da177e4SLinus Torvalds	  various ReiserFS statistics and internal data at the expense of
761da177e4SLinus Torvalds	  making your kernel or module slightly larger (+8 KB). This also
771da177e4SLinus Torvalds	  increases the amount of kernel memory required for each mount.
781da177e4SLinus Torvalds	  Almost everyone but ReiserFS developers and people fine-tuning
791da177e4SLinus Torvalds	  reiserfs or tracing problems should say N.
801da177e4SLinus Torvalds
811da177e4SLinus Torvaldsconfig REISERFS_FS_XATTR
821da177e4SLinus Torvalds	bool "ReiserFS extended attributes"
831da177e4SLinus Torvalds	depends on REISERFS_FS
841da177e4SLinus Torvalds	help
851da177e4SLinus Torvalds	  Extended attributes are name:value pairs associated with inodes by
861da177e4SLinus Torvalds	  the kernel or by users (see the attr(5) manual page, or visit
871da177e4SLinus Torvalds	  <http://acl.bestbits.at/> for details).
881da177e4SLinus Torvalds
891da177e4SLinus Torvalds	  If unsure, say N.
901da177e4SLinus Torvalds
911da177e4SLinus Torvaldsconfig REISERFS_FS_POSIX_ACL
921da177e4SLinus Torvalds	bool "ReiserFS POSIX Access Control Lists"
931da177e4SLinus Torvalds	depends on REISERFS_FS_XATTR
94b84c2157SAndreas Gruenbacher	select FS_POSIX_ACL
951da177e4SLinus Torvalds	help
961da177e4SLinus Torvalds	  Posix Access Control Lists (ACLs) support permissions for users and
971da177e4SLinus Torvalds	  groups beyond the owner/group/world scheme.
981da177e4SLinus Torvalds
991da177e4SLinus Torvalds	  To learn more about Access Control Lists, visit the Posix ACLs for
1001da177e4SLinus Torvalds	  Linux website <http://acl.bestbits.at/>.
1011da177e4SLinus Torvalds
1021da177e4SLinus Torvalds	  If you don't know what Access Control Lists are, say N
1031da177e4SLinus Torvalds
1041da177e4SLinus Torvaldsconfig REISERFS_FS_SECURITY
1051da177e4SLinus Torvalds	bool "ReiserFS Security Labels"
1061da177e4SLinus Torvalds	depends on REISERFS_FS_XATTR
1071da177e4SLinus Torvalds	help
1081da177e4SLinus Torvalds	  Security labels support alternative access control models
1091da177e4SLinus Torvalds	  implemented by security modules like SELinux.  This option
1101da177e4SLinus Torvalds	  enables an extended attribute handler for file security
1111da177e4SLinus Torvalds	  labels in the ReiserFS filesystem.
1121da177e4SLinus Torvalds
1131da177e4SLinus Torvalds	  If you are not using a security module that requires using
1141da177e4SLinus Torvalds	  extended attributes for file security labels, say N.
1151da177e4SLinus Torvalds
1161da177e4SLinus Torvaldsconfig JFS_FS
1171da177e4SLinus Torvalds	tristate "JFS filesystem support"
1181da177e4SLinus Torvalds	select NLS
1191da177e4SLinus Torvalds	help
1201da177e4SLinus Torvalds	  This is a port of IBM's Journaled Filesystem .  More information is
1211da177e4SLinus Torvalds	  available in the file <file:Documentation/filesystems/jfs.txt>.
1221da177e4SLinus Torvalds
1231da177e4SLinus Torvalds	  If you do not intend to use the JFS filesystem, say N.
1241da177e4SLinus Torvalds
1251da177e4SLinus Torvaldsconfig JFS_POSIX_ACL
1261da177e4SLinus Torvalds	bool "JFS POSIX Access Control Lists"
1271da177e4SLinus Torvalds	depends on JFS_FS
128b84c2157SAndreas Gruenbacher	select FS_POSIX_ACL
1291da177e4SLinus Torvalds	help
1301da177e4SLinus Torvalds	  Posix Access Control Lists (ACLs) support permissions for users and
1311da177e4SLinus Torvalds	  groups beyond the owner/group/world scheme.
1321da177e4SLinus Torvalds
1331da177e4SLinus Torvalds	  To learn more about Access Control Lists, visit the Posix ACLs for
1341da177e4SLinus Torvalds	  Linux website <http://acl.bestbits.at/>.
1351da177e4SLinus Torvalds
1361da177e4SLinus Torvalds	  If you don't know what Access Control Lists are, say N
1371da177e4SLinus Torvalds
1381da177e4SLinus Torvaldsconfig JFS_SECURITY
1391da177e4SLinus Torvalds	bool "JFS Security Labels"
1401da177e4SLinus Torvalds	depends on JFS_FS
1411da177e4SLinus Torvalds	help
1421da177e4SLinus Torvalds	  Security labels support alternative access control models
1431da177e4SLinus Torvalds	  implemented by security modules like SELinux.  This option
1441da177e4SLinus Torvalds	  enables an extended attribute handler for file security
1451da177e4SLinus Torvalds	  labels in the jfs filesystem.
1461da177e4SLinus Torvalds
1471da177e4SLinus Torvalds	  If you are not using a security module that requires using
1481da177e4SLinus Torvalds	  extended attributes for file security labels, say N.
1491da177e4SLinus Torvalds
1501da177e4SLinus Torvaldsconfig JFS_DEBUG
1511da177e4SLinus Torvalds	bool "JFS debugging"
1521da177e4SLinus Torvalds	depends on JFS_FS
1531da177e4SLinus Torvalds	help
1541da177e4SLinus Torvalds	  If you are experiencing any problems with the JFS filesystem, say
1551da177e4SLinus Torvalds	  Y here.  This will result in additional debugging messages to be
1561da177e4SLinus Torvalds	  written to the system log.  Under normal circumstances, this
1571da177e4SLinus Torvalds	  results in very little overhead.
1581da177e4SLinus Torvalds
1591da177e4SLinus Torvaldsconfig JFS_STATISTICS
1601da177e4SLinus Torvalds	bool "JFS statistics"
1611da177e4SLinus Torvalds	depends on JFS_FS
1621da177e4SLinus Torvalds	help
1631da177e4SLinus Torvalds	  Enabling this option will cause statistics from the JFS file system
1641da177e4SLinus Torvalds	  to be made available to the user in the /proc/fs/jfs/ directory.
1651da177e4SLinus Torvalds
1661da177e4SLinus Torvaldsconfig FS_POSIX_ACL
16789206955SChuck Lever# Posix ACL utility routines (for now, only ext2/ext3/jfs/reiserfs/nfs4)
1681da177e4SLinus Torvalds#
1691da177e4SLinus Torvalds# NOTE: you can implement Posix ACLs without these helpers (XFS does).
1701da177e4SLinus Torvalds# 	Never use this symbol for ifdefs.
1711da177e4SLinus Torvalds#
1721da177e4SLinus Torvalds	bool
173b84c2157SAndreas Gruenbacher	default n
1741da177e4SLinus Torvalds
175bfcd17a6SThomas Petazzoniconfig FILE_LOCKING
176bfcd17a6SThomas Petazzoni	bool "Enable POSIX file locking API" if EMBEDDED
177bfcd17a6SThomas Petazzoni	default y
178bfcd17a6SThomas Petazzoni	help
179bfcd17a6SThomas Petazzoni	  This option enables standard file locking support, required
180bfcd17a6SThomas Petazzoni          for filesystems like NFS and for the flock() system
181bfcd17a6SThomas Petazzoni          call. Disabling this option saves about 11k.
182bfcd17a6SThomas Petazzoni
1831da177e4SLinus Torvaldssource "fs/xfs/Kconfig"
184f7825dcfSDavid Teiglandsource "fs/gfs2/Kconfig"
1851da177e4SLinus Torvalds
186b4e40a51SMark Fashehconfig OCFS2_FS
18702ed8416SMark Fasheh	tristate "OCFS2 file system support"
18802ed8416SMark Fasheh	depends on NET && SYSFS
189b4e40a51SMark Fasheh	select CONFIGFS_FS
1902b4e30fbSJoel Becker	select JBD2
191b4e40a51SMark Fasheh	select CRC32
192b4e40a51SMark Fasheh	help
193b4e40a51SMark Fasheh	  OCFS2 is a general purpose extent based shared disk cluster file
194b4e40a51SMark Fasheh	  system with many similarities to ext3. It supports 64 bit inode
195b4e40a51SMark Fasheh	  numbers, and has automatically extending metadata groups which may
196b4e40a51SMark Fasheh	  also make it attractive for non-clustered use.
197b4e40a51SMark Fasheh
198b4e40a51SMark Fasheh	  You'll want to install the ocfs2-tools package in order to at least
199b4e40a51SMark Fasheh	  get "mount.ocfs2".
200b4e40a51SMark Fasheh
201b4e40a51SMark Fasheh	  Project web page:    http://oss.oracle.com/projects/ocfs2
202b4e40a51SMark Fasheh	  Tools web page:      http://oss.oracle.com/projects/ocfs2-tools
203b4e40a51SMark Fasheh	  OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/
204b4e40a51SMark Fasheh
2051252c434SMark Fasheh	  For more information on OCFS2, see the file
2061252c434SMark Fasheh	  <file:Documentation/filesystems/ocfs2.txt>.
207b4e40a51SMark Fasheh
2089341d229SJoel Beckerconfig OCFS2_FS_O2CB
2099341d229SJoel Becker	tristate "O2CB Kernelspace Clustering"
2109341d229SJoel Becker	depends on OCFS2_FS
2119341d229SJoel Becker	default y
2129341d229SJoel Becker	help
2139341d229SJoel Becker	  OCFS2 includes a simple kernelspace clustering package, the OCFS2
2149341d229SJoel Becker	  Cluster Base.  It only requires a very small userspace component
2159341d229SJoel Becker	  to configure it. This comes with the standard ocfs2-tools package.
2169341d229SJoel Becker	  O2CB is limited to maintaining a cluster for OCFS2 file systems.
2179341d229SJoel Becker	  It cannot manage any other cluster applications.
2189341d229SJoel Becker
2199341d229SJoel Becker	  It is always safe to say Y here, as the clustering method is
2209341d229SJoel Becker	  run-time selectable.
2219341d229SJoel Becker
2229341d229SJoel Beckerconfig OCFS2_FS_USERSPACE_CLUSTER
2239341d229SJoel Becker	tristate "OCFS2 Userspace Clustering"
2249341d229SJoel Becker	depends on OCFS2_FS && DLM
2259341d229SJoel Becker	default y
2269341d229SJoel Becker	help
2279341d229SJoel Becker	  This option will allow OCFS2 to use userspace clustering services
2289341d229SJoel Becker	  in conjunction with the DLM in fs/dlm.  If you are using a
2299341d229SJoel Becker	  userspace cluster manager, say Y here.
2309341d229SJoel Becker
2319341d229SJoel Becker	  It is safe to say Y, as the clustering method is run-time
2329341d229SJoel Becker	  selectable.
2339341d229SJoel Becker
234ce7231e9SSunil Mushranconfig OCFS2_FS_STATS
235ce7231e9SSunil Mushran	bool "OCFS2 statistics"
236ce7231e9SSunil Mushran	depends on OCFS2_FS
237ce7231e9SSunil Mushran	default y
238ce7231e9SSunil Mushran	help
239ce7231e9SSunil Mushran	  This option allows some fs statistics to be captured. Enabling
240ce7231e9SSunil Mushran	  this option may increase the memory consumption.
241ce7231e9SSunil Mushran
2422b388c67SJoel Beckerconfig OCFS2_DEBUG_MASKLOG
2432b388c67SJoel Becker	bool "OCFS2 logging support"
2442b388c67SJoel Becker	depends on OCFS2_FS
2452b388c67SJoel Becker	default y
2462b388c67SJoel Becker	help
2472b388c67SJoel Becker	  The ocfs2 filesystem has an extensive logging system.  The system
2482b388c67SJoel Becker	  allows selection of events to log via files in /sys/o2cb/logmask/.
2492b388c67SJoel Becker	  This option will enlarge your kernel, but it allows debugging of
2502b388c67SJoel Becker	  ocfs2 filesystem issues.
2512b388c67SJoel Becker
2525a58c3efSJan Karaconfig OCFS2_DEBUG_FS
2535a58c3efSJan Kara	bool "OCFS2 expensive checks"
2545a58c3efSJan Kara	depends on OCFS2_FS
2555a58c3efSJan Kara	default n
2565a58c3efSJan Kara	help
2575a58c3efSJan Kara	  This option will enable expensive consistency checks. Enable
2585a58c3efSJan Kara	  this option for debugging only as it is likely to decrease
2595a58c3efSJan Kara	  performance of the filesystem.
2605a58c3efSJan Kara
2612b4e30fbSJoel Beckerconfig OCFS2_COMPAT_JBD
2622b4e30fbSJoel Becker	bool "Use JBD for compatibility"
2632b4e30fbSJoel Becker	depends on OCFS2_FS
2642b4e30fbSJoel Becker	default n
2652b4e30fbSJoel Becker	select JBD
2662b4e30fbSJoel Becker	help
2672b4e30fbSJoel Becker	  The ocfs2 filesystem now uses JBD2 for its journalling.  JBD2
2682b4e30fbSJoel Becker	  is backwards compatible with JBD.  It is safe to say N here.
2692b4e30fbSJoel Becker	  However, if you really want to use the original JBD, say Y here.
2702b4e30fbSJoel Becker
27125fad945SRandy Dunlapendif # BLOCK
27225fad945SRandy Dunlap
273272eb014SEric Parissource "fs/notify/Kconfig"
2742d9048e2SAmy Griffis
2751da177e4SLinus Torvaldsconfig QUOTA
2761da177e4SLinus Torvalds	bool "Quota support"
2771da177e4SLinus Torvalds	help
2781da177e4SLinus Torvalds	  If you say Y here, you will be able to set per user limits for disk
2791da177e4SLinus Torvalds	  usage (also called disk quotas). Currently, it works for the
2801da177e4SLinus Torvalds	  ext2, ext3, and reiserfs file system. ext3 also supports journalled
2811da177e4SLinus Torvalds	  quotas for which you don't need to run quotacheck(8) after an unclean
282919532a5SAdrian Bunk	  shutdown.
283919532a5SAdrian Bunk	  For further details, read the Quota mini-HOWTO, available from
2841da177e4SLinus Torvalds	  <http://www.tldp.org/docs.html#howto>, or the documentation provided
2851da177e4SLinus Torvalds	  with the quota tools. Probably the quota support is only useful for
2861da177e4SLinus Torvalds	  multi user systems. If unsure, say N.
2871da177e4SLinus Torvalds
2888e893469SJan Karaconfig QUOTA_NETLINK_INTERFACE
2898e893469SJan Kara	bool "Report quota messages through netlink interface"
2908e893469SJan Kara	depends on QUOTA && NET
2918e893469SJan Kara	help
2928e893469SJan Kara	  If you say Y here, quota warnings (about exceeding softlimit, reaching
2938e893469SJan Kara	  hardlimit, etc.) will be reported through netlink interface. If unsure,
2948e893469SJan Kara	  say Y.
2958e893469SJan Kara
2968e893469SJan Karaconfig PRINT_QUOTA_WARNING
2978e893469SJan Kara	bool "Print quota warnings to console (OBSOLETE)"
2988e893469SJan Kara	depends on QUOTA
2998e893469SJan Kara	default y
3008e893469SJan Kara	help
3018e893469SJan Kara	  If you say Y here, quota warnings (about exceeding softlimit, reaching
3028e893469SJan Kara	  hardlimit, etc.) will be printed to the process' controlling terminal.
3038e893469SJan Kara	  Note that this behavior is currently deprecated and may go away in
3048e893469SJan Kara	  future. Please use notification via netlink socket instead.
3058e893469SJan Kara
3061da177e4SLinus Torvaldsconfig QFMT_V1
3071da177e4SLinus Torvalds	tristate "Old quota format support"
3081da177e4SLinus Torvalds	depends on QUOTA
3091da177e4SLinus Torvalds	help
3101da177e4SLinus Torvalds	  This quota format was (is) used by kernels earlier than 2.4.22. If
3111da177e4SLinus Torvalds	  you have quota working and you don't want to convert to new quota
3121da177e4SLinus Torvalds	  format say Y here.
3131da177e4SLinus Torvalds
3141da177e4SLinus Torvaldsconfig QFMT_V2
3151da177e4SLinus Torvalds	tristate "Quota format v2 support"
3161da177e4SLinus Torvalds	depends on QUOTA
3171da177e4SLinus Torvalds	help
3181da177e4SLinus Torvalds	  This quota format allows using quotas with 32-bit UIDs/GIDs. If you
319919532a5SAdrian Bunk	  need this functionality say Y here.
3201da177e4SLinus Torvalds
3211da177e4SLinus Torvaldsconfig QUOTACTL
3221da177e4SLinus Torvalds	bool
3231da177e4SLinus Torvalds	depends on XFS_QUOTA || QUOTA
3241da177e4SLinus Torvalds	default y
3251da177e4SLinus Torvalds
3261da177e4SLinus Torvaldsconfig AUTOFS_FS
3271da177e4SLinus Torvalds	tristate "Kernel automounter support"
3281da177e4SLinus Torvalds	help
3291da177e4SLinus Torvalds	  The automounter is a tool to automatically mount remote file systems
3301da177e4SLinus Torvalds	  on demand. This implementation is partially kernel-based to reduce
3311da177e4SLinus Torvalds	  overhead in the already-mounted case; this is unlike the BSD
3321da177e4SLinus Torvalds	  automounter (amd), which is a pure user space daemon.
3331da177e4SLinus Torvalds
3341da177e4SLinus Torvalds	  To use the automounter you need the user-space tools from the autofs
3351da177e4SLinus Torvalds	  package; you can find the location in <file:Documentation/Changes>.
3361da177e4SLinus Torvalds	  You also want to answer Y to "NFS file system support", below.
3371da177e4SLinus Torvalds
3381da177e4SLinus Torvalds	  If you want to use the newer version of the automounter with more
3391da177e4SLinus Torvalds	  features, say N here and say Y to "Kernel automounter v4 support",
3401da177e4SLinus Torvalds	  below.
3411da177e4SLinus Torvalds
3421da177e4SLinus Torvalds	  To compile this support as a module, choose M here: the module will be
3431da177e4SLinus Torvalds	  called autofs.
3441da177e4SLinus Torvalds
3451da177e4SLinus Torvalds	  If you are not a part of a fairly large, distributed network, you
3461da177e4SLinus Torvalds	  probably do not need an automounter, and can say N here.
3471da177e4SLinus Torvalds
3481da177e4SLinus Torvaldsconfig AUTOFS4_FS
3491da177e4SLinus Torvalds	tristate "Kernel automounter version 4 support (also supports v3)"
3501da177e4SLinus Torvalds	help
3511da177e4SLinus Torvalds	  The automounter is a tool to automatically mount remote file systems
3521da177e4SLinus Torvalds	  on demand. This implementation is partially kernel-based to reduce
3531da177e4SLinus Torvalds	  overhead in the already-mounted case; this is unlike the BSD
3541da177e4SLinus Torvalds	  automounter (amd), which is a pure user space daemon.
3551da177e4SLinus Torvalds
3561da177e4SLinus Torvalds	  To use the automounter you need the user-space tools from
3571da177e4SLinus Torvalds	  <ftp://ftp.kernel.org/pub/linux/daemons/autofs/v4/>; you also
3581da177e4SLinus Torvalds	  want to answer Y to "NFS file system support", below.
3591da177e4SLinus Torvalds
3601da177e4SLinus Torvalds	  To compile this support as a module, choose M here: the module will be
3611da177e4SLinus Torvalds	  called autofs4.  You will need to add "alias autofs autofs4" to your
3621da177e4SLinus Torvalds	  modules configuration file.
3631da177e4SLinus Torvalds
3641da177e4SLinus Torvalds	  If you are not a part of a fairly large, distributed network or
3651da177e4SLinus Torvalds	  don't have a laptop which needs to dynamically reconfigure to the
3661da177e4SLinus Torvalds	  local network, you probably do not need an automounter, and can say
3671da177e4SLinus Torvalds	  N here.
3681da177e4SLinus Torvalds
36904578f17SMiklos Szerediconfig FUSE_FS
37037194d07SRobert P. J. Day	tristate "FUSE (Filesystem in Userspace) support"
37104578f17SMiklos Szeredi	help
37204578f17SMiklos Szeredi	  With FUSE it is possible to implement a fully functional filesystem
37304578f17SMiklos Szeredi	  in a userspace program.
37404578f17SMiklos Szeredi
37504578f17SMiklos Szeredi	  There's also companion library: libfuse.  This library along with
37604578f17SMiklos Szeredi	  utilities is available from the FUSE homepage:
37704578f17SMiklos Szeredi	  <http://fuse.sourceforge.net/>
37804578f17SMiklos Szeredi
379909021eaSMiklos Szeredi	  See <file:Documentation/filesystems/fuse.txt> for more information.
380909021eaSMiklos Szeredi	  See <file:Documentation/Changes> for needed library/utility version.
381909021eaSMiklos Szeredi
38204578f17SMiklos Szeredi	  If you want to develop a userspace FS, or if you want to use
38304578f17SMiklos Szeredi	  a filesystem based on FUSE, answer Y or M.
38404578f17SMiklos Szeredi
385f2fbc6c2SRandy Dunlapconfig GENERIC_ACL
386f2fbc6c2SRandy Dunlap	bool
387f2fbc6c2SRandy Dunlap	select FS_POSIX_ACL
388f2fbc6c2SRandy Dunlap
3899361401eSDavid Howellsif BLOCK
3901da177e4SLinus Torvaldsmenu "CD-ROM/DVD Filesystems"
3911da177e4SLinus Torvalds
3921da177e4SLinus Torvaldsconfig ISO9660_FS
3931da177e4SLinus Torvalds	tristate "ISO 9660 CDROM file system support"
3941da177e4SLinus Torvalds	help
3951da177e4SLinus Torvalds	  This is the standard file system used on CD-ROMs.  It was previously
3961da177e4SLinus Torvalds	  known as "High Sierra File System" and is called "hsfs" on other
3971da177e4SLinus Torvalds	  Unix systems.  The so-called Rock-Ridge extensions which allow for
3981da177e4SLinus Torvalds	  long Unix filenames and symbolic links are also supported by this
3991da177e4SLinus Torvalds	  driver.  If you have a CD-ROM drive and want to do more with it than
4001da177e4SLinus Torvalds	  just listen to audio CDs and watch its LEDs, say Y (and read
4011da177e4SLinus Torvalds	  <file:Documentation/filesystems/isofs.txt> and the CD-ROM-HOWTO,
4021da177e4SLinus Torvalds	  available from <http://www.tldp.org/docs.html#howto>), thereby
4031da177e4SLinus Torvalds	  enlarging your kernel by about 27 KB; otherwise say N.
4041da177e4SLinus Torvalds
4051da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
4061da177e4SLinus Torvalds	  module will be called isofs.
4071da177e4SLinus Torvalds
4081da177e4SLinus Torvaldsconfig JOLIET
4091da177e4SLinus Torvalds	bool "Microsoft Joliet CDROM extensions"
4101da177e4SLinus Torvalds	depends on ISO9660_FS
4111da177e4SLinus Torvalds	select NLS
4121da177e4SLinus Torvalds	help
4131da177e4SLinus Torvalds	  Joliet is a Microsoft extension for the ISO 9660 CD-ROM file system
4141da177e4SLinus Torvalds	  which allows for long filenames in unicode format (unicode is the
4151da177e4SLinus Torvalds	  new 16 bit character code, successor to ASCII, which encodes the
4161da177e4SLinus Torvalds	  characters of almost all languages of the world; see
4171da177e4SLinus Torvalds	  <http://www.unicode.org/> for more information).  Say Y here if you
4181da177e4SLinus Torvalds	  want to be able to read Joliet CD-ROMs under Linux.
4191da177e4SLinus Torvalds
4201da177e4SLinus Torvaldsconfig ZISOFS
4211da177e4SLinus Torvalds	bool "Transparent decompression extension"
4221da177e4SLinus Torvalds	depends on ISO9660_FS
4231da177e4SLinus Torvalds	select ZLIB_INFLATE
4241da177e4SLinus Torvalds	help
4251da177e4SLinus Torvalds	  This is a Linux-specific extension to RockRidge which lets you store
4261da177e4SLinus Torvalds	  data in compressed form on a CD-ROM and have it transparently
4271da177e4SLinus Torvalds	  decompressed when the CD-ROM is accessed.  See
4281da177e4SLinus Torvalds	  <http://www.kernel.org/pub/linux/utils/fs/zisofs/> for the tools
4291da177e4SLinus Torvalds	  necessary to create such a filesystem.  Say Y here if you want to be
4301da177e4SLinus Torvalds	  able to read such compressed CD-ROMs.
4311da177e4SLinus Torvalds
4321da177e4SLinus Torvaldsconfig UDF_FS
4331da177e4SLinus Torvalds	tristate "UDF file system support"
434f845fcedSBob Copeland	select CRC_ITU_T
4351da177e4SLinus Torvalds	help
4361da177e4SLinus Torvalds	  This is the new file system used on some CD-ROMs and DVDs. Say Y if
4371da177e4SLinus Torvalds	  you intend to mount DVD discs or CDRW's written in packet mode, or
4381da177e4SLinus Torvalds	  if written to by other UDF utilities, such as DirectCD.
4391da177e4SLinus Torvalds	  Please read <file:Documentation/filesystems/udf.txt>.
4401da177e4SLinus Torvalds
4411da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
4421da177e4SLinus Torvalds	  module will be called udf.
4431da177e4SLinus Torvalds
4441da177e4SLinus Torvalds	  If unsure, say N.
4451da177e4SLinus Torvalds
4461da177e4SLinus Torvaldsconfig UDF_NLS
4471da177e4SLinus Torvalds	bool
4481da177e4SLinus Torvalds	default y
4491da177e4SLinus Torvalds	depends on (UDF_FS=m && NLS) || (UDF_FS=y && NLS=y)
4501da177e4SLinus Torvalds
4511da177e4SLinus Torvaldsendmenu
45225fad945SRandy Dunlapendif # BLOCK
4531da177e4SLinus Torvalds
4549361401eSDavid Howellsif BLOCK
4551da177e4SLinus Torvaldsmenu "DOS/FAT/NT Filesystems"
4561da177e4SLinus Torvalds
4571da177e4SLinus Torvaldsconfig FAT_FS
4581da177e4SLinus Torvalds	tristate
4591da177e4SLinus Torvalds	select NLS
4601da177e4SLinus Torvalds	help
4611da177e4SLinus Torvalds	  If you want to use one of the FAT-based file systems (the MS-DOS and
4621da177e4SLinus Torvalds	  VFAT (Windows 95) file systems), then you must say Y or M here
4631da177e4SLinus Torvalds	  to include FAT support. You will then be able to mount partitions or
4641da177e4SLinus Torvalds	  diskettes with FAT-based file systems and transparently access the
4651da177e4SLinus Torvalds	  files on them, i.e. MSDOS files will look and behave just like all
4661da177e4SLinus Torvalds	  other Unix files.
4671da177e4SLinus Torvalds
4681da177e4SLinus Torvalds	  This FAT support is not a file system in itself, it only provides
4691da177e4SLinus Torvalds	  the foundation for the other file systems. You will have to say Y or
4701da177e4SLinus Torvalds	  M to at least one of "MSDOS fs support" or "VFAT fs support" in
4711da177e4SLinus Torvalds	  order to make use of it.
4721da177e4SLinus Torvalds
4731da177e4SLinus Torvalds	  Another way to read and write MSDOS floppies and hard drive
4741da177e4SLinus Torvalds	  partitions from within Linux (but not transparently) is with the
4751da177e4SLinus Torvalds	  mtools ("man mtools") program suite. You don't need to say Y here in
4761da177e4SLinus Torvalds	  order to do that.
4771da177e4SLinus Torvalds
4781da177e4SLinus Torvalds	  If you need to move large files on floppies between a DOS and a
4791da177e4SLinus Torvalds	  Linux box, say Y here, mount the floppy under Linux with an MSDOS
4801da177e4SLinus Torvalds	  file system and use GNU tar's M option. GNU tar is a program
4811da177e4SLinus Torvalds	  available for Unix and DOS ("man tar" or "info tar").
4821da177e4SLinus Torvalds
4831da177e4SLinus Torvalds	  The FAT support will enlarge your kernel by about 37 KB. If unsure,
4841da177e4SLinus Torvalds	  say Y.
4851da177e4SLinus Torvalds
4861da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
4871da177e4SLinus Torvalds	  fat.  Note that if you compile the FAT support as a module, you
4881da177e4SLinus Torvalds	  cannot compile any of the FAT-based file systems into the kernel
4891da177e4SLinus Torvalds	  -- they will have to be modules as well.
4901da177e4SLinus Torvalds
4911da177e4SLinus Torvaldsconfig MSDOS_FS
4921da177e4SLinus Torvalds	tristate "MSDOS fs support"
4931da177e4SLinus Torvalds	select FAT_FS
4941da177e4SLinus Torvalds	help
4951da177e4SLinus Torvalds	  This allows you to mount MSDOS partitions of your hard drive (unless
4961da177e4SLinus Torvalds	  they are compressed; to access compressed MSDOS partitions under
4971da177e4SLinus Torvalds	  Linux, you can either use the DOS emulator DOSEMU, described in the
4981da177e4SLinus Torvalds	  DOSEMU-HOWTO, available from
4991da177e4SLinus Torvalds	  <http://www.tldp.org/docs.html#howto>, or try dmsdosfs in
5001da177e4SLinus Torvalds	  <ftp://ibiblio.org/pub/Linux/system/filesystems/dosfs/>. If you
5011da177e4SLinus Torvalds	  intend to use dosemu with a non-compressed MSDOS partition, say Y
5021da177e4SLinus Torvalds	  here) and MSDOS floppies. This means that file access becomes
5031da177e4SLinus Torvalds	  transparent, i.e. the MSDOS files look and behave just like all
5041da177e4SLinus Torvalds	  other Unix files.
5051da177e4SLinus Torvalds
5061da177e4SLinus Torvalds	  If you have Windows 95 or Windows NT installed on your MSDOS
5071da177e4SLinus Torvalds	  partitions, you should use the VFAT file system (say Y to "VFAT fs
5081da177e4SLinus Torvalds	  support" below), or you will not be able to see the long filenames
5091da177e4SLinus Torvalds	  generated by Windows 95 / Windows NT.
5101da177e4SLinus Torvalds
5111da177e4SLinus Torvalds	  This option will enlarge your kernel by about 7 KB. If unsure,
5121da177e4SLinus Torvalds	  answer Y. This will only work if you said Y to "DOS FAT fs support"
5131da177e4SLinus Torvalds	  as well. To compile this as a module, choose M here: the module will
5141da177e4SLinus Torvalds	  be called msdos.
5151da177e4SLinus Torvalds
5161da177e4SLinus Torvaldsconfig VFAT_FS
5171da177e4SLinus Torvalds	tristate "VFAT (Windows-95) fs support"
5181da177e4SLinus Torvalds	select FAT_FS
5191da177e4SLinus Torvalds	help
5201da177e4SLinus Torvalds	  This option provides support for normal Windows file systems with
5211da177e4SLinus Torvalds	  long filenames.  That includes non-compressed FAT-based file systems
5221da177e4SLinus Torvalds	  used by Windows 95, Windows 98, Windows NT 4.0, and the Unix
5231da177e4SLinus Torvalds	  programs from the mtools package.
5241da177e4SLinus Torvalds
5251da177e4SLinus Torvalds	  The VFAT support enlarges your kernel by about 10 KB and it only
5261da177e4SLinus Torvalds	  works if you said Y to the "DOS FAT fs support" above.  Please read
5271da177e4SLinus Torvalds	  the file <file:Documentation/filesystems/vfat.txt> for details.  If
5281da177e4SLinus Torvalds	  unsure, say Y.
5291da177e4SLinus Torvalds
5301da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
5311da177e4SLinus Torvalds	  vfat.
5321da177e4SLinus Torvalds
5331da177e4SLinus Torvaldsconfig FAT_DEFAULT_CODEPAGE
5341da177e4SLinus Torvalds	int "Default codepage for FAT"
5351da177e4SLinus Torvalds	depends on MSDOS_FS || VFAT_FS
5361da177e4SLinus Torvalds	default 437
5371da177e4SLinus Torvalds	help
5381da177e4SLinus Torvalds	  This option should be set to the codepage of your FAT filesystems.
5391da177e4SLinus Torvalds	  It can be overridden with the "codepage" mount option.
5401da177e4SLinus Torvalds	  See <file:Documentation/filesystems/vfat.txt> for more information.
5411da177e4SLinus Torvalds
5421da177e4SLinus Torvaldsconfig FAT_DEFAULT_IOCHARSET
5431da177e4SLinus Torvalds	string "Default iocharset for FAT"
5441da177e4SLinus Torvalds	depends on VFAT_FS
5451da177e4SLinus Torvalds	default "iso8859-1"
5461da177e4SLinus Torvalds	help
5471da177e4SLinus Torvalds	  Set this to the default input/output character set you'd
5481da177e4SLinus Torvalds	  like FAT to use. It should probably match the character set
5491da177e4SLinus Torvalds	  that most of your FAT filesystems use, and can be overridden
5501da177e4SLinus Torvalds	  with the "iocharset" mount option for FAT filesystems.
5511da177e4SLinus Torvalds	  Note that "utf8" is not recommended for FAT filesystems.
5521da177e4SLinus Torvalds	  If unsure, you shouldn't set "utf8" here.
5531da177e4SLinus Torvalds	  See <file:Documentation/filesystems/vfat.txt> for more information.
5541da177e4SLinus Torvalds
5551da177e4SLinus Torvaldsconfig NTFS_FS
5561da177e4SLinus Torvalds	tristate "NTFS file system support"
5571da177e4SLinus Torvalds	select NLS
5581da177e4SLinus Torvalds	help
5591da177e4SLinus Torvalds	  NTFS is the file system of Microsoft Windows NT, 2000, XP and 2003.
5601da177e4SLinus Torvalds
5611da177e4SLinus Torvalds	  Saying Y or M here enables read support.  There is partial, but
5621da177e4SLinus Torvalds	  safe, write support available.  For write support you must also
5631da177e4SLinus Torvalds	  say Y to "NTFS write support" below.
5641da177e4SLinus Torvalds
5651da177e4SLinus Torvalds	  There are also a number of user-space tools available, called
5661da177e4SLinus Torvalds	  ntfsprogs.  These include ntfsundelete and ntfsresize, that work
5671da177e4SLinus Torvalds	  without NTFS support enabled in the kernel.
5681da177e4SLinus Torvalds
5691da177e4SLinus Torvalds	  This is a rewrite from scratch of Linux NTFS support and replaced
5701da177e4SLinus Torvalds	  the old NTFS code starting with Linux 2.5.11.  A backport to
5711da177e4SLinus Torvalds	  the Linux 2.4 kernel series is separately available as a patch
5721da177e4SLinus Torvalds	  from the project web site.
5731da177e4SLinus Torvalds
5741da177e4SLinus Torvalds	  For more information see <file:Documentation/filesystems/ntfs.txt>
575337e2ab5SJess Guerrero	  and <http://www.linux-ntfs.org/>.
5761da177e4SLinus Torvalds
5771da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
5781da177e4SLinus Torvalds	  module will be called ntfs.
5791da177e4SLinus Torvalds
5801da177e4SLinus Torvalds	  If you are not using Windows NT, 2000, XP or 2003 in addition to
5811da177e4SLinus Torvalds	  Linux on your computer it is safe to say N.
5821da177e4SLinus Torvalds
5831da177e4SLinus Torvaldsconfig NTFS_DEBUG
5841da177e4SLinus Torvalds	bool "NTFS debugging support"
5851da177e4SLinus Torvalds	depends on NTFS_FS
5861da177e4SLinus Torvalds	help
5871da177e4SLinus Torvalds	  If you are experiencing any problems with the NTFS file system, say
5881da177e4SLinus Torvalds	  Y here.  This will result in additional consistency checks to be
5891da177e4SLinus Torvalds	  performed by the driver as well as additional debugging messages to
5901da177e4SLinus Torvalds	  be written to the system log.  Note that debugging messages are
5911da177e4SLinus Torvalds	  disabled by default.  To enable them, supply the option debug_msgs=1
5921da177e4SLinus Torvalds	  at the kernel command line when booting the kernel or as an option
5931da177e4SLinus Torvalds	  to insmod when loading the ntfs module.  Once the driver is active,
5941da177e4SLinus Torvalds	  you can enable debugging messages by doing (as root):
5951da177e4SLinus Torvalds	  echo 1 > /proc/sys/fs/ntfs-debug
5961da177e4SLinus Torvalds	  Replacing the "1" with "0" would disable debug messages.
5971da177e4SLinus Torvalds
5981da177e4SLinus Torvalds	  If you leave debugging messages disabled, this results in little
5991da177e4SLinus Torvalds	  overhead, but enabling debug messages results in very significant
6001da177e4SLinus Torvalds	  slowdown of the system.
6011da177e4SLinus Torvalds
6021da177e4SLinus Torvalds	  When reporting bugs, please try to have available a full dump of
6031da177e4SLinus Torvalds	  debugging messages while the misbehaviour was occurring.
6041da177e4SLinus Torvalds
6051da177e4SLinus Torvaldsconfig NTFS_RW
6061da177e4SLinus Torvalds	bool "NTFS write support"
6071da177e4SLinus Torvalds	depends on NTFS_FS
6081da177e4SLinus Torvalds	help
6091da177e4SLinus Torvalds	  This enables the partial, but safe, write support in the NTFS driver.
6101da177e4SLinus Torvalds
6111da177e4SLinus Torvalds	  The only supported operation is overwriting existing files, without
6121da177e4SLinus Torvalds	  changing the file length.  No file or directory creation, deletion or
6131da177e4SLinus Torvalds	  renaming is possible.  Note only non-resident files can be written to
6141da177e4SLinus Torvalds	  so you may find that some very small files (<500 bytes or so) cannot
6151da177e4SLinus Torvalds	  be written to.
6161da177e4SLinus Torvalds
6171da177e4SLinus Torvalds	  While we cannot guarantee that it will not damage any data, we have
6181da177e4SLinus Torvalds	  so far not received a single report where the driver would have
6191da177e4SLinus Torvalds	  damaged someones data so we assume it is perfectly safe to use.
6201da177e4SLinus Torvalds
6211da177e4SLinus Torvalds	  Note:  While write support is safe in this version (a rewrite from
6221da177e4SLinus Torvalds	  scratch of the NTFS support), it should be noted that the old NTFS
6231da177e4SLinus Torvalds	  write support, included in Linux 2.5.10 and before (since 1997),
6241da177e4SLinus Torvalds	  is not safe.
6251da177e4SLinus Torvalds
6261da177e4SLinus Torvalds	  This is currently useful with TopologiLinux.  TopologiLinux is run
6271da177e4SLinus Torvalds	  on top of any DOS/Microsoft Windows system without partitioning your
6281da177e4SLinus Torvalds	  hard disk.  Unlike other Linux distributions TopologiLinux does not
6291da177e4SLinus Torvalds	  need its own partition.  For more information see
6301da177e4SLinus Torvalds	  <http://topologi-linux.sourceforge.net/>
6311da177e4SLinus Torvalds
6321da177e4SLinus Torvalds	  It is perfectly safe to say N here.
6331da177e4SLinus Torvalds
6341da177e4SLinus Torvaldsendmenu
63525fad945SRandy Dunlapendif # BLOCK
6361da177e4SLinus Torvalds
6371da177e4SLinus Torvaldsmenu "Pseudo filesystems"
6381da177e4SLinus Torvalds
6396eedf8d3SAlexey Dobriyansource "fs/proc/Kconfig"
640b89a8171SEric W. Biederman
6411da177e4SLinus Torvaldsconfig SYSFS
6421da177e4SLinus Torvalds	bool "sysfs file system support" if EMBEDDED
6431da177e4SLinus Torvalds	default y
6441da177e4SLinus Torvalds	help
6451da177e4SLinus Torvalds	The sysfs filesystem is a virtual filesystem that the kernel uses to
6461da177e4SLinus Torvalds	export internal kernel objects, their attributes, and their
6471da177e4SLinus Torvalds	relationships to one another.
6481da177e4SLinus Torvalds
6491da177e4SLinus Torvalds	Users can use sysfs to ascertain useful information about the running
6501da177e4SLinus Torvalds	kernel, such as the devices the kernel has discovered on each bus and
6511da177e4SLinus Torvalds	which driver each is bound to. sysfs can also be used to tune devices
6521da177e4SLinus Torvalds	and other kernel subsystems.
6531da177e4SLinus Torvalds
6541da177e4SLinus Torvalds	Some system agents rely on the information in sysfs to operate.
6551da177e4SLinus Torvalds	/sbin/hotplug uses device and object attributes in sysfs to assist in
65603a67a46SJan Engelhardt	delegating policy decisions, like persistently naming devices.
6571da177e4SLinus Torvalds
6581da177e4SLinus Torvalds	sysfs is currently used by the block subsystem to mount the root
6591da177e4SLinus Torvalds	partition.  If sysfs is disabled you must specify the boot device on
6601da177e4SLinus Torvalds	the kernel boot command line via its major and minor numbers.  For
6611da177e4SLinus Torvalds	example, "root=03:01" for /dev/hda1.
6621da177e4SLinus Torvalds
6631da177e4SLinus Torvalds	Designers of embedded systems may wish to say N here to conserve space.
6641da177e4SLinus Torvalds
6651da177e4SLinus Torvaldsconfig TMPFS
6661da177e4SLinus Torvalds	bool "Virtual memory file system support (former shm fs)"
6671da177e4SLinus Torvalds	help
6681da177e4SLinus Torvalds	  Tmpfs is a file system which keeps all files in virtual memory.
6691da177e4SLinus Torvalds
6701da177e4SLinus Torvalds	  Everything in tmpfs is temporary in the sense that no files will be
6711da177e4SLinus Torvalds	  created on your hard drive. The files live in memory and swap
6721da177e4SLinus Torvalds	  space. If you unmount a tmpfs instance, everything stored therein is
6731da177e4SLinus Torvalds	  lost.
6741da177e4SLinus Torvalds
6751da177e4SLinus Torvalds	  See <file:Documentation/filesystems/tmpfs.txt> for details.
6761da177e4SLinus Torvalds
67739f0247dSAndreas Gruenbacherconfig TMPFS_POSIX_ACL
67839f0247dSAndreas Gruenbacher	bool "Tmpfs POSIX Access Control Lists"
67939f0247dSAndreas Gruenbacher	depends on TMPFS
68039f0247dSAndreas Gruenbacher	select GENERIC_ACL
68139f0247dSAndreas Gruenbacher	help
68239f0247dSAndreas Gruenbacher	  POSIX Access Control Lists (ACLs) support permissions for users and
68339f0247dSAndreas Gruenbacher	  groups beyond the owner/group/world scheme.
68439f0247dSAndreas Gruenbacher
68539f0247dSAndreas Gruenbacher	  To learn more about Access Control Lists, visit the POSIX ACLs for
68639f0247dSAndreas Gruenbacher	  Linux website <http://acl.bestbits.at/>.
68739f0247dSAndreas Gruenbacher
68839f0247dSAndreas Gruenbacher	  If you don't know what Access Control Lists are, say N.
68939f0247dSAndreas Gruenbacher
6901da177e4SLinus Torvaldsconfig HUGETLBFS
6911da177e4SLinus Torvalds	bool "HugeTLB file system support"
69253492b1dSGerald Schaefer	depends on X86 || IA64 || PPC64 || SPARC64 || (SUPERH && MMU) || \
69353492b1dSGerald Schaefer		   (S390 && 64BIT) || BROKEN
694dda27d1aSArthur Othieno	help
695dda27d1aSArthur Othieno	  hugetlbfs is a filesystem backing for HugeTLB pages, based on
696dda27d1aSArthur Othieno	  ramfs. For architectures that support it, say Y here and read
697dda27d1aSArthur Othieno	  <file:Documentation/vm/hugetlbpage.txt> for details.
698dda27d1aSArthur Othieno
699dda27d1aSArthur Othieno	  If unsure, say N.
7001da177e4SLinus Torvalds
7011da177e4SLinus Torvaldsconfig HUGETLB_PAGE
7021da177e4SLinus Torvalds	def_bool HUGETLBFS
7031da177e4SLinus Torvalds
7047063fbf2SJoel Beckerconfig CONFIGFS_FS
70502ac0499SJoel Becker	tristate "Userspace-driven configuration filesystem"
70602ac0499SJoel Becker	depends on SYSFS
7077063fbf2SJoel Becker	help
7087063fbf2SJoel Becker	  configfs is a ram-based filesystem that provides the converse
7097063fbf2SJoel Becker	  of sysfs's functionality. Where sysfs is a filesystem-based
7107063fbf2SJoel Becker	  view of kernel objects, configfs is a filesystem-based manager
7117063fbf2SJoel Becker	  of kernel objects, or config_items.
7127063fbf2SJoel Becker
7137063fbf2SJoel Becker	  Both sysfs and configfs can and should exist together on the
7147063fbf2SJoel Becker	  same system. One is not a replacement for the other.
7157063fbf2SJoel Becker
7161da177e4SLinus Torvaldsendmenu
7171da177e4SLinus Torvalds
7181da177e4SLinus Torvaldsmenu "Miscellaneous filesystems"
7191da177e4SLinus Torvalds
7201da177e4SLinus Torvaldsconfig ADFS_FS
7211da177e4SLinus Torvalds	tristate "ADFS file system support (EXPERIMENTAL)"
7229361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
7231da177e4SLinus Torvalds	help
7241da177e4SLinus Torvalds	  The Acorn Disc Filing System is the standard file system of the
7251da177e4SLinus Torvalds	  RiscOS operating system which runs on Acorn's ARM-based Risc PC
7261da177e4SLinus Torvalds	  systems and the Acorn Archimedes range of machines. If you say Y
7271da177e4SLinus Torvalds	  here, Linux will be able to read from ADFS partitions on hard drives
7281da177e4SLinus Torvalds	  and from ADFS-formatted floppy discs. If you also want to be able to
7291da177e4SLinus Torvalds	  write to those devices, say Y to "ADFS write support" below.
7301da177e4SLinus Torvalds
7311da177e4SLinus Torvalds	  The ADFS partition should be the first partition (i.e.,
7321da177e4SLinus Torvalds	  /dev/[hs]d?1) on each of your drives. Please read the file
7331da177e4SLinus Torvalds	  <file:Documentation/filesystems/adfs.txt> for further details.
7341da177e4SLinus Torvalds
7351da177e4SLinus Torvalds	  To compile this code as a module, choose M here: the module will be
7361da177e4SLinus Torvalds	  called adfs.
7371da177e4SLinus Torvalds
7381da177e4SLinus Torvalds	  If unsure, say N.
7391da177e4SLinus Torvalds
7401da177e4SLinus Torvaldsconfig ADFS_FS_RW
7411da177e4SLinus Torvalds	bool "ADFS write support (DANGEROUS)"
7421da177e4SLinus Torvalds	depends on ADFS_FS
7431da177e4SLinus Torvalds	help
7441da177e4SLinus Torvalds	  If you say Y here, you will be able to write to ADFS partitions on
7451da177e4SLinus Torvalds	  hard drives and ADFS-formatted floppy disks. This is experimental
7461da177e4SLinus Torvalds	  codes, so if you're unsure, say N.
7471da177e4SLinus Torvalds
7481da177e4SLinus Torvaldsconfig AFFS_FS
7491da177e4SLinus Torvalds	tristate "Amiga FFS file system support (EXPERIMENTAL)"
7509361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
7511da177e4SLinus Torvalds	help
7521da177e4SLinus Torvalds	  The Fast File System (FFS) is the common file system used on hard
7531da177e4SLinus Torvalds	  disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20).  Say Y
7541da177e4SLinus Torvalds	  if you want to be able to read and write files from and to an Amiga
7551da177e4SLinus Torvalds	  FFS partition on your hard drive.  Amiga floppies however cannot be
7561da177e4SLinus Torvalds	  read with this driver due to an incompatibility of the floppy
7571da177e4SLinus Torvalds	  controller used in an Amiga and the standard floppy controller in
7581da177e4SLinus Torvalds	  PCs and workstations. Read <file:Documentation/filesystems/affs.txt>
7591da177e4SLinus Torvalds	  and <file:fs/affs/Changes>.
7601da177e4SLinus Torvalds
7611da177e4SLinus Torvalds	  With this driver you can also mount disk files used by Bernd
7621da177e4SLinus Torvalds	  Schmidt's Un*X Amiga Emulator
7631da177e4SLinus Torvalds	  (<http://www.freiburg.linux.de/~uae/>).
7641da177e4SLinus Torvalds	  If you want to do this, you will also need to say Y or M to "Loop
7651da177e4SLinus Torvalds	  device support", above.
7661da177e4SLinus Torvalds
7671da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
7681da177e4SLinus Torvalds	  module will be called affs.  If unsure, say N.
7691da177e4SLinus Torvalds
770237fead6SMichael Halcrowconfig ECRYPT_FS
771237fead6SMichael Halcrow	tristate "eCrypt filesystem layer support (EXPERIMENTAL)"
77288b4a07eSMichael Halcrow	depends on EXPERIMENTAL && KEYS && CRYPTO && NET
773237fead6SMichael Halcrow	help
774237fead6SMichael Halcrow	  Encrypted filesystem that operates on the VFS layer.  See
775e403149cSDirk Hohndel	  <file:Documentation/filesystems/ecryptfs.txt> to learn more about
776237fead6SMichael Halcrow	  eCryptfs.  Userspace components are required and can be
777237fead6SMichael Halcrow	  obtained from <http://ecryptfs.sf.net>.
778237fead6SMichael Halcrow
779237fead6SMichael Halcrow	  To compile this file system support as a module, choose M here: the
780237fead6SMichael Halcrow	  module will be called ecryptfs.
781237fead6SMichael Halcrow
7821da177e4SLinus Torvaldsconfig HFS_FS
7831da177e4SLinus Torvalds	tristate "Apple Macintosh file system support (EXPERIMENTAL)"
7849361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
785878129a3SLennert Buytenhek	select NLS
7861da177e4SLinus Torvalds	help
7871da177e4SLinus Torvalds	  If you say Y here, you will be able to mount Macintosh-formatted
7881da177e4SLinus Torvalds	  floppy disks and hard drive partitions with full read-write access.
789889c94a1SJohann Felix Soden	  Please read <file:Documentation/filesystems/hfs.txt> to learn about
790889c94a1SJohann Felix Soden	  the available mount options.
7911da177e4SLinus Torvalds
7921da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
7931da177e4SLinus Torvalds	  module will be called hfs.
7941da177e4SLinus Torvalds
7951da177e4SLinus Torvaldsconfig HFSPLUS_FS
7961da177e4SLinus Torvalds	tristate "Apple Extended HFS file system support"
7979361401eSDavid Howells	depends on BLOCK
7981da177e4SLinus Torvalds	select NLS
7991da177e4SLinus Torvalds	select NLS_UTF8
8001da177e4SLinus Torvalds	help
8011da177e4SLinus Torvalds	  If you say Y here, you will be able to mount extended format
8021da177e4SLinus Torvalds	  Macintosh-formatted hard drive partitions with full read-write access.
8031da177e4SLinus Torvalds
8041da177e4SLinus Torvalds	  This file system is often called HFS+ and was introduced with
8051da177e4SLinus Torvalds	  MacOS 8. It includes all Mac specific filesystem data such as
8061da177e4SLinus Torvalds	  data forks and creator codes, but it also has several UNIX
8071da177e4SLinus Torvalds	  style features such as file ownership and permissions.
8081da177e4SLinus Torvalds
8091da177e4SLinus Torvaldsconfig BEFS_FS
8101da177e4SLinus Torvalds	tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)"
8119361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
8121da177e4SLinus Torvalds	select NLS
8131da177e4SLinus Torvalds	help
8141da177e4SLinus Torvalds	  The BeOS File System (BeFS) is the native file system of Be, Inc's
8151da177e4SLinus Torvalds	  BeOS. Notable features include support for arbitrary attributes
8163cb2fcccSMatt LaPlante	  on files and directories, and database-like indices on selected
8171da177e4SLinus Torvalds	  attributes. (Also note that this driver doesn't make those features
8181da177e4SLinus Torvalds	  available at this time). It is a 64 bit filesystem, so it supports
81944c09201SMatt LaPlante	  extremely large volumes and files.
8201da177e4SLinus Torvalds
8211da177e4SLinus Torvalds	  If you use this filesystem, you should also say Y to at least one
8221da177e4SLinus Torvalds	  of the NLS (native language support) options below.
8231da177e4SLinus Torvalds
8241da177e4SLinus Torvalds	  If you don't know what this is about, say N.
8251da177e4SLinus Torvalds
8261da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be
8271da177e4SLinus Torvalds	  called befs.
8281da177e4SLinus Torvalds
8291da177e4SLinus Torvaldsconfig BEFS_DEBUG
8301da177e4SLinus Torvalds	bool "Debug BeFS"
8311da177e4SLinus Torvalds	depends on BEFS_FS
8321da177e4SLinus Torvalds	help
8331da177e4SLinus Torvalds	  If you say Y here, you can use the 'debug' mount option to enable
8341da177e4SLinus Torvalds	  debugging output from the driver.
8351da177e4SLinus Torvalds
8361da177e4SLinus Torvaldsconfig BFS_FS
8371da177e4SLinus Torvalds	tristate "BFS file system support (EXPERIMENTAL)"
8389361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
8391da177e4SLinus Torvalds	help
8401da177e4SLinus Torvalds	  Boot File System (BFS) is a file system used under SCO UnixWare to
8411da177e4SLinus Torvalds	  allow the bootloader access to the kernel image and other important
8421da177e4SLinus Torvalds	  files during the boot process.  It is usually mounted under /stand
8431da177e4SLinus Torvalds	  and corresponds to the slice marked as "STAND" in the UnixWare
8441da177e4SLinus Torvalds	  partition.  You should say Y if you want to read or write the files
8451da177e4SLinus Torvalds	  on your /stand slice from within Linux.  You then also need to say Y
8461da177e4SLinus Torvalds	  to "UnixWare slices support", below.  More information about the BFS
8471da177e4SLinus Torvalds	  file system is contained in the file
8481da177e4SLinus Torvalds	  <file:Documentation/filesystems/bfs.txt>.
8491da177e4SLinus Torvalds
8501da177e4SLinus Torvalds	  If you don't know what this is about, say N.
8511da177e4SLinus Torvalds
8521da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
8531da177e4SLinus Torvalds	  bfs.  Note that the file system of your root partition (the one
8541da177e4SLinus Torvalds	  containing the directory /) cannot be compiled as a module.
8551da177e4SLinus Torvalds
8561da177e4SLinus Torvalds
8571da177e4SLinus Torvalds
8581da177e4SLinus Torvaldsconfig EFS_FS
8591da177e4SLinus Torvalds	tristate "EFS file system support (read only) (EXPERIMENTAL)"
8609361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
8611da177e4SLinus Torvalds	help
8621da177e4SLinus Torvalds	  EFS is an older file system used for non-ISO9660 CD-ROMs and hard
8631da177e4SLinus Torvalds	  disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer
8641da177e4SLinus Torvalds	  uses the XFS file system for hard disk partitions however).
8651da177e4SLinus Torvalds
8661da177e4SLinus Torvalds	  This implementation only offers read-only access. If you don't know
8671da177e4SLinus Torvalds	  what all this is about, it's safe to say N. For more information
8681da177e4SLinus Torvalds	  about EFS see its home page at <http://aeschi.ch.eu.org/efs/>.
8691da177e4SLinus Torvalds
8701da177e4SLinus Torvalds	  To compile the EFS file system support as a module, choose M here: the
8711da177e4SLinus Torvalds	  module will be called efs.
8721da177e4SLinus Torvalds
87331db6e9eSAlexey Dobriyansource "fs/jffs2/Kconfig"
8740d7eff87SArtem Bityutskiy# UBIFS File system configuration
8750d7eff87SArtem Bityutskiysource "fs/ubifs/Kconfig"
8760d7eff87SArtem Bityutskiy
8771da177e4SLinus Torvaldsconfig CRAMFS
8781da177e4SLinus Torvalds	tristate "Compressed ROM file system support (cramfs)"
8799361401eSDavid Howells	depends on BLOCK
8801da177e4SLinus Torvalds	select ZLIB_INFLATE
8811da177e4SLinus Torvalds	help
8821da177e4SLinus Torvalds	  Saying Y here includes support for CramFs (Compressed ROM File
8831da177e4SLinus Torvalds	  System).  CramFs is designed to be a simple, small, and compressed
8841da177e4SLinus Torvalds	  file system for ROM based embedded systems.  CramFs is read-only,
8851da177e4SLinus Torvalds	  limited to 256MB file systems (with 16MB files), and doesn't support
8861da177e4SLinus Torvalds	  16/32 bits uid/gid, hard links and timestamps.
8871da177e4SLinus Torvalds
8881da177e4SLinus Torvalds	  See <file:Documentation/filesystems/cramfs.txt> and
8891da177e4SLinus Torvalds	  <file:fs/cramfs/README> for further information.
8901da177e4SLinus Torvalds
8911da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
8921da177e4SLinus Torvalds	  cramfs.  Note that the root file system (the one containing the
8931da177e4SLinus Torvalds	  directory /) cannot be compiled as a module.
8941da177e4SLinus Torvalds
8951da177e4SLinus Torvalds	  If unsure, say N.
8961da177e4SLinus Torvalds
897*6ab5c1caSPhillip Lougherconfig SQUASHFS
898*6ab5c1caSPhillip Lougher	tristate "SquashFS 4.0 - Squashed file system support"
899*6ab5c1caSPhillip Lougher	depends on BLOCK
900*6ab5c1caSPhillip Lougher	select ZLIB_INFLATE
901*6ab5c1caSPhillip Lougher	help
902*6ab5c1caSPhillip Lougher	  Saying Y here includes support for SquashFS 4.0 (a Compressed
903*6ab5c1caSPhillip Lougher	  Read-Only File System).  Squashfs is a highly compressed read-only
904*6ab5c1caSPhillip Lougher	  filesystem for Linux.  It uses zlib compression to compress both
905*6ab5c1caSPhillip Lougher	  files, inodes and directories.  Inodes in the system are very small
906*6ab5c1caSPhillip Lougher	  and all blocks are packed to minimise data overhead. Block sizes
907*6ab5c1caSPhillip Lougher	  greater than 4K are supported up to a maximum of 1 Mbytes (default
908*6ab5c1caSPhillip Lougher	  block size 128K).  SquashFS 4.0 supports 64 bit filesystems and files
909*6ab5c1caSPhillip Lougher	  (larger than 4GB), full uid/gid information, hard links and
910*6ab5c1caSPhillip Lougher	  timestamps.
911*6ab5c1caSPhillip Lougher
912*6ab5c1caSPhillip Lougher	  Squashfs is intended for general read-only filesystem use, for
913*6ab5c1caSPhillip Lougher	  archival use (i.e. in cases where a .tar.gz file may be used), and in
914*6ab5c1caSPhillip Lougher	  embedded systems where low overhead is needed.  Further information
915*6ab5c1caSPhillip Lougher	  and tools are available from http://squashfs.sourceforge.net.
916*6ab5c1caSPhillip Lougher
917*6ab5c1caSPhillip Lougher	  If you want to compile this as a module ( = code which can be
918*6ab5c1caSPhillip Lougher	  inserted in and removed from the running kernel whenever you want),
919*6ab5c1caSPhillip Lougher	  say M here and read <file:Documentation/modules.txt>.  The module
920*6ab5c1caSPhillip Lougher	  will be called squashfs.  Note that the root file system (the one
921*6ab5c1caSPhillip Lougher	  containing the directory /) cannot be compiled as a module.
922*6ab5c1caSPhillip Lougher
923*6ab5c1caSPhillip Lougher	  If unsure, say N.
924*6ab5c1caSPhillip Lougher
925*6ab5c1caSPhillip Lougherconfig SQUASHFS_EMBEDDED
926*6ab5c1caSPhillip Lougher
927*6ab5c1caSPhillip Lougher	bool "Additional option for memory-constrained systems"
928*6ab5c1caSPhillip Lougher	depends on SQUASHFS
929*6ab5c1caSPhillip Lougher	default n
930*6ab5c1caSPhillip Lougher	help
931*6ab5c1caSPhillip Lougher	  Saying Y here allows you to specify cache size.
932*6ab5c1caSPhillip Lougher
933*6ab5c1caSPhillip Lougher	  If unsure, say N.
934*6ab5c1caSPhillip Lougher
935*6ab5c1caSPhillip Lougherconfig SQUASHFS_FRAGMENT_CACHE_SIZE
936*6ab5c1caSPhillip Lougher	int "Number of fragments cached" if SQUASHFS_EMBEDDED
937*6ab5c1caSPhillip Lougher	depends on SQUASHFS
938*6ab5c1caSPhillip Lougher	default "3"
939*6ab5c1caSPhillip Lougher	help
940*6ab5c1caSPhillip Lougher	  By default SquashFS caches the last 3 fragments read from
941*6ab5c1caSPhillip Lougher	  the filesystem.  Increasing this amount may mean SquashFS
942*6ab5c1caSPhillip Lougher	  has to re-read fragments less often from disk, at the expense
943*6ab5c1caSPhillip Lougher	  of extra system memory.  Decreasing this amount will mean
944*6ab5c1caSPhillip Lougher	  SquashFS uses less memory at the expense of extra reads from disk.
945*6ab5c1caSPhillip Lougher
946*6ab5c1caSPhillip Lougher	  Note there must be at least one cached fragment.  Anything
947*6ab5c1caSPhillip Lougher	  much more than three will probably not make much difference.
948*6ab5c1caSPhillip Lougher
9491da177e4SLinus Torvaldsconfig VXFS_FS
9501da177e4SLinus Torvalds	tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)"
9519361401eSDavid Howells	depends on BLOCK
9521da177e4SLinus Torvalds	help
9531da177e4SLinus Torvalds	  FreeVxFS is a file system driver that support the VERITAS VxFS(TM)
9541da177e4SLinus Torvalds	  file system format.  VERITAS VxFS(TM) is the standard file system
9551da177e4SLinus Torvalds	  of SCO UnixWare (and possibly others) and optionally available
9561da177e4SLinus Torvalds	  for Sunsoft Solaris, HP-UX and many other operating systems.
9571da177e4SLinus Torvalds	  Currently only readonly access is supported.
9581da177e4SLinus Torvalds
9591da177e4SLinus Torvalds	  NOTE: the file system type as used by mount(1), mount(2) and
9601da177e4SLinus Torvalds	  fstab(5) is 'vxfs' as it describes the file system format, not
9611da177e4SLinus Torvalds	  the actual driver.
9621da177e4SLinus Torvalds
9631da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be
9641da177e4SLinus Torvalds	  called freevxfs.  If unsure, say N.
9651da177e4SLinus Torvalds
96625fad945SRandy Dunlapconfig MINIX_FS
96725fad945SRandy Dunlap	tristate "Minix file system support"
96825fad945SRandy Dunlap	depends on BLOCK
96925fad945SRandy Dunlap	help
97025fad945SRandy Dunlap	  Minix is a simple operating system used in many classes about OS's.
97125fad945SRandy Dunlap	  The minix file system (method to organize files on a hard disk
97225fad945SRandy Dunlap	  partition or a floppy disk) was the original file system for Linux,
97325fad945SRandy Dunlap	  but has been superseded by the second extended file system ext2fs.
97425fad945SRandy Dunlap	  You don't want to use the minix file system on your hard disk
97525fad945SRandy Dunlap	  because of certain built-in restrictions, but it is sometimes found
97625fad945SRandy Dunlap	  on older Linux floppy disks.  This option will enlarge your kernel
97725fad945SRandy Dunlap	  by about 28 KB. If unsure, say N.
97825fad945SRandy Dunlap
97925fad945SRandy Dunlap	  To compile this file system support as a module, choose M here: the
98025fad945SRandy Dunlap	  module will be called minix.  Note that the file system of your root
98125fad945SRandy Dunlap	  partition (the one containing the directory /) cannot be compiled as
98225fad945SRandy Dunlap	  a module.
98325fad945SRandy Dunlap
98463ca8ce2SBob Copelandconfig OMFS_FS
98563ca8ce2SBob Copeland	tristate "SonicBlue Optimized MPEG File System support"
98663ca8ce2SBob Copeland	depends on BLOCK
98763ca8ce2SBob Copeland	select CRC_ITU_T
98863ca8ce2SBob Copeland	help
98963ca8ce2SBob Copeland	  This is the proprietary file system used by the Rio Karma music
99063ca8ce2SBob Copeland	  player and ReplayTV DVR.  Despite the name, this filesystem is not
99163ca8ce2SBob Copeland	  more efficient than a standard FS for MPEG files, in fact likely
99263ca8ce2SBob Copeland	  the opposite is true.  Say Y if you have either of these devices
99363ca8ce2SBob Copeland	  and wish to mount its disk.
99463ca8ce2SBob Copeland
99563ca8ce2SBob Copeland	  To compile this file system support as a module, choose M here: the
99663ca8ce2SBob Copeland	  module will be called omfs.  If unsure, say N.
9971da177e4SLinus Torvalds
9981da177e4SLinus Torvaldsconfig HPFS_FS
9991da177e4SLinus Torvalds	tristate "OS/2 HPFS file system support"
10009361401eSDavid Howells	depends on BLOCK
10011da177e4SLinus Torvalds	help
10021da177e4SLinus Torvalds	  OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS
10031da177e4SLinus Torvalds	  is the file system used for organizing files on OS/2 hard disk
10041da177e4SLinus Torvalds	  partitions. Say Y if you want to be able to read files from and
10051da177e4SLinus Torvalds	  write files to an OS/2 HPFS partition on your hard drive. OS/2
10061da177e4SLinus Torvalds	  floppies however are in regular MSDOS format, so you don't need this
10071da177e4SLinus Torvalds	  option in order to be able to read them. Read
10081da177e4SLinus Torvalds	  <file:Documentation/filesystems/hpfs.txt>.
10091da177e4SLinus Torvalds
10101da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
10111da177e4SLinus Torvalds	  module will be called hpfs.  If unsure, say N.
10121da177e4SLinus Torvalds
10131da177e4SLinus Torvalds
10141da177e4SLinus Torvaldsconfig QNX4FS_FS
10151da177e4SLinus Torvalds	tristate "QNX4 file system support (read only)"
10169361401eSDavid Howells	depends on BLOCK
10171da177e4SLinus Torvalds	help
10181da177e4SLinus Torvalds	  This is the file system used by the real-time operating systems
10191da177e4SLinus Torvalds	  QNX 4 and QNX 6 (the latter is also called QNX RTP).
10201da177e4SLinus Torvalds	  Further information is available at <http://www.qnx.com/>.
10211da177e4SLinus Torvalds	  Say Y if you intend to mount QNX hard disks or floppies.
10221da177e4SLinus Torvalds	  Unless you say Y to "QNX4FS read-write support" below, you will
10231da177e4SLinus Torvalds	  only be able to read these file systems.
10241da177e4SLinus Torvalds
10251da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
10261da177e4SLinus Torvalds	  module will be called qnx4.
10271da177e4SLinus Torvalds
10281da177e4SLinus Torvalds	  If you don't know whether you need it, then you don't need it:
10291da177e4SLinus Torvalds	  answer N.
10301da177e4SLinus Torvalds
10311da177e4SLinus Torvaldsconfig QNX4FS_RW
10321da177e4SLinus Torvalds	bool "QNX4FS write support (DANGEROUS)"
10331da177e4SLinus Torvalds	depends on QNX4FS_FS && EXPERIMENTAL && BROKEN
10341da177e4SLinus Torvalds	help
10351da177e4SLinus Torvalds	  Say Y if you want to test write support for QNX4 file systems.
10361da177e4SLinus Torvalds
10371da177e4SLinus Torvalds	  It's currently broken, so for now:
10381da177e4SLinus Torvalds	  answer N.
10391da177e4SLinus Torvalds
104025fad945SRandy Dunlapconfig ROMFS_FS
104125fad945SRandy Dunlap	tristate "ROM file system support"
104225fad945SRandy Dunlap	depends on BLOCK
104325fad945SRandy Dunlap	---help---
104425fad945SRandy Dunlap	  This is a very small read-only file system mainly intended for
104525fad945SRandy Dunlap	  initial ram disks of installation disks, but it could be used for
104625fad945SRandy Dunlap	  other read-only media as well.  Read
104725fad945SRandy Dunlap	  <file:Documentation/filesystems/romfs.txt> for details.
104825fad945SRandy Dunlap
104925fad945SRandy Dunlap	  To compile this file system support as a module, choose M here: the
105025fad945SRandy Dunlap	  module will be called romfs.  Note that the file system of your
105125fad945SRandy Dunlap	  root partition (the one containing the directory /) cannot be a
105225fad945SRandy Dunlap	  module.
105325fad945SRandy Dunlap
105425fad945SRandy Dunlap	  If you don't know whether you need it, then you don't need it:
105525fad945SRandy Dunlap	  answer N.
10561da177e4SLinus Torvalds
10571da177e4SLinus Torvalds
10581da177e4SLinus Torvaldsconfig SYSV_FS
10591da177e4SLinus Torvalds	tristate "System V/Xenix/V7/Coherent file system support"
10609361401eSDavid Howells	depends on BLOCK
10611da177e4SLinus Torvalds	help
10621da177e4SLinus Torvalds	  SCO, Xenix and Coherent are commercial Unix systems for Intel
10631da177e4SLinus Torvalds	  machines, and Version 7 was used on the DEC PDP-11. Saying Y
10641da177e4SLinus Torvalds	  here would allow you to read from their floppies and hard disk
10651da177e4SLinus Torvalds	  partitions.
10661da177e4SLinus Torvalds
10671da177e4SLinus Torvalds	  If you have floppies or hard disk partitions like that, it is likely
10681da177e4SLinus Torvalds	  that they contain binaries from those other Unix systems; in order
1069cab00891SMatt LaPlante	  to run these binaries, you will want to install linux-abi which is
10701da177e4SLinus Torvalds	  a set of kernel modules that lets you run SCO, Xenix, Wyse,
10711da177e4SLinus Torvalds	  UnixWare, Dell Unix and System V programs under Linux.  It is
10721da177e4SLinus Torvalds	  available via FTP (user: ftp) from
10731da177e4SLinus Torvalds	  <ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>).
10741da177e4SLinus Torvalds	  NOTE: that will work only for binaries from Intel-based systems;
10751da177e4SLinus Torvalds	  PDP ones will have to wait until somebody ports Linux to -11 ;-)
10761da177e4SLinus Torvalds
10771da177e4SLinus Torvalds	  If you only intend to mount files from some other Unix over the
10781da177e4SLinus Torvalds	  network using NFS, you don't need the System V file system support
10791da177e4SLinus Torvalds	  (but you need NFS file system support obviously).
10801da177e4SLinus Torvalds
10811da177e4SLinus Torvalds	  Note that this option is generally not needed for floppies, since a
10821da177e4SLinus Torvalds	  good portable way to transport files and directories between unixes
10831da177e4SLinus Torvalds	  (and even other operating systems) is given by the tar program ("man
10841da177e4SLinus Torvalds	  tar" or preferably "info tar").  Note also that this option has
10851da177e4SLinus Torvalds	  nothing whatsoever to do with the option "System V IPC". Read about
10861da177e4SLinus Torvalds	  the System V file system in
10871da177e4SLinus Torvalds	  <file:Documentation/filesystems/sysv-fs.txt>.
10881da177e4SLinus Torvalds	  Saying Y here will enlarge your kernel by about 27 KB.
10891da177e4SLinus Torvalds
10901da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
10911da177e4SLinus Torvalds	  sysv.
10921da177e4SLinus Torvalds
10931da177e4SLinus Torvalds	  If you haven't heard about all of this before, it's safe to say N.
10941da177e4SLinus Torvalds
10951da177e4SLinus Torvalds
10961da177e4SLinus Torvaldsconfig UFS_FS
10971da177e4SLinus Torvalds	tristate "UFS file system support (read only)"
10989361401eSDavid Howells	depends on BLOCK
10991da177e4SLinus Torvalds	help
11001da177e4SLinus Torvalds	  BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD,
11011da177e4SLinus Torvalds	  OpenBSD and NeXTstep) use a file system called UFS. Some System V
11021da177e4SLinus Torvalds	  Unixes can create and mount hard disk partitions and diskettes using
11031da177e4SLinus Torvalds	  this file system as well. Saying Y here will allow you to read from
11041da177e4SLinus Torvalds	  these partitions; if you also want to write to them, say Y to the
11051da177e4SLinus Torvalds	  experimental "UFS file system write support", below. Please read the
11061da177e4SLinus Torvalds	  file <file:Documentation/filesystems/ufs.txt> for more information.
11071da177e4SLinus Torvalds
11081da177e4SLinus Torvalds          The recently released UFS2 variant (used in FreeBSD 5.x) is
11091da177e4SLinus Torvalds          READ-ONLY supported.
11101da177e4SLinus Torvalds
11111da177e4SLinus Torvalds	  Note that this option is generally not needed for floppies, since a
11121da177e4SLinus Torvalds	  good portable way to transport files and directories between unixes
11131da177e4SLinus Torvalds	  (and even other operating systems) is given by the tar program ("man
11141da177e4SLinus Torvalds	  tar" or preferably "info tar").
11151da177e4SLinus Torvalds
11161da177e4SLinus Torvalds	  When accessing NeXTstep files, you may need to convert them from the
11171da177e4SLinus Torvalds	  NeXT character set to the Latin1 character set; use the program
11181da177e4SLinus Torvalds	  recode ("info recode") for this purpose.
11191da177e4SLinus Torvalds
11201da177e4SLinus Torvalds	  To compile the UFS file system support as a module, choose M here: the
11211da177e4SLinus Torvalds	  module will be called ufs.
11221da177e4SLinus Torvalds
11231da177e4SLinus Torvalds	  If you haven't heard about all of this before, it's safe to say N.
11241da177e4SLinus Torvalds
11251da177e4SLinus Torvaldsconfig UFS_FS_WRITE
11261da177e4SLinus Torvalds	bool "UFS file system write support (DANGEROUS)"
11275afb3145SEvgeniy Dushistov	depends on UFS_FS && EXPERIMENTAL
11281da177e4SLinus Torvalds	help
11291da177e4SLinus Torvalds	  Say Y here if you want to try writing to UFS partitions. This is
11301da177e4SLinus Torvalds	  experimental, so you should back up your UFS partitions beforehand.
11311da177e4SLinus Torvalds
1132abf5d15fSEvgeniy Dushistovconfig UFS_DEBUG
1133abf5d15fSEvgeniy Dushistov	bool "UFS debugging"
1134abf5d15fSEvgeniy Dushistov	depends on UFS_FS
1135abf5d15fSEvgeniy Dushistov	help
1136abf5d15fSEvgeniy Dushistov	  If you are experiencing any problems with the UFS filesystem, say
1137abf5d15fSEvgeniy Dushistov	  Y here.  This will result in _many_ additional debugging messages to be
1138abf5d15fSEvgeniy Dushistov	  written to the system log.
1139abf5d15fSEvgeniy Dushistov
11401da177e4SLinus Torvaldsendmenu
11411da177e4SLinus Torvalds
1142ea0985adSJan Engelhardtmenuconfig NETWORK_FILESYSTEMS
1143ea0985adSJan Engelhardt	bool "Network File Systems"
1144ea0985adSJan Engelhardt	default y
11451da177e4SLinus Torvalds	depends on NET
1146ea0985adSJan Engelhardt	---help---
1147ea0985adSJan Engelhardt	  Say Y here to get to see options for network filesystems and
1148ea0985adSJan Engelhardt	  filesystem-related networking code, such as NFS daemon and
1149ea0985adSJan Engelhardt	  RPCSEC security modules.
11506fb1bc10SChuck Lever
1151ea0985adSJan Engelhardt	  This option alone does not add any kernel code.
1152ea0985adSJan Engelhardt
1153ea0985adSJan Engelhardt	  If you say N, all options in this submenu will be skipped and
1154ea0985adSJan Engelhardt	  disabled; if unsure, say Y here.
1155ea0985adSJan Engelhardt
1156ea0985adSJan Engelhardtif NETWORK_FILESYSTEMS
11571da177e4SLinus Torvalds
11581da177e4SLinus Torvaldsconfig NFS_FS
11596fb1bc10SChuck Lever	tristate "NFS client support"
11601da177e4SLinus Torvalds	depends on INET
11611da177e4SLinus Torvalds	select LOCKD
11621da177e4SLinus Torvalds	select SUNRPC
1163b7fa0554SAndreas Gruenbacher	select NFS_ACL_SUPPORT if NFS_V3_ACL
11641da177e4SLinus Torvalds	help
11656fb1bc10SChuck Lever	  Choose Y here if you want to access files residing on other
11666fb1bc10SChuck Lever	  computers using Sun's Network File System protocol.  To compile
11676fb1bc10SChuck Lever	  this file system support as a module, choose M here: the module
11686fb1bc10SChuck Lever	  will be called nfs.
11691da177e4SLinus Torvalds
11706fb1bc10SChuck Lever	  To mount file systems exported by NFS servers, you also need to
11716fb1bc10SChuck Lever	  install the user space mount.nfs command which can be found in
11726fb1bc10SChuck Lever	  the Linux nfs-utils package, available from http://linux-nfs.org/.
11736fb1bc10SChuck Lever	  Information about using the mount command is available in the
11746fb1bc10SChuck Lever	  mount(8) man page.  More detail about the Linux NFS client
11756fb1bc10SChuck Lever	  implementation is available via the nfs(5) man page.
11761da177e4SLinus Torvalds
11776fb1bc10SChuck Lever	  Below you can choose which versions of the NFS protocol are
11786fb1bc10SChuck Lever	  available in the kernel to mount NFS servers.  Support for NFS
11796fb1bc10SChuck Lever	  version 2 (RFC 1094) is always available when NFS_FS is selected.
11801da177e4SLinus Torvalds
11816fb1bc10SChuck Lever	  To configure a system which mounts its root file system via NFS
11826fb1bc10SChuck Lever	  at boot time, say Y here, select "Kernel level IP
11836fb1bc10SChuck Lever	  autoconfiguration" in the NETWORK menu, and select "Root file
11846fb1bc10SChuck Lever	  system on NFS" below.  You cannot compile this file system as a
11856fb1bc10SChuck Lever	  module in this case.
11861da177e4SLinus Torvalds
11876fb1bc10SChuck Lever	  If unsure, say N.
11881da177e4SLinus Torvalds
11891da177e4SLinus Torvaldsconfig NFS_V3
11906fb1bc10SChuck Lever	bool "NFS client support for NFS version 3"
11911da177e4SLinus Torvalds	depends on NFS_FS
11921da177e4SLinus Torvalds	help
11936fb1bc10SChuck Lever	  This option enables support for version 3 of the NFS protocol
11946fb1bc10SChuck Lever	  (RFC 1813) in the kernel's NFS client.
11951da177e4SLinus Torvalds
11961da177e4SLinus Torvalds	  If unsure, say Y.
11971da177e4SLinus Torvalds
1198b7fa0554SAndreas Gruenbacherconfig NFS_V3_ACL
11996fb1bc10SChuck Lever	bool "NFS client support for the NFSv3 ACL protocol extension"
1200b7fa0554SAndreas Gruenbacher	depends on NFS_V3
1201b7fa0554SAndreas Gruenbacher	help
12026fb1bc10SChuck Lever	  Some NFS servers support an auxiliary NFSv3 ACL protocol that
12036fb1bc10SChuck Lever	  Sun added to Solaris but never became an official part of the
12046fb1bc10SChuck Lever	  NFS version 3 protocol.  This protocol extension allows
12056fb1bc10SChuck Lever	  applications on NFS clients to manipulate POSIX Access Control
12066fb1bc10SChuck Lever	  Lists on files residing on NFS servers.  NFS servers enforce
12076fb1bc10SChuck Lever	  ACLs on local files whether this protocol is available or not.
12086fb1bc10SChuck Lever
12096fb1bc10SChuck Lever	  Choose Y here if your NFS server supports the Solaris NFSv3 ACL
12106fb1bc10SChuck Lever	  protocol extension and you want your NFS client to allow
12116fb1bc10SChuck Lever	  applications to access and modify ACLs on files on the server.
12126fb1bc10SChuck Lever
12136fb1bc10SChuck Lever	  Most NFS servers don't support the Solaris NFSv3 ACL protocol
12146fb1bc10SChuck Lever	  extension.  You can choose N here or specify the "noacl" mount
12156fb1bc10SChuck Lever	  option to prevent your NFS client from trying to use the NFSv3
12166fb1bc10SChuck Lever	  ACL protocol.
1217b7fa0554SAndreas Gruenbacher
1218b7fa0554SAndreas Gruenbacher	  If unsure, say N.
1219b7fa0554SAndreas Gruenbacher
12201da177e4SLinus Torvaldsconfig NFS_V4
12216fb1bc10SChuck Lever	bool "NFS client support for NFS version 4 (EXPERIMENTAL)"
12221da177e4SLinus Torvalds	depends on NFS_FS && EXPERIMENTAL
12231da177e4SLinus Torvalds	select RPCSEC_GSS_KRB5
12241da177e4SLinus Torvalds	help
12256fb1bc10SChuck Lever	  This option enables support for version 4 of the NFS protocol
12266fb1bc10SChuck Lever	  (RFC 3530) in the kernel's NFS client.
12271da177e4SLinus Torvalds
12286fb1bc10SChuck Lever	  To mount NFS servers using NFSv4, you also need to install user
12296fb1bc10SChuck Lever	  space programs which can be found in the Linux nfs-utils package,
12306fb1bc10SChuck Lever	  available from http://linux-nfs.org/.
12311da177e4SLinus Torvalds
12321da177e4SLinus Torvalds	  If unsure, say N.
12331da177e4SLinus Torvalds
12346fb1bc10SChuck Leverconfig ROOT_NFS
12356fb1bc10SChuck Lever	bool "Root file system on NFS"
12366fb1bc10SChuck Lever	depends on NFS_FS=y && IP_PNP
12376fb1bc10SChuck Lever	help
12386fb1bc10SChuck Lever	  If you want your system to mount its root file system via NFS,
12396fb1bc10SChuck Lever	  choose Y here.  This is common practice for managing systems
12406fb1bc10SChuck Lever	  without local permanent storage.  For details, read
12416fb1bc10SChuck Lever	  <file:Documentation/filesystems/nfsroot.txt>.
12426fb1bc10SChuck Lever
12436fb1bc10SChuck Lever	  Most people say N here.
12446fb1bc10SChuck Lever
12451da177e4SLinus Torvaldsconfig NFSD
12461da177e4SLinus Torvalds	tristate "NFS server support"
12471da177e4SLinus Torvalds	depends on INET
12481da177e4SLinus Torvalds	select LOCKD
12491da177e4SLinus Torvalds	select SUNRPC
12501da177e4SLinus Torvalds	select EXPORTFS
1251f05e15b5SHerbert Xu	select NFS_ACL_SUPPORT if NFSD_V2_ACL
12521da177e4SLinus Torvalds	help
1253d24455b5SChuck Lever	  Choose Y here if you want to allow other computers to access
1254d24455b5SChuck Lever	  files residing on this system using Sun's Network File System
1255d24455b5SChuck Lever	  protocol.  To compile the NFS server support as a module,
1256d24455b5SChuck Lever	  choose M here: the module will be called nfsd.
12571da177e4SLinus Torvalds
1258d24455b5SChuck Lever	  You may choose to use a user-space NFS server instead, in which
1259d24455b5SChuck Lever	  case you can choose N here.
12601da177e4SLinus Torvalds
1261d24455b5SChuck Lever	  To export local file systems using NFS, you also need to install
1262d24455b5SChuck Lever	  user space programs which can be found in the Linux nfs-utils
1263d24455b5SChuck Lever	  package, available from http://linux-nfs.org/.  More detail about
1264d24455b5SChuck Lever	  the Linux NFS server implementation is available via the
1265d24455b5SChuck Lever	  exports(5) man page.
12661da177e4SLinus Torvalds
1267d24455b5SChuck Lever	  Below you can choose which versions of the NFS protocol are
1268d24455b5SChuck Lever	  available to clients mounting the NFS server on this system.
1269d24455b5SChuck Lever	  Support for NFS version 2 (RFC 1094) is always available when
1270d24455b5SChuck Lever	  CONFIG_NFSD is selected.
12711da177e4SLinus Torvalds
1272d24455b5SChuck Lever	  If unsure, say N.
12731da177e4SLinus Torvalds
1274a257cdd0SAndreas Gruenbacherconfig NFSD_V2_ACL
1275a257cdd0SAndreas Gruenbacher	bool
1276a257cdd0SAndreas Gruenbacher	depends on NFSD
1277a257cdd0SAndreas Gruenbacher
12781da177e4SLinus Torvaldsconfig NFSD_V3
1279d24455b5SChuck Lever	bool "NFS server support for NFS version 3"
12801da177e4SLinus Torvalds	depends on NFSD
12811da177e4SLinus Torvalds	help
1282d24455b5SChuck Lever	  This option enables support in your system's NFS server for
1283d24455b5SChuck Lever	  version 3 of the NFS protocol (RFC 1813).
1284d24455b5SChuck Lever
1285d24455b5SChuck Lever	  If unsure, say Y.
12861da177e4SLinus Torvalds
1287a257cdd0SAndreas Gruenbacherconfig NFSD_V3_ACL
1288d24455b5SChuck Lever	bool "NFS server support for the NFSv3 ACL protocol extension"
1289a257cdd0SAndreas Gruenbacher	depends on NFSD_V3
129078dd0992SChuck Lever	select NFSD_V2_ACL
1291a257cdd0SAndreas Gruenbacher	help
1292d24455b5SChuck Lever	  Solaris NFS servers support an auxiliary NFSv3 ACL protocol that
1293d24455b5SChuck Lever	  never became an official part of the NFS version 3 protocol.
1294d24455b5SChuck Lever	  This protocol extension allows applications on NFS clients to
1295d24455b5SChuck Lever	  manipulate POSIX Access Control Lists on files residing on NFS
1296d24455b5SChuck Lever	  servers.  NFS servers enforce POSIX ACLs on local files whether
1297d24455b5SChuck Lever	  this protocol is available or not.
1298d24455b5SChuck Lever
1299d24455b5SChuck Lever	  This option enables support in your system's NFS server for the
1300d24455b5SChuck Lever	  NFSv3 ACL protocol extension allowing NFS clients to manipulate
1301d24455b5SChuck Lever	  POSIX ACLs on files exported by your system's NFS server.  NFS
1302d24455b5SChuck Lever	  clients which support the Solaris NFSv3 ACL protocol can then
1303d24455b5SChuck Lever	  access and modify ACLs on your NFS server.
1304d24455b5SChuck Lever
1305d24455b5SChuck Lever	  To store ACLs on your NFS server, you also need to enable ACL-
1306d24455b5SChuck Lever	  related CONFIG options for your local file systems of choice.
1307d24455b5SChuck Lever
1308d24455b5SChuck Lever	  If unsure, say N.
1309a257cdd0SAndreas Gruenbacher
13101da177e4SLinus Torvaldsconfig NFSD_V4
1311d24455b5SChuck Lever	bool "NFS server support for NFS version 4 (EXPERIMENTAL)"
13121a448fdbSChuck Lever	depends on NFSD && PROC_FS && EXPERIMENTAL
13131a448fdbSChuck Lever	select NFSD_V3
131489206955SChuck Lever	select FS_POSIX_ACL
131542ed95c4SJ. Bruce Fields	select RPCSEC_GSS_KRB5
13161da177e4SLinus Torvalds	help
1317d24455b5SChuck Lever	  This option enables support in your system's NFS server for
1318d24455b5SChuck Lever	  version 4 of the NFS protocol (RFC 3530).
1319d24455b5SChuck Lever
1320d24455b5SChuck Lever	  To export files using NFSv4, you need to install additional user
1321d24455b5SChuck Lever	  space programs which can be found in the Linux nfs-utils package,
1322d24455b5SChuck Lever	  available from http://linux-nfs.org/.
1323d24455b5SChuck Lever
13241da177e4SLinus Torvalds	  If unsure, say N.
13251da177e4SLinus Torvalds
13261da177e4SLinus Torvaldsconfig LOCKD
13271da177e4SLinus Torvalds	tristate
13281da177e4SLinus Torvalds
13291da177e4SLinus Torvaldsconfig LOCKD_V4
13301da177e4SLinus Torvalds	bool
13311da177e4SLinus Torvalds	depends on NFSD_V3 || NFS_V3
13321da177e4SLinus Torvalds	default y
13331da177e4SLinus Torvalds
13341da177e4SLinus Torvaldsconfig EXPORTFS
13351da177e4SLinus Torvalds	tristate
13361da177e4SLinus Torvalds
1337a257cdd0SAndreas Gruenbacherconfig NFS_ACL_SUPPORT
1338a257cdd0SAndreas Gruenbacher	tristate
1339a257cdd0SAndreas Gruenbacher	select FS_POSIX_ACL
1340a257cdd0SAndreas Gruenbacher
1341a257cdd0SAndreas Gruenbacherconfig NFS_COMMON
1342a257cdd0SAndreas Gruenbacher	bool
1343a257cdd0SAndreas Gruenbacher	depends on NFSD || NFS_FS
1344a257cdd0SAndreas Gruenbacher	default y
1345a257cdd0SAndreas Gruenbacher
13461da177e4SLinus Torvaldsconfig SUNRPC
13471da177e4SLinus Torvalds	tristate
13481da177e4SLinus Torvalds
13491da177e4SLinus Torvaldsconfig SUNRPC_GSS
13501da177e4SLinus Torvalds	tristate
13511da177e4SLinus Torvalds
1352c3a57ed7S\"Talpey, Thomas\config SUNRPC_XPRT_RDMA
13533211e4ebSJames Lentini	tristate
1354113632d0S\"Talpey, Thomas\	depends on SUNRPC && INFINIBAND && EXPERIMENTAL
13553211e4ebSJames Lentini	default SUNRPC && INFINIBAND
1356327a299dSChuck Lever	help
1357327a299dSChuck Lever	  This option enables an RPC client transport capability that
1358327a299dSChuck Lever	  allows the NFS client to mount servers via an RDMA-enabled
1359327a299dSChuck Lever	  transport.
1360327a299dSChuck Lever
1361327a299dSChuck Lever	  To compile RPC client RDMA transport support as a module,
1362327a299dSChuck Lever	  choose M here: the module will be called xprtrdma.
1363327a299dSChuck Lever
1364327a299dSChuck Lever	  If unsure, say N.
1365c3a57ed7S\"Talpey, Thomas\
1366a26cfad6SChuck Leverconfig SUNRPC_REGISTER_V4
1367a26cfad6SChuck Lever	bool "Register local RPC services via rpcbind v4 (EXPERIMENTAL)"
1368a26cfad6SChuck Lever	depends on SUNRPC && EXPERIMENTAL
1369a26cfad6SChuck Lever	default n
1370a26cfad6SChuck Lever	help
1371a26cfad6SChuck Lever	  Sun added support for registering RPC services at an IPv6
1372a26cfad6SChuck Lever	  address by creating two new versions of the rpcbind protocol
1373a26cfad6SChuck Lever	  (RFC 1833).
1374a26cfad6SChuck Lever
1375a26cfad6SChuck Lever	  This option enables support in the kernel RPC server for
1376a26cfad6SChuck Lever	  registering kernel RPC services via version 4 of the rpcbind
1377a26cfad6SChuck Lever	  protocol.  If you enable this option, you must run a portmapper
1378a26cfad6SChuck Lever	  daemon that supports rpcbind protocol version 4.
1379a26cfad6SChuck Lever
1380a26cfad6SChuck Lever	  Serving NFS over IPv6 from knfsd (the kernel's NFS server)
1381a26cfad6SChuck Lever	  requires that you enable this option and use a portmapper that
1382a26cfad6SChuck Lever	  supports rpcbind version 4.
1383a26cfad6SChuck Lever
1384a26cfad6SChuck Lever	  If unsure, say N to get traditional behavior (register kernel
1385a26cfad6SChuck Lever	  RPC services using only rpcbind version 2).  Distributions
1386a26cfad6SChuck Lever	  using the legacy Linux portmapper daemon must say N here.
1387a26cfad6SChuck Lever
13881da177e4SLinus Torvaldsconfig RPCSEC_GSS_KRB5
13891da177e4SLinus Torvalds	tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)"
13901da177e4SLinus Torvalds	depends on SUNRPC && EXPERIMENTAL
13911da177e4SLinus Torvalds	select SUNRPC_GSS
13921da177e4SLinus Torvalds	select CRYPTO
13931da177e4SLinus Torvalds	select CRYPTO_MD5
13941da177e4SLinus Torvalds	select CRYPTO_DES
1395bcbaecbbSPatrick McHardy	select CRYPTO_CBC
13961da177e4SLinus Torvalds	help
1397327a299dSChuck Lever	  Choose Y here to enable Secure RPC using the Kerberos version 5
1398327a299dSChuck Lever	  GSS-API mechanism (RFC 1964).
13991da177e4SLinus Torvalds
1400327a299dSChuck Lever	  Secure RPC calls with Kerberos require an auxiliary user-space
1401327a299dSChuck Lever	  daemon which may be found in the Linux nfs-utils package
1402327a299dSChuck Lever	  available from http://linux-nfs.org/.  In addition, user-space
1403327a299dSChuck Lever	  Kerberos support should be installed.
14041da177e4SLinus Torvalds
14051da177e4SLinus Torvalds	  If unsure, say N.
14061da177e4SLinus Torvalds
14071da177e4SLinus Torvaldsconfig RPCSEC_GSS_SPKM3
14081da177e4SLinus Torvalds	tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)"
14091da177e4SLinus Torvalds	depends on SUNRPC && EXPERIMENTAL
14101da177e4SLinus Torvalds	select SUNRPC_GSS
14111da177e4SLinus Torvalds	select CRYPTO
14121da177e4SLinus Torvalds	select CRYPTO_MD5
14131da177e4SLinus Torvalds	select CRYPTO_DES
1414df6db302SJ. Bruce Fields	select CRYPTO_CAST5
1415bcbaecbbSPatrick McHardy	select CRYPTO_CBC
14161da177e4SLinus Torvalds	help
1417327a299dSChuck Lever	  Choose Y here to enable Secure RPC using the SPKM3 public key
1418327a299dSChuck Lever	  GSS-API mechansim (RFC 2025).
14191da177e4SLinus Torvalds
1420327a299dSChuck Lever	  Secure RPC calls with SPKM3 require an auxiliary userspace
1421327a299dSChuck Lever	  daemon which may be found in the Linux nfs-utils package
1422327a299dSChuck Lever	  available from http://linux-nfs.org/.
14231da177e4SLinus Torvalds
14241da177e4SLinus Torvalds	  If unsure, say N.
14251da177e4SLinus Torvalds
14261da177e4SLinus Torvaldsconfig SMB_FS
1427c7736339SAndrew Morton	tristate "SMB file system support (OBSOLETE, please use CIFS)"
14281da177e4SLinus Torvalds	depends on INET
14291da177e4SLinus Torvalds	select NLS
14301da177e4SLinus Torvalds	help
14311da177e4SLinus Torvalds	  SMB (Server Message Block) is the protocol Windows for Workgroups
14321da177e4SLinus Torvalds	  (WfW), Windows 95/98, Windows NT and OS/2 Lan Manager use to share
14331da177e4SLinus Torvalds	  files and printers over local networks.  Saying Y here allows you to
14341da177e4SLinus Torvalds	  mount their file systems (often called "shares" in this context) and
14351da177e4SLinus Torvalds	  access them just like any other Unix directory.  Currently, this
14361da177e4SLinus Torvalds	  works only if the Windows machines use TCP/IP as the underlying
14371da177e4SLinus Torvalds	  transport protocol, and not NetBEUI.  For details, read
14381da177e4SLinus Torvalds	  <file:Documentation/filesystems/smbfs.txt> and the SMB-HOWTO,
14391da177e4SLinus Torvalds	  available from <http://www.tldp.org/docs.html#howto>.
14401da177e4SLinus Torvalds
14411da177e4SLinus Torvalds	  Note: if you just want your box to act as an SMB *server* and make
14421da177e4SLinus Torvalds	  files and printing services available to Windows clients (which need
14431da177e4SLinus Torvalds	  to have a TCP/IP stack), you don't need to say Y here; you can use
14441da177e4SLinus Torvalds	  the program SAMBA (available from <ftp://ftp.samba.org/pub/samba/>)
14451da177e4SLinus Torvalds	  for that.
14461da177e4SLinus Torvalds
14471da177e4SLinus Torvalds	  General information about how to connect Linux, Windows machines and
14481da177e4SLinus Torvalds	  Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>.
14491da177e4SLinus Torvalds
1450c7736339SAndrew Morton	  To compile the SMB support as a module, choose M here:
1451c7736339SAndrew Morton	  the module will be called smbfs.  Most people say N, however.
14521da177e4SLinus Torvalds
14531da177e4SLinus Torvaldsconfig SMB_NLS_DEFAULT
14541da177e4SLinus Torvalds	bool "Use a default NLS"
14551da177e4SLinus Torvalds	depends on SMB_FS
14561da177e4SLinus Torvalds	help
14571da177e4SLinus Torvalds	  Enabling this will make smbfs use nls translations by default. You
14581da177e4SLinus Torvalds	  need to specify the local charset (CONFIG_NLS_DEFAULT) in the nls
14591da177e4SLinus Torvalds	  settings and you need to give the default nls for the SMB server as
14601da177e4SLinus Torvalds	  CONFIG_SMB_NLS_REMOTE.
14611da177e4SLinus Torvalds
14621da177e4SLinus Torvalds	  The nls settings can be changed at mount time, if your smbmount
14631da177e4SLinus Torvalds	  supports that, using the codepage and iocharset parameters.
14641da177e4SLinus Torvalds
14651da177e4SLinus Torvalds	  smbmount from samba 2.2.0 or later supports this.
14661da177e4SLinus Torvalds
14671da177e4SLinus Torvaldsconfig SMB_NLS_REMOTE
14681da177e4SLinus Torvalds	string "Default Remote NLS Option"
14691da177e4SLinus Torvalds	depends on SMB_NLS_DEFAULT
14701da177e4SLinus Torvalds	default "cp437"
14711da177e4SLinus Torvalds	help
14721da177e4SLinus Torvalds	  This setting allows you to specify a default value for which
14731da177e4SLinus Torvalds	  codepage the server uses. If this field is left blank no
14741da177e4SLinus Torvalds	  translations will be done by default. The local codepage/charset
14751da177e4SLinus Torvalds	  default to CONFIG_NLS_DEFAULT.
14761da177e4SLinus Torvalds
14771da177e4SLinus Torvalds	  The nls settings can be changed at mount time, if your smbmount
14781da177e4SLinus Torvalds	  supports that, using the codepage and iocharset parameters.
14791da177e4SLinus Torvalds
14801da177e4SLinus Torvalds	  smbmount from samba 2.2.0 or later supports this.
14811da177e4SLinus Torvalds
1482bb26b963SAlexey Dobriyansource "fs/cifs/Kconfig"
14836103335dSSteve French
14841da177e4SLinus Torvaldsconfig NCP_FS
14851da177e4SLinus Torvalds	tristate "NCP file system support (to mount NetWare volumes)"
14861da177e4SLinus Torvalds	depends on IPX!=n || INET
14871da177e4SLinus Torvalds	help
14881da177e4SLinus Torvalds	  NCP (NetWare Core Protocol) is a protocol that runs over IPX and is
14891da177e4SLinus Torvalds	  used by Novell NetWare clients to talk to file servers.  It is to
14901da177e4SLinus Torvalds	  IPX what NFS is to TCP/IP, if that helps.  Saying Y here allows you
14911da177e4SLinus Torvalds	  to mount NetWare file server volumes and to access them just like
14921da177e4SLinus Torvalds	  any other Unix directory.  For details, please read the file
14931da177e4SLinus Torvalds	  <file:Documentation/filesystems/ncpfs.txt> in the kernel source and
14941da177e4SLinus Torvalds	  the IPX-HOWTO from <http://www.tldp.org/docs.html#howto>.
14951da177e4SLinus Torvalds
14961da177e4SLinus Torvalds	  You do not have to say Y here if you want your Linux box to act as a
14971da177e4SLinus Torvalds	  file *server* for Novell NetWare clients.
14981da177e4SLinus Torvalds
14991da177e4SLinus Torvalds	  General information about how to connect Linux, Windows machines and
15001da177e4SLinus Torvalds	  Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>.
15011da177e4SLinus Torvalds
15021da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
15031da177e4SLinus Torvalds	  ncpfs.  Say N unless you are connected to a Novell network.
15041da177e4SLinus Torvalds
15051da177e4SLinus Torvaldssource "fs/ncpfs/Kconfig"
15061da177e4SLinus Torvalds
15071da177e4SLinus Torvaldsconfig CODA_FS
15081da177e4SLinus Torvalds	tristate "Coda file system support (advanced network fs)"
15091da177e4SLinus Torvalds	depends on INET
15101da177e4SLinus Torvalds	help
15111da177e4SLinus Torvalds	  Coda is an advanced network file system, similar to NFS in that it
15121da177e4SLinus Torvalds	  enables you to mount file systems of a remote server and access them
15131da177e4SLinus Torvalds	  with regular Unix commands as if they were sitting on your hard
15141da177e4SLinus Torvalds	  disk.  Coda has several advantages over NFS: support for
15151da177e4SLinus Torvalds	  disconnected operation (e.g. for laptops), read/write server
15161da177e4SLinus Torvalds	  replication, security model for authentication and encryption,
15171da177e4SLinus Torvalds	  persistent client caches and write back caching.
15181da177e4SLinus Torvalds
15191da177e4SLinus Torvalds	  If you say Y here, your Linux box will be able to act as a Coda
15201da177e4SLinus Torvalds	  *client*.  You will need user level code as well, both for the
15211da177e4SLinus Torvalds	  client and server.  Servers are currently user level, i.e. they need
15221da177e4SLinus Torvalds	  no kernel support.  Please read
15231da177e4SLinus Torvalds	  <file:Documentation/filesystems/coda.txt> and check out the Coda
15241da177e4SLinus Torvalds	  home page <http://www.coda.cs.cmu.edu/>.
15251da177e4SLinus Torvalds
15261da177e4SLinus Torvalds	  To compile the coda client support as a module, choose M here: the
15271da177e4SLinus Torvalds	  module will be called coda.
15281da177e4SLinus Torvalds
15291da177e4SLinus Torvaldsconfig AFS_FS
153064aaa4f8SDavid Howells	tristate "Andrew File System support (AFS) (EXPERIMENTAL)"
15311da177e4SLinus Torvalds	depends on INET && EXPERIMENTAL
153208e0e7c8SDavid Howells	select AF_RXRPC
15331da177e4SLinus Torvalds	help
15341da177e4SLinus Torvalds	  If you say Y here, you will get an experimental Andrew File System
15351da177e4SLinus Torvalds	  driver. It currently only supports unsecured read-only AFS access.
15361da177e4SLinus Torvalds
1537cc2e2767SMatt LaPlante	  See <file:Documentation/filesystems/afs.txt> for more information.
15381da177e4SLinus Torvalds
15391da177e4SLinus Torvalds	  If unsure, say N.
15401da177e4SLinus Torvalds
154108e0e7c8SDavid Howellsconfig AFS_DEBUG
154208e0e7c8SDavid Howells	bool "AFS dynamic debugging"
154308e0e7c8SDavid Howells	depends on AFS_FS
154408e0e7c8SDavid Howells	help
154508e0e7c8SDavid Howells	  Say Y here to make runtime controllable debugging messages appear.
154608e0e7c8SDavid Howells
154708e0e7c8SDavid Howells	  See <file:Documentation/filesystems/afs.txt> for more information.
154808e0e7c8SDavid Howells
154908e0e7c8SDavid Howells	  If unsure, say N.
155008e0e7c8SDavid Howells
155193fa58cbSEric Van Hensbergenconfig 9P_FS
155293fa58cbSEric Van Hensbergen	tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)"
1553bd238fb4SLatchesar Ionkov	depends on INET && NET_9P && EXPERIMENTAL
155493fa58cbSEric Van Hensbergen	help
155593fa58cbSEric Van Hensbergen	  If you say Y here, you will get experimental support for
155693fa58cbSEric Van Hensbergen	  Plan 9 resource sharing via the 9P2000 protocol.
155793fa58cbSEric Van Hensbergen
155893fa58cbSEric Van Hensbergen	  See <http://v9fs.sf.net> for more information.
155993fa58cbSEric Van Hensbergen
156093fa58cbSEric Van Hensbergen	  If unsure, say N.
156193fa58cbSEric Van Hensbergen
1562ea0985adSJan Engelhardtendif # NETWORK_FILESYSTEMS
15631da177e4SLinus Torvalds
15649361401eSDavid Howellsif BLOCK
15651da177e4SLinus Torvaldsmenu "Partition Types"
15661da177e4SLinus Torvalds
15671da177e4SLinus Torvaldssource "fs/partitions/Kconfig"
15681da177e4SLinus Torvalds
15691da177e4SLinus Torvaldsendmenu
15709361401eSDavid Howellsendif
15711da177e4SLinus Torvalds
15721da177e4SLinus Torvaldssource "fs/nls/Kconfig"
1573e7fd4179SDavid Teiglandsource "fs/dlm/Kconfig"
15741da177e4SLinus Torvalds
15751da177e4SLinus Torvaldsendmenu
1576