xref: /linux/fs/Kconfig (revision 37194d0723b9b68b4b299b2564ca99e3d0a094c3)
11da177e4SLinus Torvalds#
21da177e4SLinus Torvalds# File system configuration
31da177e4SLinus Torvalds#
41da177e4SLinus Torvalds
51da177e4SLinus Torvaldsmenu "File systems"
61da177e4SLinus Torvalds
79361401eSDavid Howellsif BLOCK
89361401eSDavid Howells
91da177e4SLinus Torvaldsconfig EXT2_FS
101da177e4SLinus Torvalds	tristate "Second extended fs support"
111da177e4SLinus Torvalds	help
121da177e4SLinus Torvalds	  Ext2 is a standard Linux file system for hard disks.
131da177e4SLinus Torvalds
141da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
15d23edbd3SJan Engelhardt	  module will be called ext2.
161da177e4SLinus Torvalds
171da177e4SLinus Torvalds	  If unsure, say Y.
181da177e4SLinus Torvalds
191da177e4SLinus Torvaldsconfig EXT2_FS_XATTR
201da177e4SLinus Torvalds	bool "Ext2 extended attributes"
211da177e4SLinus Torvalds	depends on EXT2_FS
221da177e4SLinus Torvalds	help
231da177e4SLinus Torvalds	  Extended attributes are name:value pairs associated with inodes by
241da177e4SLinus Torvalds	  the kernel or by users (see the attr(5) manual page, or visit
251da177e4SLinus Torvalds	  <http://acl.bestbits.at/> for details).
261da177e4SLinus Torvalds
271da177e4SLinus Torvalds	  If unsure, say N.
281da177e4SLinus Torvalds
291da177e4SLinus Torvaldsconfig EXT2_FS_POSIX_ACL
301da177e4SLinus Torvalds	bool "Ext2 POSIX Access Control Lists"
311da177e4SLinus Torvalds	depends on EXT2_FS_XATTR
32b84c2157SAndreas Gruenbacher	select FS_POSIX_ACL
331da177e4SLinus Torvalds	help
341da177e4SLinus Torvalds	  Posix Access Control Lists (ACLs) support permissions for users and
351da177e4SLinus Torvalds	  groups beyond the owner/group/world scheme.
361da177e4SLinus Torvalds
371da177e4SLinus Torvalds	  To learn more about Access Control Lists, visit the Posix ACLs for
381da177e4SLinus Torvalds	  Linux website <http://acl.bestbits.at/>.
391da177e4SLinus Torvalds
401da177e4SLinus Torvalds	  If you don't know what Access Control Lists are, say N
411da177e4SLinus Torvalds
421da177e4SLinus Torvaldsconfig EXT2_FS_SECURITY
431da177e4SLinus Torvalds	bool "Ext2 Security Labels"
441da177e4SLinus Torvalds	depends on EXT2_FS_XATTR
451da177e4SLinus Torvalds	help
461da177e4SLinus Torvalds	  Security labels support alternative access control models
471da177e4SLinus Torvalds	  implemented by security modules like SELinux.  This option
481da177e4SLinus Torvalds	  enables an extended attribute handler for file security
491da177e4SLinus Torvalds	  labels in the ext2 filesystem.
501da177e4SLinus Torvalds
511da177e4SLinus Torvalds	  If you are not using a security module that requires using
521da177e4SLinus Torvalds	  extended attributes for file security labels, say N.
531da177e4SLinus Torvalds
546d79125bSCarsten Otteconfig EXT2_FS_XIP
556d79125bSCarsten Otte	bool "Ext2 execute in place support"
560c426f26SAl Viro	depends on EXT2_FS && MMU
576d79125bSCarsten Otte	help
586d79125bSCarsten Otte	  Execute in place can be used on memory-backed block devices. If you
596d79125bSCarsten Otte	  enable this option, you can select to mount block devices which are
606d79125bSCarsten Otte	  capable of this feature without using the page cache.
616d79125bSCarsten Otte
626d79125bSCarsten Otte	  If you do not use a block device that is capable of using this,
636d79125bSCarsten Otte	  or if unsure, say N.
646d79125bSCarsten Otte
656d79125bSCarsten Otteconfig FS_XIP
666d79125bSCarsten Otte# execute in place
676d79125bSCarsten Otte	bool
686d79125bSCarsten Otte	depends on EXT2_FS_XIP
696d79125bSCarsten Otte	default y
706d79125bSCarsten Otte
711da177e4SLinus Torvaldsconfig EXT3_FS
721da177e4SLinus Torvalds	tristate "Ext3 journalling file system support"
73b4e40a51SMark Fasheh	select JBD
741da177e4SLinus Torvalds	help
75cc2e2767SMatt LaPlante	  This is the journalling version of the Second extended file system
761da177e4SLinus Torvalds	  (often called ext3), the de facto standard Linux file system
771da177e4SLinus Torvalds	  (method to organize files on a storage device) for hard disks.
781da177e4SLinus Torvalds
79cc2e2767SMatt LaPlante	  The journalling code included in this driver means you do not have
801da177e4SLinus Torvalds	  to run e2fsck (file system checker) on your file systems after a
811da177e4SLinus Torvalds	  crash.  The journal keeps track of any changes that were being made
821da177e4SLinus Torvalds	  at the time the system crashed, and can ensure that your file system
831da177e4SLinus Torvalds	  is consistent without the need for a lengthy check.
841da177e4SLinus Torvalds
851da177e4SLinus Torvalds	  Other than adding the journal to the file system, the on-disk format
861da177e4SLinus Torvalds	  of ext3 is identical to ext2.  It is possible to freely switch
871da177e4SLinus Torvalds	  between using the ext3 driver and the ext2 driver, as long as the
881da177e4SLinus Torvalds	  file system has been cleanly unmounted, or e2fsck is run on the file
891da177e4SLinus Torvalds	  system.
901da177e4SLinus Torvalds
911da177e4SLinus Torvalds	  To add a journal on an existing ext2 file system or change the
921da177e4SLinus Torvalds	  behavior of ext3 file systems, you can use the tune2fs utility ("man
931da177e4SLinus Torvalds	  tune2fs").  To modify attributes of files and directories on ext3
941da177e4SLinus Torvalds	  file systems, use chattr ("man chattr").  You need to be using
951da177e4SLinus Torvalds	  e2fsprogs version 1.20 or later in order to create ext3 journals
961da177e4SLinus Torvalds	  (available at <http://sourceforge.net/projects/e2fsprogs/>).
971da177e4SLinus Torvalds
981da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
99d23edbd3SJan Engelhardt	  module will be called ext3.
1001da177e4SLinus Torvalds
1011da177e4SLinus Torvaldsconfig EXT3_FS_XATTR
1021da177e4SLinus Torvalds	bool "Ext3 extended attributes"
1031da177e4SLinus Torvalds	depends on EXT3_FS
1041da177e4SLinus Torvalds	default y
1051da177e4SLinus Torvalds	help
1061da177e4SLinus Torvalds	  Extended attributes are name:value pairs associated with inodes by
1071da177e4SLinus Torvalds	  the kernel or by users (see the attr(5) manual page, or visit
1081da177e4SLinus Torvalds	  <http://acl.bestbits.at/> for details).
1091da177e4SLinus Torvalds
1101da177e4SLinus Torvalds	  If unsure, say N.
1111da177e4SLinus Torvalds
1121da177e4SLinus Torvalds	  You need this for POSIX ACL support on ext3.
1131da177e4SLinus Torvalds
1141da177e4SLinus Torvaldsconfig EXT3_FS_POSIX_ACL
1151da177e4SLinus Torvalds	bool "Ext3 POSIX Access Control Lists"
1161da177e4SLinus Torvalds	depends on EXT3_FS_XATTR
117b84c2157SAndreas Gruenbacher	select FS_POSIX_ACL
1181da177e4SLinus Torvalds	help
1191da177e4SLinus Torvalds	  Posix Access Control Lists (ACLs) support permissions for users and
1201da177e4SLinus Torvalds	  groups beyond the owner/group/world scheme.
1211da177e4SLinus Torvalds
1221da177e4SLinus Torvalds	  To learn more about Access Control Lists, visit the Posix ACLs for
1231da177e4SLinus Torvalds	  Linux website <http://acl.bestbits.at/>.
1241da177e4SLinus Torvalds
1251da177e4SLinus Torvalds	  If you don't know what Access Control Lists are, say N
1261da177e4SLinus Torvalds
1271da177e4SLinus Torvaldsconfig EXT3_FS_SECURITY
1281da177e4SLinus Torvalds	bool "Ext3 Security Labels"
1291da177e4SLinus Torvalds	depends on EXT3_FS_XATTR
1301da177e4SLinus Torvalds	help
1311da177e4SLinus Torvalds	  Security labels support alternative access control models
1321da177e4SLinus Torvalds	  implemented by security modules like SELinux.  This option
1331da177e4SLinus Torvalds	  enables an extended attribute handler for file security
1341da177e4SLinus Torvalds	  labels in the ext3 filesystem.
1351da177e4SLinus Torvalds
1361da177e4SLinus Torvalds	  If you are not using a security module that requires using
1371da177e4SLinus Torvalds	  extended attributes for file security labels, say N.
1381da177e4SLinus Torvalds
13903010a33STheodore Ts'oconfig EXT4_FS
14003010a33STheodore Ts'o	tristate "The Extended 4 (ext4) filesystem"
141dab291afSMingming Cao	select JBD2
142717d50e4SAndreas Dilger	select CRC16
14302ea2104SMingming Cao	help
14403010a33STheodore Ts'o	  This is the next generation of the ext3 filesystem.
14502ea2104SMingming Cao
14602ea2104SMingming Cao	  Unlike the change from ext2 filesystem to ext3 filesystem,
14703010a33STheodore Ts'o	  the on-disk format of ext4 is not forwards compatible with
14803010a33STheodore Ts'o	  ext3; it is based on extent maps and it supports 48-bit
14903010a33STheodore Ts'o	  physical block numbers.  The ext4 filesystem also supports delayed
15003010a33STheodore Ts'o	  allocation, persistent preallocation, high resolution time stamps,
15103010a33STheodore Ts'o	  and a number of other features to improve performance and speed
15203010a33STheodore Ts'o	  up fsck time.  For more information, please see the web pages at
15303010a33STheodore Ts'o	  http://ext4.wiki.kernel.org.
15402ea2104SMingming Cao
15503010a33STheodore Ts'o	  The ext4 filesystem will support mounting an ext3
15603010a33STheodore Ts'o	  filesystem; while there will be some performance gains from
15703010a33STheodore Ts'o	  the delayed allocation and inode table readahead, the best
15803010a33STheodore Ts'o	  performance gains will require enabling ext4 features in the
15903010a33STheodore Ts'o	  filesystem, or formating a new filesystem as an ext4
16003010a33STheodore Ts'o	  filesystem initially.
16102ea2104SMingming Cao
16202ea2104SMingming Cao	  To compile this file system support as a module, choose M here. The
163d23edbd3SJan Engelhardt	  module will be called ext4dev.
16402ea2104SMingming Cao
16502ea2104SMingming Cao	  If unsure, say N.
16602ea2104SMingming Cao
16703010a33STheodore Ts'oconfig EXT4DEV_COMPAT
16803010a33STheodore Ts'o	bool "Enable ext4dev compatibility"
16903010a33STheodore Ts'o	depends on EXT4_FS
17003010a33STheodore Ts'o	help
17103010a33STheodore Ts'o	  Starting with 2.6.28, the name of the ext4 filesystem was
17203010a33STheodore Ts'o	  renamed from ext4dev to ext4.  Unfortunately there are some
173f319fb8bSJan Engelhardt	  legacy userspace programs (such as klibc's fstype) have
17403010a33STheodore Ts'o	  "ext4dev" hardcoded.
17503010a33STheodore Ts'o
17603010a33STheodore Ts'o	  To enable backwards compatibility so that systems that are
17703010a33STheodore Ts'o	  still expecting to mount ext4 filesystems using ext4dev,
17803010a33STheodore Ts'o	  chose Y here.   This feature will go away by 2.6.31, so
17903010a33STheodore Ts'o	  please arrange to get your userspace programs fixed!
18003010a33STheodore Ts'o
18103010a33STheodore Ts'oconfig EXT4_FS_XATTR
18203010a33STheodore Ts'o	bool "Ext4 extended attributes"
18303010a33STheodore Ts'o	depends on EXT4_FS
18402ea2104SMingming Cao	default y
18502ea2104SMingming Cao	help
18602ea2104SMingming Cao	  Extended attributes are name:value pairs associated with inodes by
18702ea2104SMingming Cao	  the kernel or by users (see the attr(5) manual page, or visit
18802ea2104SMingming Cao	  <http://acl.bestbits.at/> for details).
18902ea2104SMingming Cao
19002ea2104SMingming Cao	  If unsure, say N.
19102ea2104SMingming Cao
19203010a33STheodore Ts'o	  You need this for POSIX ACL support on ext4.
19302ea2104SMingming Cao
19403010a33STheodore Ts'oconfig EXT4_FS_POSIX_ACL
19503010a33STheodore Ts'o	bool "Ext4 POSIX Access Control Lists"
19603010a33STheodore Ts'o	depends on EXT4_FS_XATTR
19702ea2104SMingming Cao	select FS_POSIX_ACL
19802ea2104SMingming Cao	help
19902ea2104SMingming Cao	  POSIX Access Control Lists (ACLs) support permissions for users and
20002ea2104SMingming Cao	  groups beyond the owner/group/world scheme.
20102ea2104SMingming Cao
20202ea2104SMingming Cao	  To learn more about Access Control Lists, visit the POSIX ACLs for
20302ea2104SMingming Cao	  Linux website <http://acl.bestbits.at/>.
20402ea2104SMingming Cao
20502ea2104SMingming Cao	  If you don't know what Access Control Lists are, say N
20602ea2104SMingming Cao
20703010a33STheodore Ts'oconfig EXT4_FS_SECURITY
20803010a33STheodore Ts'o	bool "Ext4 Security Labels"
20903010a33STheodore Ts'o	depends on EXT4_FS_XATTR
21002ea2104SMingming Cao	help
21102ea2104SMingming Cao	  Security labels support alternative access control models
21202ea2104SMingming Cao	  implemented by security modules like SELinux.  This option
21302ea2104SMingming Cao	  enables an extended attribute handler for file security
21403010a33STheodore Ts'o	  labels in the ext4 filesystem.
21502ea2104SMingming Cao
21602ea2104SMingming Cao	  If you are not using a security module that requires using
21702ea2104SMingming Cao	  extended attributes for file security labels, say N.
21802ea2104SMingming Cao
2191da177e4SLinus Torvaldsconfig JBD
2201da177e4SLinus Torvalds	tristate
2211da177e4SLinus Torvalds	help
222cc2e2767SMatt LaPlante	  This is a generic journalling layer for block devices.  It is
2232b4e30fbSJoel Becker	  currently used by the ext3 file system, but it could also be
2242b4e30fbSJoel Becker	  used to add journal support to other file systems or block
225b4e40a51SMark Fasheh	  devices such as RAID or LVM.
2261da177e4SLinus Torvalds
2272b4e30fbSJoel Becker	  If you are using the ext3 file system, you need to say Y here.
2282b4e30fbSJoel Becker	  If you are not using ext3 then you will probably want to say N.
2291da177e4SLinus Torvalds
2301da177e4SLinus Torvalds	  To compile this device as a module, choose M here: the module will be
2312b4e30fbSJoel Becker	  called jbd.  If you are compiling ext3 into the kernel, you
2322b4e30fbSJoel Becker	  cannot compile this code as a module.
2331da177e4SLinus Torvalds
2341da177e4SLinus Torvaldsconfig JBD_DEBUG
2351da177e4SLinus Torvalds	bool "JBD (ext3) debugging support"
236c2a9159cSJose R. Santos	depends on JBD && DEBUG_FS
2371da177e4SLinus Torvalds	help
2381da177e4SLinus Torvalds	  If you are using the ext3 journaled file system (or potentially any
2391da177e4SLinus Torvalds	  other file system/device using JBD), this option allows you to
2401da177e4SLinus Torvalds	  enable debugging output while the system is running, in order to
2411da177e4SLinus Torvalds	  help track down any problems you are having.  By default the
2421da177e4SLinus Torvalds	  debugging output will be turned off.
2431da177e4SLinus Torvalds
2441da177e4SLinus Torvalds	  If you select Y here, then you will be able to turn on debugging
245c2a9159cSJose R. Santos	  with "echo N > /sys/kernel/debug/jbd/jbd-debug", where N is a
246c2a9159cSJose R. Santos	  number between 1 and 5, the higher the number, the more debugging
247c2a9159cSJose R. Santos	  output is generated.  To turn debugging off again, do
248c2a9159cSJose R. Santos	  "echo 0 > /sys/kernel/debug/jbd/jbd-debug".
2491da177e4SLinus Torvalds
250dab291afSMingming Caoconfig JBD2
251dab291afSMingming Cao	tristate
252818d276cSGirish Shilamkar	select CRC32
253dab291afSMingming Cao	help
254dab291afSMingming Cao	  This is a generic journaling layer for block devices that support
255dab291afSMingming Cao	  both 32-bit and 64-bit block numbers.  It is currently used by
2562b4e30fbSJoel Becker	  the ext4 and OCFS2 filesystems, but it could also be used to add
257dab291afSMingming Cao	  journal support to other file systems or block devices such
258dab291afSMingming Cao	  as RAID or LVM.
259dab291afSMingming Cao
2602b4e30fbSJoel Becker	  If you are using ext4 or OCFS2, you need to say Y here.
2612b4e30fbSJoel Becker	  If you are not using ext4 or OCFS2 then you will
2622b4e30fbSJoel Becker	  probably want to say N.
263dab291afSMingming Cao
264dab291afSMingming Cao	  To compile this device as a module, choose M here. The module will be
2652b4e30fbSJoel Becker	  called jbd2.  If you are compiling ext4 or OCFS2 into the kernel,
266dab291afSMingming Cao	  you cannot compile this code as a module.
267dab291afSMingming Cao
268dab291afSMingming Caoconfig JBD2_DEBUG
26903010a33STheodore Ts'o	bool "JBD2 (ext4) debugging support"
2700f49d5d0SJose R. Santos	depends on JBD2 && DEBUG_FS
271dab291afSMingming Cao	help
27203010a33STheodore Ts'o	  If you are using the ext4 journaled file system (or
273dab291afSMingming Cao	  potentially any other filesystem/device using JBD2), this option
274dab291afSMingming Cao	  allows you to enable debugging output while the system is running,
275dab291afSMingming Cao	  in order to help track down any problems you are having.
276dab291afSMingming Cao	  By default, the debugging output will be turned off.
277dab291afSMingming Cao
278dab291afSMingming Cao	  If you select Y here, then you will be able to turn on debugging
2790f49d5d0SJose R. Santos	  with "echo N > /sys/kernel/debug/jbd2/jbd2-debug", where N is a
2800f49d5d0SJose R. Santos	  number between 1 and 5. The higher the number, the more debugging
2810f49d5d0SJose R. Santos	  output is generated.  To turn debugging off again, do
2820f49d5d0SJose R. Santos	  "echo 0 > /sys/kernel/debug/jbd2/jbd2-debug".
283dab291afSMingming Cao
2841da177e4SLinus Torvaldsconfig FS_MBCACHE
28502ea2104SMingming Cao# Meta block cache for Extended Attributes (ext2/ext3/ext4)
2861da177e4SLinus Torvalds	tristate
28703010a33STheodore Ts'o	depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4_FS_XATTR
28803010a33STheodore Ts'o	default y if EXT2_FS=y || EXT3_FS=y || EXT4_FS=y
28903010a33STheodore Ts'o	default m if EXT2_FS=m || EXT3_FS=m || EXT4_FS=m
2901da177e4SLinus Torvalds
2911da177e4SLinus Torvaldsconfig REISERFS_FS
2921da177e4SLinus Torvalds	tristate "Reiserfs support"
2931da177e4SLinus Torvalds	help
2941da177e4SLinus Torvalds	  Stores not just filenames but the files themselves in a balanced
295cc2e2767SMatt LaPlante	  tree.  Uses journalling.
2961da177e4SLinus Torvalds
2971da177e4SLinus Torvalds	  Balanced trees are more efficient than traditional file system
2981da177e4SLinus Torvalds	  architectural foundations.
2991da177e4SLinus Torvalds
3001da177e4SLinus Torvalds	  In general, ReiserFS is as fast as ext2, but is very efficient with
3011da177e4SLinus Torvalds	  large directories and small files.  Additional patches are needed
3021da177e4SLinus Torvalds	  for NFS and quotas, please see <http://www.namesys.com/> for links.
3031da177e4SLinus Torvalds
3041da177e4SLinus Torvalds	  It is more easily extended to have features currently found in
3051da177e4SLinus Torvalds	  database and keyword search systems than block allocation based file
3061da177e4SLinus Torvalds	  systems are.  The next version will be so extended, and will support
3071da177e4SLinus Torvalds	  plugins consistent with our motto ``It takes more than a license to
3081da177e4SLinus Torvalds	  make source code open.''
3091da177e4SLinus Torvalds
3101da177e4SLinus Torvalds	  Read <http://www.namesys.com/> to learn more about reiserfs.
3111da177e4SLinus Torvalds
3121da177e4SLinus Torvalds	  Sponsored by Threshold Networks, Emusic.com, and Bigstorage.com.
3131da177e4SLinus Torvalds
3141da177e4SLinus Torvalds	  If you like it, you can pay us to add new features to it that you
3151da177e4SLinus Torvalds	  need, buy a support contract, or pay us to port it to another OS.
3161da177e4SLinus Torvalds
3171da177e4SLinus Torvaldsconfig REISERFS_CHECK
3181da177e4SLinus Torvalds	bool "Enable reiserfs debug mode"
3191da177e4SLinus Torvalds	depends on REISERFS_FS
3201da177e4SLinus Torvalds	help
3211da177e4SLinus Torvalds	  If you set this to Y, then ReiserFS will perform every check it can
3221da177e4SLinus Torvalds	  possibly imagine of its internal consistency throughout its
3231da177e4SLinus Torvalds	  operation.  It will also go substantially slower.  More than once we
3241da177e4SLinus Torvalds	  have forgotten that this was on, and then gone despondent over the
3251da177e4SLinus Torvalds	  latest benchmarks.:-) Use of this option allows our team to go all
3261da177e4SLinus Torvalds	  out in checking for consistency when debugging without fear of its
3271da177e4SLinus Torvalds	  effect on end users.  If you are on the verge of sending in a bug
3281da177e4SLinus Torvalds	  report, say Y and you might get a useful error message.  Almost
3291da177e4SLinus Torvalds	  everyone should say N.
3301da177e4SLinus Torvalds
3311da177e4SLinus Torvaldsconfig REISERFS_PROC_INFO
3321da177e4SLinus Torvalds	bool "Stats in /proc/fs/reiserfs"
333880ebdc5SRandy Dunlap	depends on REISERFS_FS && PROC_FS
3341da177e4SLinus Torvalds	help
3351da177e4SLinus Torvalds	  Create under /proc/fs/reiserfs a hierarchy of files, displaying
3361da177e4SLinus Torvalds	  various ReiserFS statistics and internal data at the expense of
3371da177e4SLinus Torvalds	  making your kernel or module slightly larger (+8 KB). This also
3381da177e4SLinus Torvalds	  increases the amount of kernel memory required for each mount.
3391da177e4SLinus Torvalds	  Almost everyone but ReiserFS developers and people fine-tuning
3401da177e4SLinus Torvalds	  reiserfs or tracing problems should say N.
3411da177e4SLinus Torvalds
3421da177e4SLinus Torvaldsconfig REISERFS_FS_XATTR
3431da177e4SLinus Torvalds	bool "ReiserFS extended attributes"
3441da177e4SLinus Torvalds	depends on REISERFS_FS
3451da177e4SLinus Torvalds	help
3461da177e4SLinus Torvalds	  Extended attributes are name:value pairs associated with inodes by
3471da177e4SLinus Torvalds	  the kernel or by users (see the attr(5) manual page, or visit
3481da177e4SLinus Torvalds	  <http://acl.bestbits.at/> for details).
3491da177e4SLinus Torvalds
3501da177e4SLinus Torvalds	  If unsure, say N.
3511da177e4SLinus Torvalds
3521da177e4SLinus Torvaldsconfig REISERFS_FS_POSIX_ACL
3531da177e4SLinus Torvalds	bool "ReiserFS POSIX Access Control Lists"
3541da177e4SLinus Torvalds	depends on REISERFS_FS_XATTR
355b84c2157SAndreas Gruenbacher	select FS_POSIX_ACL
3561da177e4SLinus Torvalds	help
3571da177e4SLinus Torvalds	  Posix Access Control Lists (ACLs) support permissions for users and
3581da177e4SLinus Torvalds	  groups beyond the owner/group/world scheme.
3591da177e4SLinus Torvalds
3601da177e4SLinus Torvalds	  To learn more about Access Control Lists, visit the Posix ACLs for
3611da177e4SLinus Torvalds	  Linux website <http://acl.bestbits.at/>.
3621da177e4SLinus Torvalds
3631da177e4SLinus Torvalds	  If you don't know what Access Control Lists are, say N
3641da177e4SLinus Torvalds
3651da177e4SLinus Torvaldsconfig REISERFS_FS_SECURITY
3661da177e4SLinus Torvalds	bool "ReiserFS Security Labels"
3671da177e4SLinus Torvalds	depends on REISERFS_FS_XATTR
3681da177e4SLinus Torvalds	help
3691da177e4SLinus Torvalds	  Security labels support alternative access control models
3701da177e4SLinus Torvalds	  implemented by security modules like SELinux.  This option
3711da177e4SLinus Torvalds	  enables an extended attribute handler for file security
3721da177e4SLinus Torvalds	  labels in the ReiserFS filesystem.
3731da177e4SLinus Torvalds
3741da177e4SLinus Torvalds	  If you are not using a security module that requires using
3751da177e4SLinus Torvalds	  extended attributes for file security labels, say N.
3761da177e4SLinus Torvalds
3771da177e4SLinus Torvaldsconfig JFS_FS
3781da177e4SLinus Torvalds	tristate "JFS filesystem support"
3791da177e4SLinus Torvalds	select NLS
3801da177e4SLinus Torvalds	help
3811da177e4SLinus Torvalds	  This is a port of IBM's Journaled Filesystem .  More information is
3821da177e4SLinus Torvalds	  available in the file <file:Documentation/filesystems/jfs.txt>.
3831da177e4SLinus Torvalds
3841da177e4SLinus Torvalds	  If you do not intend to use the JFS filesystem, say N.
3851da177e4SLinus Torvalds
3861da177e4SLinus Torvaldsconfig JFS_POSIX_ACL
3871da177e4SLinus Torvalds	bool "JFS POSIX Access Control Lists"
3881da177e4SLinus Torvalds	depends on JFS_FS
389b84c2157SAndreas Gruenbacher	select FS_POSIX_ACL
3901da177e4SLinus Torvalds	help
3911da177e4SLinus Torvalds	  Posix Access Control Lists (ACLs) support permissions for users and
3921da177e4SLinus Torvalds	  groups beyond the owner/group/world scheme.
3931da177e4SLinus Torvalds
3941da177e4SLinus Torvalds	  To learn more about Access Control Lists, visit the Posix ACLs for
3951da177e4SLinus Torvalds	  Linux website <http://acl.bestbits.at/>.
3961da177e4SLinus Torvalds
3971da177e4SLinus Torvalds	  If you don't know what Access Control Lists are, say N
3981da177e4SLinus Torvalds
3991da177e4SLinus Torvaldsconfig JFS_SECURITY
4001da177e4SLinus Torvalds	bool "JFS Security Labels"
4011da177e4SLinus Torvalds	depends on JFS_FS
4021da177e4SLinus Torvalds	help
4031da177e4SLinus Torvalds	  Security labels support alternative access control models
4041da177e4SLinus Torvalds	  implemented by security modules like SELinux.  This option
4051da177e4SLinus Torvalds	  enables an extended attribute handler for file security
4061da177e4SLinus Torvalds	  labels in the jfs filesystem.
4071da177e4SLinus Torvalds
4081da177e4SLinus Torvalds	  If you are not using a security module that requires using
4091da177e4SLinus Torvalds	  extended attributes for file security labels, say N.
4101da177e4SLinus Torvalds
4111da177e4SLinus Torvaldsconfig JFS_DEBUG
4121da177e4SLinus Torvalds	bool "JFS debugging"
4131da177e4SLinus Torvalds	depends on JFS_FS
4141da177e4SLinus Torvalds	help
4151da177e4SLinus Torvalds	  If you are experiencing any problems with the JFS filesystem, say
4161da177e4SLinus Torvalds	  Y here.  This will result in additional debugging messages to be
4171da177e4SLinus Torvalds	  written to the system log.  Under normal circumstances, this
4181da177e4SLinus Torvalds	  results in very little overhead.
4191da177e4SLinus Torvalds
4201da177e4SLinus Torvaldsconfig JFS_STATISTICS
4211da177e4SLinus Torvalds	bool "JFS statistics"
4221da177e4SLinus Torvalds	depends on JFS_FS
4231da177e4SLinus Torvalds	help
4241da177e4SLinus Torvalds	  Enabling this option will cause statistics from the JFS file system
4251da177e4SLinus Torvalds	  to be made available to the user in the /proc/fs/jfs/ directory.
4261da177e4SLinus Torvalds
4271da177e4SLinus Torvaldsconfig FS_POSIX_ACL
42889206955SChuck Lever# Posix ACL utility routines (for now, only ext2/ext3/jfs/reiserfs/nfs4)
4291da177e4SLinus Torvalds#
4301da177e4SLinus Torvalds# NOTE: you can implement Posix ACLs without these helpers (XFS does).
4311da177e4SLinus Torvalds# 	Never use this symbol for ifdefs.
4321da177e4SLinus Torvalds#
4331da177e4SLinus Torvalds	bool
434b84c2157SAndreas Gruenbacher	default n
4351da177e4SLinus Torvalds
436bfcd17a6SThomas Petazzoniconfig FILE_LOCKING
437bfcd17a6SThomas Petazzoni	bool "Enable POSIX file locking API" if EMBEDDED
438bfcd17a6SThomas Petazzoni	default y
439bfcd17a6SThomas Petazzoni	help
440bfcd17a6SThomas Petazzoni	  This option enables standard file locking support, required
441bfcd17a6SThomas Petazzoni          for filesystems like NFS and for the flock() system
442bfcd17a6SThomas Petazzoni          call. Disabling this option saves about 11k.
443bfcd17a6SThomas Petazzoni
4441da177e4SLinus Torvaldssource "fs/xfs/Kconfig"
445f7825dcfSDavid Teiglandsource "fs/gfs2/Kconfig"
4461da177e4SLinus Torvalds
447b4e40a51SMark Fashehconfig OCFS2_FS
44802ed8416SMark Fasheh	tristate "OCFS2 file system support"
44902ed8416SMark Fasheh	depends on NET && SYSFS
450b4e40a51SMark Fasheh	select CONFIGFS_FS
4512b4e30fbSJoel Becker	select JBD2
452b4e40a51SMark Fasheh	select CRC32
453b4e40a51SMark Fasheh	help
454b4e40a51SMark Fasheh	  OCFS2 is a general purpose extent based shared disk cluster file
455b4e40a51SMark Fasheh	  system with many similarities to ext3. It supports 64 bit inode
456b4e40a51SMark Fasheh	  numbers, and has automatically extending metadata groups which may
457b4e40a51SMark Fasheh	  also make it attractive for non-clustered use.
458b4e40a51SMark Fasheh
459b4e40a51SMark Fasheh	  You'll want to install the ocfs2-tools package in order to at least
460b4e40a51SMark Fasheh	  get "mount.ocfs2".
461b4e40a51SMark Fasheh
462b4e40a51SMark Fasheh	  Project web page:    http://oss.oracle.com/projects/ocfs2
463b4e40a51SMark Fasheh	  Tools web page:      http://oss.oracle.com/projects/ocfs2-tools
464b4e40a51SMark Fasheh	  OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/
465b4e40a51SMark Fasheh
4661252c434SMark Fasheh	  For more information on OCFS2, see the file
4671252c434SMark Fasheh	  <file:Documentation/filesystems/ocfs2.txt>.
468b4e40a51SMark Fasheh
4699341d229SJoel Beckerconfig OCFS2_FS_O2CB
4709341d229SJoel Becker	tristate "O2CB Kernelspace Clustering"
4719341d229SJoel Becker	depends on OCFS2_FS
4729341d229SJoel Becker	default y
4739341d229SJoel Becker	help
4749341d229SJoel Becker	  OCFS2 includes a simple kernelspace clustering package, the OCFS2
4759341d229SJoel Becker	  Cluster Base.  It only requires a very small userspace component
4769341d229SJoel Becker	  to configure it. This comes with the standard ocfs2-tools package.
4779341d229SJoel Becker	  O2CB is limited to maintaining a cluster for OCFS2 file systems.
4789341d229SJoel Becker	  It cannot manage any other cluster applications.
4799341d229SJoel Becker
4809341d229SJoel Becker	  It is always safe to say Y here, as the clustering method is
4819341d229SJoel Becker	  run-time selectable.
4829341d229SJoel Becker
4839341d229SJoel Beckerconfig OCFS2_FS_USERSPACE_CLUSTER
4849341d229SJoel Becker	tristate "OCFS2 Userspace Clustering"
4859341d229SJoel Becker	depends on OCFS2_FS && DLM
4869341d229SJoel Becker	default y
4879341d229SJoel Becker	help
4889341d229SJoel Becker	  This option will allow OCFS2 to use userspace clustering services
4899341d229SJoel Becker	  in conjunction with the DLM in fs/dlm.  If you are using a
4909341d229SJoel Becker	  userspace cluster manager, say Y here.
4919341d229SJoel Becker
4929341d229SJoel Becker	  It is safe to say Y, as the clustering method is run-time
4939341d229SJoel Becker	  selectable.
4949341d229SJoel Becker
495ce7231e9SSunil Mushranconfig OCFS2_FS_STATS
496ce7231e9SSunil Mushran	bool "OCFS2 statistics"
497ce7231e9SSunil Mushran	depends on OCFS2_FS
498ce7231e9SSunil Mushran	default y
499ce7231e9SSunil Mushran	help
500ce7231e9SSunil Mushran	  This option allows some fs statistics to be captured. Enabling
501ce7231e9SSunil Mushran	  this option may increase the memory consumption.
502ce7231e9SSunil Mushran
5032b388c67SJoel Beckerconfig OCFS2_DEBUG_MASKLOG
5042b388c67SJoel Becker	bool "OCFS2 logging support"
5052b388c67SJoel Becker	depends on OCFS2_FS
5062b388c67SJoel Becker	default y
5072b388c67SJoel Becker	help
5082b388c67SJoel Becker	  The ocfs2 filesystem has an extensive logging system.  The system
5092b388c67SJoel Becker	  allows selection of events to log via files in /sys/o2cb/logmask/.
5102b388c67SJoel Becker	  This option will enlarge your kernel, but it allows debugging of
5112b388c67SJoel Becker	  ocfs2 filesystem issues.
5122b388c67SJoel Becker
5135a58c3efSJan Karaconfig OCFS2_DEBUG_FS
5145a58c3efSJan Kara	bool "OCFS2 expensive checks"
5155a58c3efSJan Kara	depends on OCFS2_FS
5165a58c3efSJan Kara	default n
5175a58c3efSJan Kara	help
5185a58c3efSJan Kara	  This option will enable expensive consistency checks. Enable
5195a58c3efSJan Kara	  this option for debugging only as it is likely to decrease
5205a58c3efSJan Kara	  performance of the filesystem.
5215a58c3efSJan Kara
5222b4e30fbSJoel Beckerconfig OCFS2_COMPAT_JBD
5232b4e30fbSJoel Becker	bool "Use JBD for compatibility"
5242b4e30fbSJoel Becker	depends on OCFS2_FS
5252b4e30fbSJoel Becker	default n
5262b4e30fbSJoel Becker	select JBD
5272b4e30fbSJoel Becker	help
5282b4e30fbSJoel Becker	  The ocfs2 filesystem now uses JBD2 for its journalling.  JBD2
5292b4e30fbSJoel Becker	  is backwards compatible with JBD.  It is safe to say N here.
5302b4e30fbSJoel Becker	  However, if you really want to use the original JBD, say Y here.
5312b4e30fbSJoel Becker
53225fad945SRandy Dunlapendif # BLOCK
53325fad945SRandy Dunlap
53425fad945SRandy Dunlapconfig DNOTIFY
53525fad945SRandy Dunlap	bool "Dnotify support"
53625fad945SRandy Dunlap	default y
5371da177e4SLinus Torvalds	help
53825fad945SRandy Dunlap	  Dnotify is a directory-based per-fd file change notification system
53925fad945SRandy Dunlap	  that uses signals to communicate events to user-space.  There exist
54025fad945SRandy Dunlap	  superior alternatives, but some applications may still rely on
54125fad945SRandy Dunlap	  dnotify.
5421da177e4SLinus Torvalds
54325fad945SRandy Dunlap	  If unsure, say Y.
5449361401eSDavid Howells
5450eeca283SRobert Loveconfig INOTIFY
5460eeca283SRobert Love	bool "Inotify file change notification support"
5470eeca283SRobert Love	default y
5480eeca283SRobert Love	---help---
5492d9048e2SAmy Griffis	  Say Y here to enable inotify support.  Inotify is a file change
5502d9048e2SAmy Griffis	  notification system and a replacement for dnotify.  Inotify fixes
5512d9048e2SAmy Griffis	  numerous shortcomings in dnotify and introduces several new features
5522d9048e2SAmy Griffis	  including multiple file events, one-shot support, and unmount
5533de11748SRobert Love	  notification.
5543de11748SRobert Love
555e403149cSDirk Hohndel	  For more information, see <file:Documentation/filesystems/inotify.txt>
5560eeca283SRobert Love
5570eeca283SRobert Love	  If unsure, say Y.
5580eeca283SRobert Love
5592d9048e2SAmy Griffisconfig INOTIFY_USER
5602d9048e2SAmy Griffis	bool "Inotify support for userspace"
5612d9048e2SAmy Griffis	depends on INOTIFY
5622d9048e2SAmy Griffis	default y
5632d9048e2SAmy Griffis	---help---
5642d9048e2SAmy Griffis	  Say Y here to enable inotify support for userspace, including the
5652d9048e2SAmy Griffis	  associated system calls.  Inotify allows monitoring of both files and
5662d9048e2SAmy Griffis	  directories via a single open fd.  Events are read from the file
5672d9048e2SAmy Griffis	  descriptor, which is also select()- and poll()-able.
5682d9048e2SAmy Griffis
569e403149cSDirk Hohndel	  For more information, see <file:Documentation/filesystems/inotify.txt>
5702d9048e2SAmy Griffis
5712d9048e2SAmy Griffis	  If unsure, say Y.
5722d9048e2SAmy Griffis
5731da177e4SLinus Torvaldsconfig QUOTA
5741da177e4SLinus Torvalds	bool "Quota support"
5751da177e4SLinus Torvalds	help
5761da177e4SLinus Torvalds	  If you say Y here, you will be able to set per user limits for disk
5771da177e4SLinus Torvalds	  usage (also called disk quotas). Currently, it works for the
5781da177e4SLinus Torvalds	  ext2, ext3, and reiserfs file system. ext3 also supports journalled
5791da177e4SLinus Torvalds	  quotas for which you don't need to run quotacheck(8) after an unclean
580919532a5SAdrian Bunk	  shutdown.
581919532a5SAdrian Bunk	  For further details, read the Quota mini-HOWTO, available from
5821da177e4SLinus Torvalds	  <http://www.tldp.org/docs.html#howto>, or the documentation provided
5831da177e4SLinus Torvalds	  with the quota tools. Probably the quota support is only useful for
5841da177e4SLinus Torvalds	  multi user systems. If unsure, say N.
5851da177e4SLinus Torvalds
5868e893469SJan Karaconfig QUOTA_NETLINK_INTERFACE
5878e893469SJan Kara	bool "Report quota messages through netlink interface"
5888e893469SJan Kara	depends on QUOTA && NET
5898e893469SJan Kara	help
5908e893469SJan Kara	  If you say Y here, quota warnings (about exceeding softlimit, reaching
5918e893469SJan Kara	  hardlimit, etc.) will be reported through netlink interface. If unsure,
5928e893469SJan Kara	  say Y.
5938e893469SJan Kara
5948e893469SJan Karaconfig PRINT_QUOTA_WARNING
5958e893469SJan Kara	bool "Print quota warnings to console (OBSOLETE)"
5968e893469SJan Kara	depends on QUOTA
5978e893469SJan Kara	default y
5988e893469SJan Kara	help
5998e893469SJan Kara	  If you say Y here, quota warnings (about exceeding softlimit, reaching
6008e893469SJan Kara	  hardlimit, etc.) will be printed to the process' controlling terminal.
6018e893469SJan Kara	  Note that this behavior is currently deprecated and may go away in
6028e893469SJan Kara	  future. Please use notification via netlink socket instead.
6038e893469SJan Kara
6041da177e4SLinus Torvaldsconfig QFMT_V1
6051da177e4SLinus Torvalds	tristate "Old quota format support"
6061da177e4SLinus Torvalds	depends on QUOTA
6071da177e4SLinus Torvalds	help
6081da177e4SLinus Torvalds	  This quota format was (is) used by kernels earlier than 2.4.22. If
6091da177e4SLinus Torvalds	  you have quota working and you don't want to convert to new quota
6101da177e4SLinus Torvalds	  format say Y here.
6111da177e4SLinus Torvalds
6121da177e4SLinus Torvaldsconfig QFMT_V2
6131da177e4SLinus Torvalds	tristate "Quota format v2 support"
6141da177e4SLinus Torvalds	depends on QUOTA
6151da177e4SLinus Torvalds	help
6161da177e4SLinus Torvalds	  This quota format allows using quotas with 32-bit UIDs/GIDs. If you
617919532a5SAdrian Bunk	  need this functionality say Y here.
6181da177e4SLinus Torvalds
6191da177e4SLinus Torvaldsconfig QUOTACTL
6201da177e4SLinus Torvalds	bool
6211da177e4SLinus Torvalds	depends on XFS_QUOTA || QUOTA
6221da177e4SLinus Torvalds	default y
6231da177e4SLinus Torvalds
6241da177e4SLinus Torvaldsconfig AUTOFS_FS
6251da177e4SLinus Torvalds	tristate "Kernel automounter support"
6261da177e4SLinus Torvalds	help
6271da177e4SLinus Torvalds	  The automounter is a tool to automatically mount remote file systems
6281da177e4SLinus Torvalds	  on demand. This implementation is partially kernel-based to reduce
6291da177e4SLinus Torvalds	  overhead in the already-mounted case; this is unlike the BSD
6301da177e4SLinus Torvalds	  automounter (amd), which is a pure user space daemon.
6311da177e4SLinus Torvalds
6321da177e4SLinus Torvalds	  To use the automounter you need the user-space tools from the autofs
6331da177e4SLinus Torvalds	  package; you can find the location in <file:Documentation/Changes>.
6341da177e4SLinus Torvalds	  You also want to answer Y to "NFS file system support", below.
6351da177e4SLinus Torvalds
6361da177e4SLinus Torvalds	  If you want to use the newer version of the automounter with more
6371da177e4SLinus Torvalds	  features, say N here and say Y to "Kernel automounter v4 support",
6381da177e4SLinus Torvalds	  below.
6391da177e4SLinus Torvalds
6401da177e4SLinus Torvalds	  To compile this support as a module, choose M here: the module will be
6411da177e4SLinus Torvalds	  called autofs.
6421da177e4SLinus Torvalds
6431da177e4SLinus Torvalds	  If you are not a part of a fairly large, distributed network, you
6441da177e4SLinus Torvalds	  probably do not need an automounter, and can say N here.
6451da177e4SLinus Torvalds
6461da177e4SLinus Torvaldsconfig AUTOFS4_FS
6471da177e4SLinus Torvalds	tristate "Kernel automounter version 4 support (also supports v3)"
6481da177e4SLinus Torvalds	help
6491da177e4SLinus Torvalds	  The automounter is a tool to automatically mount remote file systems
6501da177e4SLinus Torvalds	  on demand. This implementation is partially kernel-based to reduce
6511da177e4SLinus Torvalds	  overhead in the already-mounted case; this is unlike the BSD
6521da177e4SLinus Torvalds	  automounter (amd), which is a pure user space daemon.
6531da177e4SLinus Torvalds
6541da177e4SLinus Torvalds	  To use the automounter you need the user-space tools from
6551da177e4SLinus Torvalds	  <ftp://ftp.kernel.org/pub/linux/daemons/autofs/v4/>; you also
6561da177e4SLinus Torvalds	  want to answer Y to "NFS file system support", below.
6571da177e4SLinus Torvalds
6581da177e4SLinus Torvalds	  To compile this support as a module, choose M here: the module will be
6591da177e4SLinus Torvalds	  called autofs4.  You will need to add "alias autofs autofs4" to your
6601da177e4SLinus Torvalds	  modules configuration file.
6611da177e4SLinus Torvalds
6621da177e4SLinus Torvalds	  If you are not a part of a fairly large, distributed network or
6631da177e4SLinus Torvalds	  don't have a laptop which needs to dynamically reconfigure to the
6641da177e4SLinus Torvalds	  local network, you probably do not need an automounter, and can say
6651da177e4SLinus Torvalds	  N here.
6661da177e4SLinus Torvalds
66704578f17SMiklos Szerediconfig FUSE_FS
668*37194d07SRobert P. J. Day	tristate "FUSE (Filesystem in Userspace) support"
66904578f17SMiklos Szeredi	help
67004578f17SMiklos Szeredi	  With FUSE it is possible to implement a fully functional filesystem
67104578f17SMiklos Szeredi	  in a userspace program.
67204578f17SMiklos Szeredi
67304578f17SMiklos Szeredi	  There's also companion library: libfuse.  This library along with
67404578f17SMiklos Szeredi	  utilities is available from the FUSE homepage:
67504578f17SMiklos Szeredi	  <http://fuse.sourceforge.net/>
67604578f17SMiklos Szeredi
677909021eaSMiklos Szeredi	  See <file:Documentation/filesystems/fuse.txt> for more information.
678909021eaSMiklos Szeredi	  See <file:Documentation/Changes> for needed library/utility version.
679909021eaSMiklos Szeredi
68004578f17SMiklos Szeredi	  If you want to develop a userspace FS, or if you want to use
68104578f17SMiklos Szeredi	  a filesystem based on FUSE, answer Y or M.
68204578f17SMiklos Szeredi
683f2fbc6c2SRandy Dunlapconfig GENERIC_ACL
684f2fbc6c2SRandy Dunlap	bool
685f2fbc6c2SRandy Dunlap	select FS_POSIX_ACL
686f2fbc6c2SRandy Dunlap
6879361401eSDavid Howellsif BLOCK
6881da177e4SLinus Torvaldsmenu "CD-ROM/DVD Filesystems"
6891da177e4SLinus Torvalds
6901da177e4SLinus Torvaldsconfig ISO9660_FS
6911da177e4SLinus Torvalds	tristate "ISO 9660 CDROM file system support"
6921da177e4SLinus Torvalds	help
6931da177e4SLinus Torvalds	  This is the standard file system used on CD-ROMs.  It was previously
6941da177e4SLinus Torvalds	  known as "High Sierra File System" and is called "hsfs" on other
6951da177e4SLinus Torvalds	  Unix systems.  The so-called Rock-Ridge extensions which allow for
6961da177e4SLinus Torvalds	  long Unix filenames and symbolic links are also supported by this
6971da177e4SLinus Torvalds	  driver.  If you have a CD-ROM drive and want to do more with it than
6981da177e4SLinus Torvalds	  just listen to audio CDs and watch its LEDs, say Y (and read
6991da177e4SLinus Torvalds	  <file:Documentation/filesystems/isofs.txt> and the CD-ROM-HOWTO,
7001da177e4SLinus Torvalds	  available from <http://www.tldp.org/docs.html#howto>), thereby
7011da177e4SLinus Torvalds	  enlarging your kernel by about 27 KB; otherwise say N.
7021da177e4SLinus Torvalds
7031da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
7041da177e4SLinus Torvalds	  module will be called isofs.
7051da177e4SLinus Torvalds
7061da177e4SLinus Torvaldsconfig JOLIET
7071da177e4SLinus Torvalds	bool "Microsoft Joliet CDROM extensions"
7081da177e4SLinus Torvalds	depends on ISO9660_FS
7091da177e4SLinus Torvalds	select NLS
7101da177e4SLinus Torvalds	help
7111da177e4SLinus Torvalds	  Joliet is a Microsoft extension for the ISO 9660 CD-ROM file system
7121da177e4SLinus Torvalds	  which allows for long filenames in unicode format (unicode is the
7131da177e4SLinus Torvalds	  new 16 bit character code, successor to ASCII, which encodes the
7141da177e4SLinus Torvalds	  characters of almost all languages of the world; see
7151da177e4SLinus Torvalds	  <http://www.unicode.org/> for more information).  Say Y here if you
7161da177e4SLinus Torvalds	  want to be able to read Joliet CD-ROMs under Linux.
7171da177e4SLinus Torvalds
7181da177e4SLinus Torvaldsconfig ZISOFS
7191da177e4SLinus Torvalds	bool "Transparent decompression extension"
7201da177e4SLinus Torvalds	depends on ISO9660_FS
7211da177e4SLinus Torvalds	select ZLIB_INFLATE
7221da177e4SLinus Torvalds	help
7231da177e4SLinus Torvalds	  This is a Linux-specific extension to RockRidge which lets you store
7241da177e4SLinus Torvalds	  data in compressed form on a CD-ROM and have it transparently
7251da177e4SLinus Torvalds	  decompressed when the CD-ROM is accessed.  See
7261da177e4SLinus Torvalds	  <http://www.kernel.org/pub/linux/utils/fs/zisofs/> for the tools
7271da177e4SLinus Torvalds	  necessary to create such a filesystem.  Say Y here if you want to be
7281da177e4SLinus Torvalds	  able to read such compressed CD-ROMs.
7291da177e4SLinus Torvalds
7301da177e4SLinus Torvaldsconfig UDF_FS
7311da177e4SLinus Torvalds	tristate "UDF file system support"
732f845fcedSBob Copeland	select CRC_ITU_T
7331da177e4SLinus Torvalds	help
7341da177e4SLinus Torvalds	  This is the new file system used on some CD-ROMs and DVDs. Say Y if
7351da177e4SLinus Torvalds	  you intend to mount DVD discs or CDRW's written in packet mode, or
7361da177e4SLinus Torvalds	  if written to by other UDF utilities, such as DirectCD.
7371da177e4SLinus Torvalds	  Please read <file:Documentation/filesystems/udf.txt>.
7381da177e4SLinus Torvalds
7391da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
7401da177e4SLinus Torvalds	  module will be called udf.
7411da177e4SLinus Torvalds
7421da177e4SLinus Torvalds	  If unsure, say N.
7431da177e4SLinus Torvalds
7441da177e4SLinus Torvaldsconfig UDF_NLS
7451da177e4SLinus Torvalds	bool
7461da177e4SLinus Torvalds	default y
7471da177e4SLinus Torvalds	depends on (UDF_FS=m && NLS) || (UDF_FS=y && NLS=y)
7481da177e4SLinus Torvalds
7491da177e4SLinus Torvaldsendmenu
75025fad945SRandy Dunlapendif # BLOCK
7511da177e4SLinus Torvalds
7529361401eSDavid Howellsif BLOCK
7531da177e4SLinus Torvaldsmenu "DOS/FAT/NT Filesystems"
7541da177e4SLinus Torvalds
7551da177e4SLinus Torvaldsconfig FAT_FS
7561da177e4SLinus Torvalds	tristate
7571da177e4SLinus Torvalds	select NLS
7581da177e4SLinus Torvalds	help
7591da177e4SLinus Torvalds	  If you want to use one of the FAT-based file systems (the MS-DOS and
7601da177e4SLinus Torvalds	  VFAT (Windows 95) file systems), then you must say Y or M here
7611da177e4SLinus Torvalds	  to include FAT support. You will then be able to mount partitions or
7621da177e4SLinus Torvalds	  diskettes with FAT-based file systems and transparently access the
7631da177e4SLinus Torvalds	  files on them, i.e. MSDOS files will look and behave just like all
7641da177e4SLinus Torvalds	  other Unix files.
7651da177e4SLinus Torvalds
7661da177e4SLinus Torvalds	  This FAT support is not a file system in itself, it only provides
7671da177e4SLinus Torvalds	  the foundation for the other file systems. You will have to say Y or
7681da177e4SLinus Torvalds	  M to at least one of "MSDOS fs support" or "VFAT fs support" in
7691da177e4SLinus Torvalds	  order to make use of it.
7701da177e4SLinus Torvalds
7711da177e4SLinus Torvalds	  Another way to read and write MSDOS floppies and hard drive
7721da177e4SLinus Torvalds	  partitions from within Linux (but not transparently) is with the
7731da177e4SLinus Torvalds	  mtools ("man mtools") program suite. You don't need to say Y here in
7741da177e4SLinus Torvalds	  order to do that.
7751da177e4SLinus Torvalds
7761da177e4SLinus Torvalds	  If you need to move large files on floppies between a DOS and a
7771da177e4SLinus Torvalds	  Linux box, say Y here, mount the floppy under Linux with an MSDOS
7781da177e4SLinus Torvalds	  file system and use GNU tar's M option. GNU tar is a program
7791da177e4SLinus Torvalds	  available for Unix and DOS ("man tar" or "info tar").
7801da177e4SLinus Torvalds
7811da177e4SLinus Torvalds	  The FAT support will enlarge your kernel by about 37 KB. If unsure,
7821da177e4SLinus Torvalds	  say Y.
7831da177e4SLinus Torvalds
7841da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
7851da177e4SLinus Torvalds	  fat.  Note that if you compile the FAT support as a module, you
7861da177e4SLinus Torvalds	  cannot compile any of the FAT-based file systems into the kernel
7871da177e4SLinus Torvalds	  -- they will have to be modules as well.
7881da177e4SLinus Torvalds
7891da177e4SLinus Torvaldsconfig MSDOS_FS
7901da177e4SLinus Torvalds	tristate "MSDOS fs support"
7911da177e4SLinus Torvalds	select FAT_FS
7921da177e4SLinus Torvalds	help
7931da177e4SLinus Torvalds	  This allows you to mount MSDOS partitions of your hard drive (unless
7941da177e4SLinus Torvalds	  they are compressed; to access compressed MSDOS partitions under
7951da177e4SLinus Torvalds	  Linux, you can either use the DOS emulator DOSEMU, described in the
7961da177e4SLinus Torvalds	  DOSEMU-HOWTO, available from
7971da177e4SLinus Torvalds	  <http://www.tldp.org/docs.html#howto>, or try dmsdosfs in
7981da177e4SLinus Torvalds	  <ftp://ibiblio.org/pub/Linux/system/filesystems/dosfs/>. If you
7991da177e4SLinus Torvalds	  intend to use dosemu with a non-compressed MSDOS partition, say Y
8001da177e4SLinus Torvalds	  here) and MSDOS floppies. This means that file access becomes
8011da177e4SLinus Torvalds	  transparent, i.e. the MSDOS files look and behave just like all
8021da177e4SLinus Torvalds	  other Unix files.
8031da177e4SLinus Torvalds
8041da177e4SLinus Torvalds	  If you have Windows 95 or Windows NT installed on your MSDOS
8051da177e4SLinus Torvalds	  partitions, you should use the VFAT file system (say Y to "VFAT fs
8061da177e4SLinus Torvalds	  support" below), or you will not be able to see the long filenames
8071da177e4SLinus Torvalds	  generated by Windows 95 / Windows NT.
8081da177e4SLinus Torvalds
8091da177e4SLinus Torvalds	  This option will enlarge your kernel by about 7 KB. If unsure,
8101da177e4SLinus Torvalds	  answer Y. This will only work if you said Y to "DOS FAT fs support"
8111da177e4SLinus Torvalds	  as well. To compile this as a module, choose M here: the module will
8121da177e4SLinus Torvalds	  be called msdos.
8131da177e4SLinus Torvalds
8141da177e4SLinus Torvaldsconfig VFAT_FS
8151da177e4SLinus Torvalds	tristate "VFAT (Windows-95) fs support"
8161da177e4SLinus Torvalds	select FAT_FS
8171da177e4SLinus Torvalds	help
8181da177e4SLinus Torvalds	  This option provides support for normal Windows file systems with
8191da177e4SLinus Torvalds	  long filenames.  That includes non-compressed FAT-based file systems
8201da177e4SLinus Torvalds	  used by Windows 95, Windows 98, Windows NT 4.0, and the Unix
8211da177e4SLinus Torvalds	  programs from the mtools package.
8221da177e4SLinus Torvalds
8231da177e4SLinus Torvalds	  The VFAT support enlarges your kernel by about 10 KB and it only
8241da177e4SLinus Torvalds	  works if you said Y to the "DOS FAT fs support" above.  Please read
8251da177e4SLinus Torvalds	  the file <file:Documentation/filesystems/vfat.txt> for details.  If
8261da177e4SLinus Torvalds	  unsure, say Y.
8271da177e4SLinus Torvalds
8281da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
8291da177e4SLinus Torvalds	  vfat.
8301da177e4SLinus Torvalds
8311da177e4SLinus Torvaldsconfig FAT_DEFAULT_CODEPAGE
8321da177e4SLinus Torvalds	int "Default codepage for FAT"
8331da177e4SLinus Torvalds	depends on MSDOS_FS || VFAT_FS
8341da177e4SLinus Torvalds	default 437
8351da177e4SLinus Torvalds	help
8361da177e4SLinus Torvalds	  This option should be set to the codepage of your FAT filesystems.
8371da177e4SLinus Torvalds	  It can be overridden with the "codepage" mount option.
8381da177e4SLinus Torvalds	  See <file:Documentation/filesystems/vfat.txt> for more information.
8391da177e4SLinus Torvalds
8401da177e4SLinus Torvaldsconfig FAT_DEFAULT_IOCHARSET
8411da177e4SLinus Torvalds	string "Default iocharset for FAT"
8421da177e4SLinus Torvalds	depends on VFAT_FS
8431da177e4SLinus Torvalds	default "iso8859-1"
8441da177e4SLinus Torvalds	help
8451da177e4SLinus Torvalds	  Set this to the default input/output character set you'd
8461da177e4SLinus Torvalds	  like FAT to use. It should probably match the character set
8471da177e4SLinus Torvalds	  that most of your FAT filesystems use, and can be overridden
8481da177e4SLinus Torvalds	  with the "iocharset" mount option for FAT filesystems.
8491da177e4SLinus Torvalds	  Note that "utf8" is not recommended for FAT filesystems.
8501da177e4SLinus Torvalds	  If unsure, you shouldn't set "utf8" here.
8511da177e4SLinus Torvalds	  See <file:Documentation/filesystems/vfat.txt> for more information.
8521da177e4SLinus Torvalds
8531da177e4SLinus Torvaldsconfig NTFS_FS
8541da177e4SLinus Torvalds	tristate "NTFS file system support"
8551da177e4SLinus Torvalds	select NLS
8561da177e4SLinus Torvalds	help
8571da177e4SLinus Torvalds	  NTFS is the file system of Microsoft Windows NT, 2000, XP and 2003.
8581da177e4SLinus Torvalds
8591da177e4SLinus Torvalds	  Saying Y or M here enables read support.  There is partial, but
8601da177e4SLinus Torvalds	  safe, write support available.  For write support you must also
8611da177e4SLinus Torvalds	  say Y to "NTFS write support" below.
8621da177e4SLinus Torvalds
8631da177e4SLinus Torvalds	  There are also a number of user-space tools available, called
8641da177e4SLinus Torvalds	  ntfsprogs.  These include ntfsundelete and ntfsresize, that work
8651da177e4SLinus Torvalds	  without NTFS support enabled in the kernel.
8661da177e4SLinus Torvalds
8671da177e4SLinus Torvalds	  This is a rewrite from scratch of Linux NTFS support and replaced
8681da177e4SLinus Torvalds	  the old NTFS code starting with Linux 2.5.11.  A backport to
8691da177e4SLinus Torvalds	  the Linux 2.4 kernel series is separately available as a patch
8701da177e4SLinus Torvalds	  from the project web site.
8711da177e4SLinus Torvalds
8721da177e4SLinus Torvalds	  For more information see <file:Documentation/filesystems/ntfs.txt>
873337e2ab5SJess Guerrero	  and <http://www.linux-ntfs.org/>.
8741da177e4SLinus Torvalds
8751da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
8761da177e4SLinus Torvalds	  module will be called ntfs.
8771da177e4SLinus Torvalds
8781da177e4SLinus Torvalds	  If you are not using Windows NT, 2000, XP or 2003 in addition to
8791da177e4SLinus Torvalds	  Linux on your computer it is safe to say N.
8801da177e4SLinus Torvalds
8811da177e4SLinus Torvaldsconfig NTFS_DEBUG
8821da177e4SLinus Torvalds	bool "NTFS debugging support"
8831da177e4SLinus Torvalds	depends on NTFS_FS
8841da177e4SLinus Torvalds	help
8851da177e4SLinus Torvalds	  If you are experiencing any problems with the NTFS file system, say
8861da177e4SLinus Torvalds	  Y here.  This will result in additional consistency checks to be
8871da177e4SLinus Torvalds	  performed by the driver as well as additional debugging messages to
8881da177e4SLinus Torvalds	  be written to the system log.  Note that debugging messages are
8891da177e4SLinus Torvalds	  disabled by default.  To enable them, supply the option debug_msgs=1
8901da177e4SLinus Torvalds	  at the kernel command line when booting the kernel or as an option
8911da177e4SLinus Torvalds	  to insmod when loading the ntfs module.  Once the driver is active,
8921da177e4SLinus Torvalds	  you can enable debugging messages by doing (as root):
8931da177e4SLinus Torvalds	  echo 1 > /proc/sys/fs/ntfs-debug
8941da177e4SLinus Torvalds	  Replacing the "1" with "0" would disable debug messages.
8951da177e4SLinus Torvalds
8961da177e4SLinus Torvalds	  If you leave debugging messages disabled, this results in little
8971da177e4SLinus Torvalds	  overhead, but enabling debug messages results in very significant
8981da177e4SLinus Torvalds	  slowdown of the system.
8991da177e4SLinus Torvalds
9001da177e4SLinus Torvalds	  When reporting bugs, please try to have available a full dump of
9011da177e4SLinus Torvalds	  debugging messages while the misbehaviour was occurring.
9021da177e4SLinus Torvalds
9031da177e4SLinus Torvaldsconfig NTFS_RW
9041da177e4SLinus Torvalds	bool "NTFS write support"
9051da177e4SLinus Torvalds	depends on NTFS_FS
9061da177e4SLinus Torvalds	help
9071da177e4SLinus Torvalds	  This enables the partial, but safe, write support in the NTFS driver.
9081da177e4SLinus Torvalds
9091da177e4SLinus Torvalds	  The only supported operation is overwriting existing files, without
9101da177e4SLinus Torvalds	  changing the file length.  No file or directory creation, deletion or
9111da177e4SLinus Torvalds	  renaming is possible.  Note only non-resident files can be written to
9121da177e4SLinus Torvalds	  so you may find that some very small files (<500 bytes or so) cannot
9131da177e4SLinus Torvalds	  be written to.
9141da177e4SLinus Torvalds
9151da177e4SLinus Torvalds	  While we cannot guarantee that it will not damage any data, we have
9161da177e4SLinus Torvalds	  so far not received a single report where the driver would have
9171da177e4SLinus Torvalds	  damaged someones data so we assume it is perfectly safe to use.
9181da177e4SLinus Torvalds
9191da177e4SLinus Torvalds	  Note:  While write support is safe in this version (a rewrite from
9201da177e4SLinus Torvalds	  scratch of the NTFS support), it should be noted that the old NTFS
9211da177e4SLinus Torvalds	  write support, included in Linux 2.5.10 and before (since 1997),
9221da177e4SLinus Torvalds	  is not safe.
9231da177e4SLinus Torvalds
9241da177e4SLinus Torvalds	  This is currently useful with TopologiLinux.  TopologiLinux is run
9251da177e4SLinus Torvalds	  on top of any DOS/Microsoft Windows system without partitioning your
9261da177e4SLinus Torvalds	  hard disk.  Unlike other Linux distributions TopologiLinux does not
9271da177e4SLinus Torvalds	  need its own partition.  For more information see
9281da177e4SLinus Torvalds	  <http://topologi-linux.sourceforge.net/>
9291da177e4SLinus Torvalds
9301da177e4SLinus Torvalds	  It is perfectly safe to say N here.
9311da177e4SLinus Torvalds
9321da177e4SLinus Torvaldsendmenu
93325fad945SRandy Dunlapendif # BLOCK
9341da177e4SLinus Torvalds
9351da177e4SLinus Torvaldsmenu "Pseudo filesystems"
9361da177e4SLinus Torvalds
9376eedf8d3SAlexey Dobriyansource "fs/proc/Kconfig"
938b89a8171SEric W. Biederman
9391da177e4SLinus Torvaldsconfig SYSFS
9401da177e4SLinus Torvalds	bool "sysfs file system support" if EMBEDDED
9411da177e4SLinus Torvalds	default y
9421da177e4SLinus Torvalds	help
9431da177e4SLinus Torvalds	The sysfs filesystem is a virtual filesystem that the kernel uses to
9441da177e4SLinus Torvalds	export internal kernel objects, their attributes, and their
9451da177e4SLinus Torvalds	relationships to one another.
9461da177e4SLinus Torvalds
9471da177e4SLinus Torvalds	Users can use sysfs to ascertain useful information about the running
9481da177e4SLinus Torvalds	kernel, such as the devices the kernel has discovered on each bus and
9491da177e4SLinus Torvalds	which driver each is bound to. sysfs can also be used to tune devices
9501da177e4SLinus Torvalds	and other kernel subsystems.
9511da177e4SLinus Torvalds
9521da177e4SLinus Torvalds	Some system agents rely on the information in sysfs to operate.
9531da177e4SLinus Torvalds	/sbin/hotplug uses device and object attributes in sysfs to assist in
95403a67a46SJan Engelhardt	delegating policy decisions, like persistently naming devices.
9551da177e4SLinus Torvalds
9561da177e4SLinus Torvalds	sysfs is currently used by the block subsystem to mount the root
9571da177e4SLinus Torvalds	partition.  If sysfs is disabled you must specify the boot device on
9581da177e4SLinus Torvalds	the kernel boot command line via its major and minor numbers.  For
9591da177e4SLinus Torvalds	example, "root=03:01" for /dev/hda1.
9601da177e4SLinus Torvalds
9611da177e4SLinus Torvalds	Designers of embedded systems may wish to say N here to conserve space.
9621da177e4SLinus Torvalds
9631da177e4SLinus Torvaldsconfig TMPFS
9641da177e4SLinus Torvalds	bool "Virtual memory file system support (former shm fs)"
9651da177e4SLinus Torvalds	help
9661da177e4SLinus Torvalds	  Tmpfs is a file system which keeps all files in virtual memory.
9671da177e4SLinus Torvalds
9681da177e4SLinus Torvalds	  Everything in tmpfs is temporary in the sense that no files will be
9691da177e4SLinus Torvalds	  created on your hard drive. The files live in memory and swap
9701da177e4SLinus Torvalds	  space. If you unmount a tmpfs instance, everything stored therein is
9711da177e4SLinus Torvalds	  lost.
9721da177e4SLinus Torvalds
9731da177e4SLinus Torvalds	  See <file:Documentation/filesystems/tmpfs.txt> for details.
9741da177e4SLinus Torvalds
97539f0247dSAndreas Gruenbacherconfig TMPFS_POSIX_ACL
97639f0247dSAndreas Gruenbacher	bool "Tmpfs POSIX Access Control Lists"
97739f0247dSAndreas Gruenbacher	depends on TMPFS
97839f0247dSAndreas Gruenbacher	select GENERIC_ACL
97939f0247dSAndreas Gruenbacher	help
98039f0247dSAndreas Gruenbacher	  POSIX Access Control Lists (ACLs) support permissions for users and
98139f0247dSAndreas Gruenbacher	  groups beyond the owner/group/world scheme.
98239f0247dSAndreas Gruenbacher
98339f0247dSAndreas Gruenbacher	  To learn more about Access Control Lists, visit the POSIX ACLs for
98439f0247dSAndreas Gruenbacher	  Linux website <http://acl.bestbits.at/>.
98539f0247dSAndreas Gruenbacher
98639f0247dSAndreas Gruenbacher	  If you don't know what Access Control Lists are, say N.
98739f0247dSAndreas Gruenbacher
9881da177e4SLinus Torvaldsconfig HUGETLBFS
9891da177e4SLinus Torvalds	bool "HugeTLB file system support"
99053492b1dSGerald Schaefer	depends on X86 || IA64 || PPC64 || SPARC64 || (SUPERH && MMU) || \
99153492b1dSGerald Schaefer		   (S390 && 64BIT) || BROKEN
992dda27d1aSArthur Othieno	help
993dda27d1aSArthur Othieno	  hugetlbfs is a filesystem backing for HugeTLB pages, based on
994dda27d1aSArthur Othieno	  ramfs. For architectures that support it, say Y here and read
995dda27d1aSArthur Othieno	  <file:Documentation/vm/hugetlbpage.txt> for details.
996dda27d1aSArthur Othieno
997dda27d1aSArthur Othieno	  If unsure, say N.
9981da177e4SLinus Torvalds
9991da177e4SLinus Torvaldsconfig HUGETLB_PAGE
10001da177e4SLinus Torvalds	def_bool HUGETLBFS
10011da177e4SLinus Torvalds
10027063fbf2SJoel Beckerconfig CONFIGFS_FS
100302ac0499SJoel Becker	tristate "Userspace-driven configuration filesystem"
100402ac0499SJoel Becker	depends on SYSFS
10057063fbf2SJoel Becker	help
10067063fbf2SJoel Becker	  configfs is a ram-based filesystem that provides the converse
10077063fbf2SJoel Becker	  of sysfs's functionality. Where sysfs is a filesystem-based
10087063fbf2SJoel Becker	  view of kernel objects, configfs is a filesystem-based manager
10097063fbf2SJoel Becker	  of kernel objects, or config_items.
10107063fbf2SJoel Becker
10117063fbf2SJoel Becker	  Both sysfs and configfs can and should exist together on the
10127063fbf2SJoel Becker	  same system. One is not a replacement for the other.
10137063fbf2SJoel Becker
10141da177e4SLinus Torvaldsendmenu
10151da177e4SLinus Torvalds
10161da177e4SLinus Torvaldsmenu "Miscellaneous filesystems"
10171da177e4SLinus Torvalds
10181da177e4SLinus Torvaldsconfig ADFS_FS
10191da177e4SLinus Torvalds	tristate "ADFS file system support (EXPERIMENTAL)"
10209361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
10211da177e4SLinus Torvalds	help
10221da177e4SLinus Torvalds	  The Acorn Disc Filing System is the standard file system of the
10231da177e4SLinus Torvalds	  RiscOS operating system which runs on Acorn's ARM-based Risc PC
10241da177e4SLinus Torvalds	  systems and the Acorn Archimedes range of machines. If you say Y
10251da177e4SLinus Torvalds	  here, Linux will be able to read from ADFS partitions on hard drives
10261da177e4SLinus Torvalds	  and from ADFS-formatted floppy discs. If you also want to be able to
10271da177e4SLinus Torvalds	  write to those devices, say Y to "ADFS write support" below.
10281da177e4SLinus Torvalds
10291da177e4SLinus Torvalds	  The ADFS partition should be the first partition (i.e.,
10301da177e4SLinus Torvalds	  /dev/[hs]d?1) on each of your drives. Please read the file
10311da177e4SLinus Torvalds	  <file:Documentation/filesystems/adfs.txt> for further details.
10321da177e4SLinus Torvalds
10331da177e4SLinus Torvalds	  To compile this code as a module, choose M here: the module will be
10341da177e4SLinus Torvalds	  called adfs.
10351da177e4SLinus Torvalds
10361da177e4SLinus Torvalds	  If unsure, say N.
10371da177e4SLinus Torvalds
10381da177e4SLinus Torvaldsconfig ADFS_FS_RW
10391da177e4SLinus Torvalds	bool "ADFS write support (DANGEROUS)"
10401da177e4SLinus Torvalds	depends on ADFS_FS
10411da177e4SLinus Torvalds	help
10421da177e4SLinus Torvalds	  If you say Y here, you will be able to write to ADFS partitions on
10431da177e4SLinus Torvalds	  hard drives and ADFS-formatted floppy disks. This is experimental
10441da177e4SLinus Torvalds	  codes, so if you're unsure, say N.
10451da177e4SLinus Torvalds
10461da177e4SLinus Torvaldsconfig AFFS_FS
10471da177e4SLinus Torvalds	tristate "Amiga FFS file system support (EXPERIMENTAL)"
10489361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
10491da177e4SLinus Torvalds	help
10501da177e4SLinus Torvalds	  The Fast File System (FFS) is the common file system used on hard
10511da177e4SLinus Torvalds	  disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20).  Say Y
10521da177e4SLinus Torvalds	  if you want to be able to read and write files from and to an Amiga
10531da177e4SLinus Torvalds	  FFS partition on your hard drive.  Amiga floppies however cannot be
10541da177e4SLinus Torvalds	  read with this driver due to an incompatibility of the floppy
10551da177e4SLinus Torvalds	  controller used in an Amiga and the standard floppy controller in
10561da177e4SLinus Torvalds	  PCs and workstations. Read <file:Documentation/filesystems/affs.txt>
10571da177e4SLinus Torvalds	  and <file:fs/affs/Changes>.
10581da177e4SLinus Torvalds
10591da177e4SLinus Torvalds	  With this driver you can also mount disk files used by Bernd
10601da177e4SLinus Torvalds	  Schmidt's Un*X Amiga Emulator
10611da177e4SLinus Torvalds	  (<http://www.freiburg.linux.de/~uae/>).
10621da177e4SLinus Torvalds	  If you want to do this, you will also need to say Y or M to "Loop
10631da177e4SLinus Torvalds	  device support", above.
10641da177e4SLinus Torvalds
10651da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
10661da177e4SLinus Torvalds	  module will be called affs.  If unsure, say N.
10671da177e4SLinus Torvalds
1068237fead6SMichael Halcrowconfig ECRYPT_FS
1069237fead6SMichael Halcrow	tristate "eCrypt filesystem layer support (EXPERIMENTAL)"
107088b4a07eSMichael Halcrow	depends on EXPERIMENTAL && KEYS && CRYPTO && NET
1071237fead6SMichael Halcrow	help
1072237fead6SMichael Halcrow	  Encrypted filesystem that operates on the VFS layer.  See
1073e403149cSDirk Hohndel	  <file:Documentation/filesystems/ecryptfs.txt> to learn more about
1074237fead6SMichael Halcrow	  eCryptfs.  Userspace components are required and can be
1075237fead6SMichael Halcrow	  obtained from <http://ecryptfs.sf.net>.
1076237fead6SMichael Halcrow
1077237fead6SMichael Halcrow	  To compile this file system support as a module, choose M here: the
1078237fead6SMichael Halcrow	  module will be called ecryptfs.
1079237fead6SMichael Halcrow
10801da177e4SLinus Torvaldsconfig HFS_FS
10811da177e4SLinus Torvalds	tristate "Apple Macintosh file system support (EXPERIMENTAL)"
10829361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
1083878129a3SLennert Buytenhek	select NLS
10841da177e4SLinus Torvalds	help
10851da177e4SLinus Torvalds	  If you say Y here, you will be able to mount Macintosh-formatted
10861da177e4SLinus Torvalds	  floppy disks and hard drive partitions with full read-write access.
1087889c94a1SJohann Felix Soden	  Please read <file:Documentation/filesystems/hfs.txt> to learn about
1088889c94a1SJohann Felix Soden	  the available mount options.
10891da177e4SLinus Torvalds
10901da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
10911da177e4SLinus Torvalds	  module will be called hfs.
10921da177e4SLinus Torvalds
10931da177e4SLinus Torvaldsconfig HFSPLUS_FS
10941da177e4SLinus Torvalds	tristate "Apple Extended HFS file system support"
10959361401eSDavid Howells	depends on BLOCK
10961da177e4SLinus Torvalds	select NLS
10971da177e4SLinus Torvalds	select NLS_UTF8
10981da177e4SLinus Torvalds	help
10991da177e4SLinus Torvalds	  If you say Y here, you will be able to mount extended format
11001da177e4SLinus Torvalds	  Macintosh-formatted hard drive partitions with full read-write access.
11011da177e4SLinus Torvalds
11021da177e4SLinus Torvalds	  This file system is often called HFS+ and was introduced with
11031da177e4SLinus Torvalds	  MacOS 8. It includes all Mac specific filesystem data such as
11041da177e4SLinus Torvalds	  data forks and creator codes, but it also has several UNIX
11051da177e4SLinus Torvalds	  style features such as file ownership and permissions.
11061da177e4SLinus Torvalds
11071da177e4SLinus Torvaldsconfig BEFS_FS
11081da177e4SLinus Torvalds	tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)"
11099361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
11101da177e4SLinus Torvalds	select NLS
11111da177e4SLinus Torvalds	help
11121da177e4SLinus Torvalds	  The BeOS File System (BeFS) is the native file system of Be, Inc's
11131da177e4SLinus Torvalds	  BeOS. Notable features include support for arbitrary attributes
11143cb2fcccSMatt LaPlante	  on files and directories, and database-like indices on selected
11151da177e4SLinus Torvalds	  attributes. (Also note that this driver doesn't make those features
11161da177e4SLinus Torvalds	  available at this time). It is a 64 bit filesystem, so it supports
111744c09201SMatt LaPlante	  extremely large volumes and files.
11181da177e4SLinus Torvalds
11191da177e4SLinus Torvalds	  If you use this filesystem, you should also say Y to at least one
11201da177e4SLinus Torvalds	  of the NLS (native language support) options below.
11211da177e4SLinus Torvalds
11221da177e4SLinus Torvalds	  If you don't know what this is about, say N.
11231da177e4SLinus Torvalds
11241da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be
11251da177e4SLinus Torvalds	  called befs.
11261da177e4SLinus Torvalds
11271da177e4SLinus Torvaldsconfig BEFS_DEBUG
11281da177e4SLinus Torvalds	bool "Debug BeFS"
11291da177e4SLinus Torvalds	depends on BEFS_FS
11301da177e4SLinus Torvalds	help
11311da177e4SLinus Torvalds	  If you say Y here, you can use the 'debug' mount option to enable
11321da177e4SLinus Torvalds	  debugging output from the driver.
11331da177e4SLinus Torvalds
11341da177e4SLinus Torvaldsconfig BFS_FS
11351da177e4SLinus Torvalds	tristate "BFS file system support (EXPERIMENTAL)"
11369361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
11371da177e4SLinus Torvalds	help
11381da177e4SLinus Torvalds	  Boot File System (BFS) is a file system used under SCO UnixWare to
11391da177e4SLinus Torvalds	  allow the bootloader access to the kernel image and other important
11401da177e4SLinus Torvalds	  files during the boot process.  It is usually mounted under /stand
11411da177e4SLinus Torvalds	  and corresponds to the slice marked as "STAND" in the UnixWare
11421da177e4SLinus Torvalds	  partition.  You should say Y if you want to read or write the files
11431da177e4SLinus Torvalds	  on your /stand slice from within Linux.  You then also need to say Y
11441da177e4SLinus Torvalds	  to "UnixWare slices support", below.  More information about the BFS
11451da177e4SLinus Torvalds	  file system is contained in the file
11461da177e4SLinus Torvalds	  <file:Documentation/filesystems/bfs.txt>.
11471da177e4SLinus Torvalds
11481da177e4SLinus Torvalds	  If you don't know what this is about, say N.
11491da177e4SLinus Torvalds
11501da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
11511da177e4SLinus Torvalds	  bfs.  Note that the file system of your root partition (the one
11521da177e4SLinus Torvalds	  containing the directory /) cannot be compiled as a module.
11531da177e4SLinus Torvalds
11541da177e4SLinus Torvalds
11551da177e4SLinus Torvalds
11561da177e4SLinus Torvaldsconfig EFS_FS
11571da177e4SLinus Torvalds	tristate "EFS file system support (read only) (EXPERIMENTAL)"
11589361401eSDavid Howells	depends on BLOCK && EXPERIMENTAL
11591da177e4SLinus Torvalds	help
11601da177e4SLinus Torvalds	  EFS is an older file system used for non-ISO9660 CD-ROMs and hard
11611da177e4SLinus Torvalds	  disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer
11621da177e4SLinus Torvalds	  uses the XFS file system for hard disk partitions however).
11631da177e4SLinus Torvalds
11641da177e4SLinus Torvalds	  This implementation only offers read-only access. If you don't know
11651da177e4SLinus Torvalds	  what all this is about, it's safe to say N. For more information
11661da177e4SLinus Torvalds	  about EFS see its home page at <http://aeschi.ch.eu.org/efs/>.
11671da177e4SLinus Torvalds
11681da177e4SLinus Torvalds	  To compile the EFS file system support as a module, choose M here: the
11691da177e4SLinus Torvalds	  module will be called efs.
11701da177e4SLinus Torvalds
11711da177e4SLinus Torvaldsconfig JFFS2_FS
11721da177e4SLinus Torvalds	tristate "Journalling Flash File System v2 (JFFS2) support"
11731da177e4SLinus Torvalds	select CRC32
11741da177e4SLinus Torvalds	depends on MTD
11751da177e4SLinus Torvalds	help
11761da177e4SLinus Torvalds	  JFFS2 is the second generation of the Journalling Flash File System
11771da177e4SLinus Torvalds	  for use on diskless embedded devices. It provides improved wear
11781da177e4SLinus Torvalds	  levelling, compression and support for hard links. You cannot use
11791da177e4SLinus Torvalds	  this on normal block devices, only on 'MTD' devices.
11801da177e4SLinus Torvalds
11811da177e4SLinus Torvalds	  Further information on the design and implementation of JFFS2 is
11821da177e4SLinus Torvalds	  available at <http://sources.redhat.com/jffs2/>.
11831da177e4SLinus Torvalds
11841da177e4SLinus Torvaldsconfig JFFS2_FS_DEBUG
11851da177e4SLinus Torvalds	int "JFFS2 debugging verbosity (0 = quiet, 2 = noisy)"
11861da177e4SLinus Torvalds	depends on JFFS2_FS
11871da177e4SLinus Torvalds	default "0"
11881da177e4SLinus Torvalds	help
11891da177e4SLinus Torvalds	  This controls the amount of debugging messages produced by the JFFS2
11901da177e4SLinus Torvalds	  code. Set it to zero for use in production systems. For evaluation,
11911da177e4SLinus Torvalds	  testing and debugging, it's advisable to set it to one. This will
11921da177e4SLinus Torvalds	  enable a few assertions and will print debugging messages at the
11931da177e4SLinus Torvalds	  KERN_DEBUG loglevel, where they won't normally be visible. Level 2
11941da177e4SLinus Torvalds	  is unlikely to be useful - it enables extra debugging in certain
11951da177e4SLinus Torvalds	  areas which at one point needed debugging, but when the bugs were
11961da177e4SLinus Torvalds	  located and fixed, the detailed messages were relegated to level 2.
11971da177e4SLinus Torvalds
11981da177e4SLinus Torvalds	  If reporting bugs, please try to have available a full dump of the
11991da177e4SLinus Torvalds	  messages at debug level 1 while the misbehaviour was occurring.
12001da177e4SLinus Torvalds
12012ba72cb7SDavid Woodhouseconfig JFFS2_FS_WRITEBUFFER
12022ba72cb7SDavid Woodhouse	bool "JFFS2 write-buffering support"
1203aa98d7cfSKaiGai Kohei	depends on JFFS2_FS
12042ba72cb7SDavid Woodhouse	default y
12052ba72cb7SDavid Woodhouse	help
12062ba72cb7SDavid Woodhouse	  This enables the write-buffering support in JFFS2.
12072ba72cb7SDavid Woodhouse
12082ba72cb7SDavid Woodhouse	  This functionality is required to support JFFS2 on the following
12092ba72cb7SDavid Woodhouse	  types of flash devices:
12102ba72cb7SDavid Woodhouse	    - NAND flash
12112ba72cb7SDavid Woodhouse	    - NOR flash with transparent ECC
12122ba72cb7SDavid Woodhouse	    - DataFlash
12132ba72cb7SDavid Woodhouse
1214a6bc432eSDavid Woodhouseconfig JFFS2_FS_WBUF_VERIFY
1215a6bc432eSDavid Woodhouse	bool "Verify JFFS2 write-buffer reads"
1216a6bc432eSDavid Woodhouse	depends on JFFS2_FS_WRITEBUFFER
1217a6bc432eSDavid Woodhouse	default n
1218a6bc432eSDavid Woodhouse	help
1219a6bc432eSDavid Woodhouse	  This causes JFFS2 to read back every page written through the
1220a6bc432eSDavid Woodhouse	  write-buffer, and check for errors.
1221a6bc432eSDavid Woodhouse
12222ba72cb7SDavid Woodhouseconfig JFFS2_SUMMARY
12232ba72cb7SDavid Woodhouse	bool "JFFS2 summary support (EXPERIMENTAL)"
12242ba72cb7SDavid Woodhouse	depends on JFFS2_FS && EXPERIMENTAL
12252ba72cb7SDavid Woodhouse	default n
12262ba72cb7SDavid Woodhouse	help
12272ba72cb7SDavid Woodhouse	  This feature makes it possible to use summary information
12282ba72cb7SDavid Woodhouse	  for faster filesystem mount.
12292ba72cb7SDavid Woodhouse
12302ba72cb7SDavid Woodhouse	  The summary information can be inserted into a filesystem image
12312ba72cb7SDavid Woodhouse	  by the utility 'sumtool'.
12322ba72cb7SDavid Woodhouse
12332ba72cb7SDavid Woodhouse	  If unsure, say 'N'.
12342ba72cb7SDavid Woodhouse
12352ba72cb7SDavid Woodhouseconfig JFFS2_FS_XATTR
12362ba72cb7SDavid Woodhouse	bool "JFFS2 XATTR support (EXPERIMENTAL)"
123704510deeSKaiGai Kohei	depends on JFFS2_FS && EXPERIMENTAL
1238aa98d7cfSKaiGai Kohei	default n
1239aa98d7cfSKaiGai Kohei	help
1240aa98d7cfSKaiGai Kohei	  Extended attributes are name:value pairs associated with inodes by
1241aa98d7cfSKaiGai Kohei	  the kernel or by users (see the attr(5) manual page, or visit
1242aa98d7cfSKaiGai Kohei	  <http://acl.bestbits.at/> for details).
1243aa98d7cfSKaiGai Kohei
1244aa98d7cfSKaiGai Kohei	  If unsure, say N.
1245aa98d7cfSKaiGai Kohei
1246aa98d7cfSKaiGai Koheiconfig JFFS2_FS_POSIX_ACL
1247aa98d7cfSKaiGai Kohei	bool "JFFS2 POSIX Access Control Lists"
1248aa98d7cfSKaiGai Kohei	depends on JFFS2_FS_XATTR
1249aa98d7cfSKaiGai Kohei	default y
1250aa98d7cfSKaiGai Kohei	select FS_POSIX_ACL
1251aa98d7cfSKaiGai Kohei	help
1252aa98d7cfSKaiGai Kohei	  Posix Access Control Lists (ACLs) support permissions for users and
1253aa98d7cfSKaiGai Kohei	  groups beyond the owner/group/world scheme.
1254aa98d7cfSKaiGai Kohei
1255aa98d7cfSKaiGai Kohei	  To learn more about Access Control Lists, visit the Posix ACLs for
1256aa98d7cfSKaiGai Kohei	  Linux website <http://acl.bestbits.at/>.
1257aa98d7cfSKaiGai Kohei
1258aa98d7cfSKaiGai Kohei	  If you don't know what Access Control Lists are, say N
1259aa98d7cfSKaiGai Kohei
1260aa98d7cfSKaiGai Koheiconfig JFFS2_FS_SECURITY
1261aa98d7cfSKaiGai Kohei	bool "JFFS2 Security Labels"
1262aa98d7cfSKaiGai Kohei	depends on JFFS2_FS_XATTR
1263aa98d7cfSKaiGai Kohei	default y
1264aa98d7cfSKaiGai Kohei	help
1265aa98d7cfSKaiGai Kohei	  Security labels support alternative access control models
1266aa98d7cfSKaiGai Kohei	  implemented by security modules like SELinux.  This option
1267aa98d7cfSKaiGai Kohei	  enables an extended attribute handler for file security
1268aa98d7cfSKaiGai Kohei	  labels in the jffs2 filesystem.
1269aa98d7cfSKaiGai Kohei
1270aa98d7cfSKaiGai Kohei	  If you are not using a security module that requires using
1271aa98d7cfSKaiGai Kohei	  extended attributes for file security labels, say N.
1272aa98d7cfSKaiGai Kohei
12731da177e4SLinus Torvaldsconfig JFFS2_COMPRESSION_OPTIONS
12741da177e4SLinus Torvalds	bool "Advanced compression options for JFFS2"
12751da177e4SLinus Torvalds	depends on JFFS2_FS
12761da177e4SLinus Torvalds	default n
12771da177e4SLinus Torvalds	help
12781da177e4SLinus Torvalds	  Enabling this option allows you to explicitly choose which
12791da177e4SLinus Torvalds	  compression modules, if any, are enabled in JFFS2. Removing
12809e2de407SUwe Kleine-König	  compressors can mean you cannot read existing file systems,
12811da177e4SLinus Torvalds	  and enabling experimental compressors can mean that you
12821da177e4SLinus Torvalds	  write a file system which cannot be read by a standard kernel.
12831da177e4SLinus Torvalds
12841da177e4SLinus Torvalds	  If unsure, you should _definitely_ say 'N'.
12851da177e4SLinus Torvalds
12861da177e4SLinus Torvaldsconfig JFFS2_ZLIB
12871da177e4SLinus Torvalds	bool "JFFS2 ZLIB compression support" if JFFS2_COMPRESSION_OPTIONS
12881da177e4SLinus Torvalds	select ZLIB_INFLATE
12891da177e4SLinus Torvalds	select ZLIB_DEFLATE
12901da177e4SLinus Torvalds	depends on JFFS2_FS
12911da177e4SLinus Torvalds	default y
12921da177e4SLinus Torvalds	help
12931da177e4SLinus Torvalds	  Zlib is designed to be a free, general-purpose, legally unencumbered,
12941da177e4SLinus Torvalds	  lossless data-compression library for use on virtually any computer
12951da177e4SLinus Torvalds	  hardware and operating system. See <http://www.gzip.org/zlib/> for
12961da177e4SLinus Torvalds	  further information.
12971da177e4SLinus Torvalds
12981da177e4SLinus Torvalds	  Say 'Y' if unsure.
12991da177e4SLinus Torvalds
1300c799aca3SRichard Purdieconfig JFFS2_LZO
1301c799aca3SRichard Purdie	bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS
1302c799aca3SRichard Purdie	select LZO_COMPRESS
1303c799aca3SRichard Purdie	select LZO_DECOMPRESS
1304c799aca3SRichard Purdie	depends on JFFS2_FS
13053ca135e1SDavid Woodhouse	default n
1306c799aca3SRichard Purdie	help
1307c799aca3SRichard Purdie	  minilzo-based compression. Generally works better than Zlib.
1308c799aca3SRichard Purdie
13093ca135e1SDavid Woodhouse	  This feature was added in July, 2007. Say 'N' if you need
13103ca135e1SDavid Woodhouse	  compatibility with older bootloaders or kernels.
1311c799aca3SRichard Purdie
13121da177e4SLinus Torvaldsconfig JFFS2_RTIME
13131da177e4SLinus Torvalds	bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
13141da177e4SLinus Torvalds	depends on JFFS2_FS
13151da177e4SLinus Torvalds	default y
13161da177e4SLinus Torvalds	help
13171da177e4SLinus Torvalds	  Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
13181da177e4SLinus Torvalds
13191da177e4SLinus Torvaldsconfig JFFS2_RUBIN
13201da177e4SLinus Torvalds	bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS
13211da177e4SLinus Torvalds	depends on JFFS2_FS
13221da177e4SLinus Torvalds	default n
13231da177e4SLinus Torvalds	help
13241da177e4SLinus Torvalds	  RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
13251da177e4SLinus Torvalds
13261da177e4SLinus Torvaldschoice
13271da177e4SLinus Torvalds	prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
13281da177e4SLinus Torvalds	default JFFS2_CMODE_PRIORITY
13291da177e4SLinus Torvalds	depends on JFFS2_FS
13301da177e4SLinus Torvalds	help
13311da177e4SLinus Torvalds	  You can set here the default compression mode of JFFS2 from
13321da177e4SLinus Torvalds	  the available compression modes. Don't touch if unsure.
13331da177e4SLinus Torvalds
13341da177e4SLinus Torvaldsconfig JFFS2_CMODE_NONE
13351da177e4SLinus Torvalds	bool "no compression"
13361da177e4SLinus Torvalds	help
13371da177e4SLinus Torvalds	  Uses no compression.
13381da177e4SLinus Torvalds
13391da177e4SLinus Torvaldsconfig JFFS2_CMODE_PRIORITY
13401da177e4SLinus Torvalds	bool "priority"
13411da177e4SLinus Torvalds	help
1342cc2e2767SMatt LaPlante	  Tries the compressors in a predefined order and chooses the first
13431da177e4SLinus Torvalds	  successful one.
13441da177e4SLinus Torvalds
13451da177e4SLinus Torvaldsconfig JFFS2_CMODE_SIZE
13461da177e4SLinus Torvalds	bool "size (EXPERIMENTAL)"
13471da177e4SLinus Torvalds	help
13481da177e4SLinus Torvalds	  Tries all compressors and chooses the one which has the smallest
13491da177e4SLinus Torvalds	  result.
13501da177e4SLinus Torvalds
13513b23c1f5SRichard Purdieconfig JFFS2_CMODE_FAVOURLZO
13523b23c1f5SRichard Purdie	bool "Favour LZO"
13533b23c1f5SRichard Purdie	help
13543b23c1f5SRichard Purdie	  Tries all compressors and chooses the one which has the smallest
13553b23c1f5SRichard Purdie	  result but gives some preference to LZO (which has faster
13563b23c1f5SRichard Purdie	  decompression) at the expense of size.
13573b23c1f5SRichard Purdie
13581da177e4SLinus Torvaldsendchoice
13591da177e4SLinus Torvalds
13600d7eff87SArtem Bityutskiy# UBIFS File system configuration
13610d7eff87SArtem Bityutskiysource "fs/ubifs/Kconfig"
13620d7eff87SArtem Bityutskiy
13631da177e4SLinus Torvaldsconfig CRAMFS
13641da177e4SLinus Torvalds	tristate "Compressed ROM file system support (cramfs)"
13659361401eSDavid Howells	depends on BLOCK
13661da177e4SLinus Torvalds	select ZLIB_INFLATE
13671da177e4SLinus Torvalds	help
13681da177e4SLinus Torvalds	  Saying Y here includes support for CramFs (Compressed ROM File
13691da177e4SLinus Torvalds	  System).  CramFs is designed to be a simple, small, and compressed
13701da177e4SLinus Torvalds	  file system for ROM based embedded systems.  CramFs is read-only,
13711da177e4SLinus Torvalds	  limited to 256MB file systems (with 16MB files), and doesn't support
13721da177e4SLinus Torvalds	  16/32 bits uid/gid, hard links and timestamps.
13731da177e4SLinus Torvalds
13741da177e4SLinus Torvalds	  See <file:Documentation/filesystems/cramfs.txt> and
13751da177e4SLinus Torvalds	  <file:fs/cramfs/README> for further information.
13761da177e4SLinus Torvalds
13771da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
13781da177e4SLinus Torvalds	  cramfs.  Note that the root file system (the one containing the
13791da177e4SLinus Torvalds	  directory /) cannot be compiled as a module.
13801da177e4SLinus Torvalds
13811da177e4SLinus Torvalds	  If unsure, say N.
13821da177e4SLinus Torvalds
13831da177e4SLinus Torvaldsconfig VXFS_FS
13841da177e4SLinus Torvalds	tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)"
13859361401eSDavid Howells	depends on BLOCK
13861da177e4SLinus Torvalds	help
13871da177e4SLinus Torvalds	  FreeVxFS is a file system driver that support the VERITAS VxFS(TM)
13881da177e4SLinus Torvalds	  file system format.  VERITAS VxFS(TM) is the standard file system
13891da177e4SLinus Torvalds	  of SCO UnixWare (and possibly others) and optionally available
13901da177e4SLinus Torvalds	  for Sunsoft Solaris, HP-UX and many other operating systems.
13911da177e4SLinus Torvalds	  Currently only readonly access is supported.
13921da177e4SLinus Torvalds
13931da177e4SLinus Torvalds	  NOTE: the file system type as used by mount(1), mount(2) and
13941da177e4SLinus Torvalds	  fstab(5) is 'vxfs' as it describes the file system format, not
13951da177e4SLinus Torvalds	  the actual driver.
13961da177e4SLinus Torvalds
13971da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be
13981da177e4SLinus Torvalds	  called freevxfs.  If unsure, say N.
13991da177e4SLinus Torvalds
140025fad945SRandy Dunlapconfig MINIX_FS
140125fad945SRandy Dunlap	tristate "Minix file system support"
140225fad945SRandy Dunlap	depends on BLOCK
140325fad945SRandy Dunlap	help
140425fad945SRandy Dunlap	  Minix is a simple operating system used in many classes about OS's.
140525fad945SRandy Dunlap	  The minix file system (method to organize files on a hard disk
140625fad945SRandy Dunlap	  partition or a floppy disk) was the original file system for Linux,
140725fad945SRandy Dunlap	  but has been superseded by the second extended file system ext2fs.
140825fad945SRandy Dunlap	  You don't want to use the minix file system on your hard disk
140925fad945SRandy Dunlap	  because of certain built-in restrictions, but it is sometimes found
141025fad945SRandy Dunlap	  on older Linux floppy disks.  This option will enlarge your kernel
141125fad945SRandy Dunlap	  by about 28 KB. If unsure, say N.
141225fad945SRandy Dunlap
141325fad945SRandy Dunlap	  To compile this file system support as a module, choose M here: the
141425fad945SRandy Dunlap	  module will be called minix.  Note that the file system of your root
141525fad945SRandy Dunlap	  partition (the one containing the directory /) cannot be compiled as
141625fad945SRandy Dunlap	  a module.
141725fad945SRandy Dunlap
141863ca8ce2SBob Copelandconfig OMFS_FS
141963ca8ce2SBob Copeland	tristate "SonicBlue Optimized MPEG File System support"
142063ca8ce2SBob Copeland	depends on BLOCK
142163ca8ce2SBob Copeland	select CRC_ITU_T
142263ca8ce2SBob Copeland	help
142363ca8ce2SBob Copeland	  This is the proprietary file system used by the Rio Karma music
142463ca8ce2SBob Copeland	  player and ReplayTV DVR.  Despite the name, this filesystem is not
142563ca8ce2SBob Copeland	  more efficient than a standard FS for MPEG files, in fact likely
142663ca8ce2SBob Copeland	  the opposite is true.  Say Y if you have either of these devices
142763ca8ce2SBob Copeland	  and wish to mount its disk.
142863ca8ce2SBob Copeland
142963ca8ce2SBob Copeland	  To compile this file system support as a module, choose M here: the
143063ca8ce2SBob Copeland	  module will be called omfs.  If unsure, say N.
14311da177e4SLinus Torvalds
14321da177e4SLinus Torvaldsconfig HPFS_FS
14331da177e4SLinus Torvalds	tristate "OS/2 HPFS file system support"
14349361401eSDavid Howells	depends on BLOCK
14351da177e4SLinus Torvalds	help
14361da177e4SLinus Torvalds	  OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS
14371da177e4SLinus Torvalds	  is the file system used for organizing files on OS/2 hard disk
14381da177e4SLinus Torvalds	  partitions. Say Y if you want to be able to read files from and
14391da177e4SLinus Torvalds	  write files to an OS/2 HPFS partition on your hard drive. OS/2
14401da177e4SLinus Torvalds	  floppies however are in regular MSDOS format, so you don't need this
14411da177e4SLinus Torvalds	  option in order to be able to read them. Read
14421da177e4SLinus Torvalds	  <file:Documentation/filesystems/hpfs.txt>.
14431da177e4SLinus Torvalds
14441da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
14451da177e4SLinus Torvalds	  module will be called hpfs.  If unsure, say N.
14461da177e4SLinus Torvalds
14471da177e4SLinus Torvalds
14481da177e4SLinus Torvaldsconfig QNX4FS_FS
14491da177e4SLinus Torvalds	tristate "QNX4 file system support (read only)"
14509361401eSDavid Howells	depends on BLOCK
14511da177e4SLinus Torvalds	help
14521da177e4SLinus Torvalds	  This is the file system used by the real-time operating systems
14531da177e4SLinus Torvalds	  QNX 4 and QNX 6 (the latter is also called QNX RTP).
14541da177e4SLinus Torvalds	  Further information is available at <http://www.qnx.com/>.
14551da177e4SLinus Torvalds	  Say Y if you intend to mount QNX hard disks or floppies.
14561da177e4SLinus Torvalds	  Unless you say Y to "QNX4FS read-write support" below, you will
14571da177e4SLinus Torvalds	  only be able to read these file systems.
14581da177e4SLinus Torvalds
14591da177e4SLinus Torvalds	  To compile this file system support as a module, choose M here: the
14601da177e4SLinus Torvalds	  module will be called qnx4.
14611da177e4SLinus Torvalds
14621da177e4SLinus Torvalds	  If you don't know whether you need it, then you don't need it:
14631da177e4SLinus Torvalds	  answer N.
14641da177e4SLinus Torvalds
14651da177e4SLinus Torvaldsconfig QNX4FS_RW
14661da177e4SLinus Torvalds	bool "QNX4FS write support (DANGEROUS)"
14671da177e4SLinus Torvalds	depends on QNX4FS_FS && EXPERIMENTAL && BROKEN
14681da177e4SLinus Torvalds	help
14691da177e4SLinus Torvalds	  Say Y if you want to test write support for QNX4 file systems.
14701da177e4SLinus Torvalds
14711da177e4SLinus Torvalds	  It's currently broken, so for now:
14721da177e4SLinus Torvalds	  answer N.
14731da177e4SLinus Torvalds
147425fad945SRandy Dunlapconfig ROMFS_FS
147525fad945SRandy Dunlap	tristate "ROM file system support"
147625fad945SRandy Dunlap	depends on BLOCK
147725fad945SRandy Dunlap	---help---
147825fad945SRandy Dunlap	  This is a very small read-only file system mainly intended for
147925fad945SRandy Dunlap	  initial ram disks of installation disks, but it could be used for
148025fad945SRandy Dunlap	  other read-only media as well.  Read
148125fad945SRandy Dunlap	  <file:Documentation/filesystems/romfs.txt> for details.
148225fad945SRandy Dunlap
148325fad945SRandy Dunlap	  To compile this file system support as a module, choose M here: the
148425fad945SRandy Dunlap	  module will be called romfs.  Note that the file system of your
148525fad945SRandy Dunlap	  root partition (the one containing the directory /) cannot be a
148625fad945SRandy Dunlap	  module.
148725fad945SRandy Dunlap
148825fad945SRandy Dunlap	  If you don't know whether you need it, then you don't need it:
148925fad945SRandy Dunlap	  answer N.
14901da177e4SLinus Torvalds
14911da177e4SLinus Torvalds
14921da177e4SLinus Torvaldsconfig SYSV_FS
14931da177e4SLinus Torvalds	tristate "System V/Xenix/V7/Coherent file system support"
14949361401eSDavid Howells	depends on BLOCK
14951da177e4SLinus Torvalds	help
14961da177e4SLinus Torvalds	  SCO, Xenix and Coherent are commercial Unix systems for Intel
14971da177e4SLinus Torvalds	  machines, and Version 7 was used on the DEC PDP-11. Saying Y
14981da177e4SLinus Torvalds	  here would allow you to read from their floppies and hard disk
14991da177e4SLinus Torvalds	  partitions.
15001da177e4SLinus Torvalds
15011da177e4SLinus Torvalds	  If you have floppies or hard disk partitions like that, it is likely
15021da177e4SLinus Torvalds	  that they contain binaries from those other Unix systems; in order
1503cab00891SMatt LaPlante	  to run these binaries, you will want to install linux-abi which is
15041da177e4SLinus Torvalds	  a set of kernel modules that lets you run SCO, Xenix, Wyse,
15051da177e4SLinus Torvalds	  UnixWare, Dell Unix and System V programs under Linux.  It is
15061da177e4SLinus Torvalds	  available via FTP (user: ftp) from
15071da177e4SLinus Torvalds	  <ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>).
15081da177e4SLinus Torvalds	  NOTE: that will work only for binaries from Intel-based systems;
15091da177e4SLinus Torvalds	  PDP ones will have to wait until somebody ports Linux to -11 ;-)
15101da177e4SLinus Torvalds
15111da177e4SLinus Torvalds	  If you only intend to mount files from some other Unix over the
15121da177e4SLinus Torvalds	  network using NFS, you don't need the System V file system support
15131da177e4SLinus Torvalds	  (but you need NFS file system support obviously).
15141da177e4SLinus Torvalds
15151da177e4SLinus Torvalds	  Note that this option is generally not needed for floppies, since a
15161da177e4SLinus Torvalds	  good portable way to transport files and directories between unixes
15171da177e4SLinus Torvalds	  (and even other operating systems) is given by the tar program ("man
15181da177e4SLinus Torvalds	  tar" or preferably "info tar").  Note also that this option has
15191da177e4SLinus Torvalds	  nothing whatsoever to do with the option "System V IPC". Read about
15201da177e4SLinus Torvalds	  the System V file system in
15211da177e4SLinus Torvalds	  <file:Documentation/filesystems/sysv-fs.txt>.
15221da177e4SLinus Torvalds	  Saying Y here will enlarge your kernel by about 27 KB.
15231da177e4SLinus Torvalds
15241da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
15251da177e4SLinus Torvalds	  sysv.
15261da177e4SLinus Torvalds
15271da177e4SLinus Torvalds	  If you haven't heard about all of this before, it's safe to say N.
15281da177e4SLinus Torvalds
15291da177e4SLinus Torvalds
15301da177e4SLinus Torvaldsconfig UFS_FS
15311da177e4SLinus Torvalds	tristate "UFS file system support (read only)"
15329361401eSDavid Howells	depends on BLOCK
15331da177e4SLinus Torvalds	help
15341da177e4SLinus Torvalds	  BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD,
15351da177e4SLinus Torvalds	  OpenBSD and NeXTstep) use a file system called UFS. Some System V
15361da177e4SLinus Torvalds	  Unixes can create and mount hard disk partitions and diskettes using
15371da177e4SLinus Torvalds	  this file system as well. Saying Y here will allow you to read from
15381da177e4SLinus Torvalds	  these partitions; if you also want to write to them, say Y to the
15391da177e4SLinus Torvalds	  experimental "UFS file system write support", below. Please read the
15401da177e4SLinus Torvalds	  file <file:Documentation/filesystems/ufs.txt> for more information.
15411da177e4SLinus Torvalds
15421da177e4SLinus Torvalds          The recently released UFS2 variant (used in FreeBSD 5.x) is
15431da177e4SLinus Torvalds          READ-ONLY supported.
15441da177e4SLinus Torvalds
15451da177e4SLinus Torvalds	  Note that this option is generally not needed for floppies, since a
15461da177e4SLinus Torvalds	  good portable way to transport files and directories between unixes
15471da177e4SLinus Torvalds	  (and even other operating systems) is given by the tar program ("man
15481da177e4SLinus Torvalds	  tar" or preferably "info tar").
15491da177e4SLinus Torvalds
15501da177e4SLinus Torvalds	  When accessing NeXTstep files, you may need to convert them from the
15511da177e4SLinus Torvalds	  NeXT character set to the Latin1 character set; use the program
15521da177e4SLinus Torvalds	  recode ("info recode") for this purpose.
15531da177e4SLinus Torvalds
15541da177e4SLinus Torvalds	  To compile the UFS file system support as a module, choose M here: the
15551da177e4SLinus Torvalds	  module will be called ufs.
15561da177e4SLinus Torvalds
15571da177e4SLinus Torvalds	  If you haven't heard about all of this before, it's safe to say N.
15581da177e4SLinus Torvalds
15591da177e4SLinus Torvaldsconfig UFS_FS_WRITE
15601da177e4SLinus Torvalds	bool "UFS file system write support (DANGEROUS)"
15615afb3145SEvgeniy Dushistov	depends on UFS_FS && EXPERIMENTAL
15621da177e4SLinus Torvalds	help
15631da177e4SLinus Torvalds	  Say Y here if you want to try writing to UFS partitions. This is
15641da177e4SLinus Torvalds	  experimental, so you should back up your UFS partitions beforehand.
15651da177e4SLinus Torvalds
1566abf5d15fSEvgeniy Dushistovconfig UFS_DEBUG
1567abf5d15fSEvgeniy Dushistov	bool "UFS debugging"
1568abf5d15fSEvgeniy Dushistov	depends on UFS_FS
1569abf5d15fSEvgeniy Dushistov	help
1570abf5d15fSEvgeniy Dushistov	  If you are experiencing any problems with the UFS filesystem, say
1571abf5d15fSEvgeniy Dushistov	  Y here.  This will result in _many_ additional debugging messages to be
1572abf5d15fSEvgeniy Dushistov	  written to the system log.
1573abf5d15fSEvgeniy Dushistov
15741da177e4SLinus Torvaldsendmenu
15751da177e4SLinus Torvalds
1576ea0985adSJan Engelhardtmenuconfig NETWORK_FILESYSTEMS
1577ea0985adSJan Engelhardt	bool "Network File Systems"
1578ea0985adSJan Engelhardt	default y
15791da177e4SLinus Torvalds	depends on NET
1580ea0985adSJan Engelhardt	---help---
1581ea0985adSJan Engelhardt	  Say Y here to get to see options for network filesystems and
1582ea0985adSJan Engelhardt	  filesystem-related networking code, such as NFS daemon and
1583ea0985adSJan Engelhardt	  RPCSEC security modules.
15846fb1bc10SChuck Lever
1585ea0985adSJan Engelhardt	  This option alone does not add any kernel code.
1586ea0985adSJan Engelhardt
1587ea0985adSJan Engelhardt	  If you say N, all options in this submenu will be skipped and
1588ea0985adSJan Engelhardt	  disabled; if unsure, say Y here.
1589ea0985adSJan Engelhardt
1590ea0985adSJan Engelhardtif NETWORK_FILESYSTEMS
15911da177e4SLinus Torvalds
15921da177e4SLinus Torvaldsconfig NFS_FS
15936fb1bc10SChuck Lever	tristate "NFS client support"
15941da177e4SLinus Torvalds	depends on INET
15951da177e4SLinus Torvalds	select LOCKD
15961da177e4SLinus Torvalds	select SUNRPC
1597b7fa0554SAndreas Gruenbacher	select NFS_ACL_SUPPORT if NFS_V3_ACL
15981da177e4SLinus Torvalds	help
15996fb1bc10SChuck Lever	  Choose Y here if you want to access files residing on other
16006fb1bc10SChuck Lever	  computers using Sun's Network File System protocol.  To compile
16016fb1bc10SChuck Lever	  this file system support as a module, choose M here: the module
16026fb1bc10SChuck Lever	  will be called nfs.
16031da177e4SLinus Torvalds
16046fb1bc10SChuck Lever	  To mount file systems exported by NFS servers, you also need to
16056fb1bc10SChuck Lever	  install the user space mount.nfs command which can be found in
16066fb1bc10SChuck Lever	  the Linux nfs-utils package, available from http://linux-nfs.org/.
16076fb1bc10SChuck Lever	  Information about using the mount command is available in the
16086fb1bc10SChuck Lever	  mount(8) man page.  More detail about the Linux NFS client
16096fb1bc10SChuck Lever	  implementation is available via the nfs(5) man page.
16101da177e4SLinus Torvalds
16116fb1bc10SChuck Lever	  Below you can choose which versions of the NFS protocol are
16126fb1bc10SChuck Lever	  available in the kernel to mount NFS servers.  Support for NFS
16136fb1bc10SChuck Lever	  version 2 (RFC 1094) is always available when NFS_FS is selected.
16141da177e4SLinus Torvalds
16156fb1bc10SChuck Lever	  To configure a system which mounts its root file system via NFS
16166fb1bc10SChuck Lever	  at boot time, say Y here, select "Kernel level IP
16176fb1bc10SChuck Lever	  autoconfiguration" in the NETWORK menu, and select "Root file
16186fb1bc10SChuck Lever	  system on NFS" below.  You cannot compile this file system as a
16196fb1bc10SChuck Lever	  module in this case.
16201da177e4SLinus Torvalds
16216fb1bc10SChuck Lever	  If unsure, say N.
16221da177e4SLinus Torvalds
16231da177e4SLinus Torvaldsconfig NFS_V3
16246fb1bc10SChuck Lever	bool "NFS client support for NFS version 3"
16251da177e4SLinus Torvalds	depends on NFS_FS
16261da177e4SLinus Torvalds	help
16276fb1bc10SChuck Lever	  This option enables support for version 3 of the NFS protocol
16286fb1bc10SChuck Lever	  (RFC 1813) in the kernel's NFS client.
16291da177e4SLinus Torvalds
16301da177e4SLinus Torvalds	  If unsure, say Y.
16311da177e4SLinus Torvalds
1632b7fa0554SAndreas Gruenbacherconfig NFS_V3_ACL
16336fb1bc10SChuck Lever	bool "NFS client support for the NFSv3 ACL protocol extension"
1634b7fa0554SAndreas Gruenbacher	depends on NFS_V3
1635b7fa0554SAndreas Gruenbacher	help
16366fb1bc10SChuck Lever	  Some NFS servers support an auxiliary NFSv3 ACL protocol that
16376fb1bc10SChuck Lever	  Sun added to Solaris but never became an official part of the
16386fb1bc10SChuck Lever	  NFS version 3 protocol.  This protocol extension allows
16396fb1bc10SChuck Lever	  applications on NFS clients to manipulate POSIX Access Control
16406fb1bc10SChuck Lever	  Lists on files residing on NFS servers.  NFS servers enforce
16416fb1bc10SChuck Lever	  ACLs on local files whether this protocol is available or not.
16426fb1bc10SChuck Lever
16436fb1bc10SChuck Lever	  Choose Y here if your NFS server supports the Solaris NFSv3 ACL
16446fb1bc10SChuck Lever	  protocol extension and you want your NFS client to allow
16456fb1bc10SChuck Lever	  applications to access and modify ACLs on files on the server.
16466fb1bc10SChuck Lever
16476fb1bc10SChuck Lever	  Most NFS servers don't support the Solaris NFSv3 ACL protocol
16486fb1bc10SChuck Lever	  extension.  You can choose N here or specify the "noacl" mount
16496fb1bc10SChuck Lever	  option to prevent your NFS client from trying to use the NFSv3
16506fb1bc10SChuck Lever	  ACL protocol.
1651b7fa0554SAndreas Gruenbacher
1652b7fa0554SAndreas Gruenbacher	  If unsure, say N.
1653b7fa0554SAndreas Gruenbacher
16541da177e4SLinus Torvaldsconfig NFS_V4
16556fb1bc10SChuck Lever	bool "NFS client support for NFS version 4 (EXPERIMENTAL)"
16561da177e4SLinus Torvalds	depends on NFS_FS && EXPERIMENTAL
16571da177e4SLinus Torvalds	select RPCSEC_GSS_KRB5
16581da177e4SLinus Torvalds	help
16596fb1bc10SChuck Lever	  This option enables support for version 4 of the NFS protocol
16606fb1bc10SChuck Lever	  (RFC 3530) in the kernel's NFS client.
16611da177e4SLinus Torvalds
16626fb1bc10SChuck Lever	  To mount NFS servers using NFSv4, you also need to install user
16636fb1bc10SChuck Lever	  space programs which can be found in the Linux nfs-utils package,
16646fb1bc10SChuck Lever	  available from http://linux-nfs.org/.
16651da177e4SLinus Torvalds
16661da177e4SLinus Torvalds	  If unsure, say N.
16671da177e4SLinus Torvalds
16686fb1bc10SChuck Leverconfig ROOT_NFS
16696fb1bc10SChuck Lever	bool "Root file system on NFS"
16706fb1bc10SChuck Lever	depends on NFS_FS=y && IP_PNP
16716fb1bc10SChuck Lever	help
16726fb1bc10SChuck Lever	  If you want your system to mount its root file system via NFS,
16736fb1bc10SChuck Lever	  choose Y here.  This is common practice for managing systems
16746fb1bc10SChuck Lever	  without local permanent storage.  For details, read
16756fb1bc10SChuck Lever	  <file:Documentation/filesystems/nfsroot.txt>.
16766fb1bc10SChuck Lever
16776fb1bc10SChuck Lever	  Most people say N here.
16786fb1bc10SChuck Lever
16791da177e4SLinus Torvaldsconfig NFSD
16801da177e4SLinus Torvalds	tristate "NFS server support"
16811da177e4SLinus Torvalds	depends on INET
16821da177e4SLinus Torvalds	select LOCKD
16831da177e4SLinus Torvalds	select SUNRPC
16841da177e4SLinus Torvalds	select EXPORTFS
1685f05e15b5SHerbert Xu	select NFS_ACL_SUPPORT if NFSD_V2_ACL
16861da177e4SLinus Torvalds	help
1687d24455b5SChuck Lever	  Choose Y here if you want to allow other computers to access
1688d24455b5SChuck Lever	  files residing on this system using Sun's Network File System
1689d24455b5SChuck Lever	  protocol.  To compile the NFS server support as a module,
1690d24455b5SChuck Lever	  choose M here: the module will be called nfsd.
16911da177e4SLinus Torvalds
1692d24455b5SChuck Lever	  You may choose to use a user-space NFS server instead, in which
1693d24455b5SChuck Lever	  case you can choose N here.
16941da177e4SLinus Torvalds
1695d24455b5SChuck Lever	  To export local file systems using NFS, you also need to install
1696d24455b5SChuck Lever	  user space programs which can be found in the Linux nfs-utils
1697d24455b5SChuck Lever	  package, available from http://linux-nfs.org/.  More detail about
1698d24455b5SChuck Lever	  the Linux NFS server implementation is available via the
1699d24455b5SChuck Lever	  exports(5) man page.
17001da177e4SLinus Torvalds
1701d24455b5SChuck Lever	  Below you can choose which versions of the NFS protocol are
1702d24455b5SChuck Lever	  available to clients mounting the NFS server on this system.
1703d24455b5SChuck Lever	  Support for NFS version 2 (RFC 1094) is always available when
1704d24455b5SChuck Lever	  CONFIG_NFSD is selected.
17051da177e4SLinus Torvalds
1706d24455b5SChuck Lever	  If unsure, say N.
17071da177e4SLinus Torvalds
1708a257cdd0SAndreas Gruenbacherconfig NFSD_V2_ACL
1709a257cdd0SAndreas Gruenbacher	bool
1710a257cdd0SAndreas Gruenbacher	depends on NFSD
1711a257cdd0SAndreas Gruenbacher
17121da177e4SLinus Torvaldsconfig NFSD_V3
1713d24455b5SChuck Lever	bool "NFS server support for NFS version 3"
17141da177e4SLinus Torvalds	depends on NFSD
17151da177e4SLinus Torvalds	help
1716d24455b5SChuck Lever	  This option enables support in your system's NFS server for
1717d24455b5SChuck Lever	  version 3 of the NFS protocol (RFC 1813).
1718d24455b5SChuck Lever
1719d24455b5SChuck Lever	  If unsure, say Y.
17201da177e4SLinus Torvalds
1721a257cdd0SAndreas Gruenbacherconfig NFSD_V3_ACL
1722d24455b5SChuck Lever	bool "NFS server support for the NFSv3 ACL protocol extension"
1723a257cdd0SAndreas Gruenbacher	depends on NFSD_V3
172478dd0992SChuck Lever	select NFSD_V2_ACL
1725a257cdd0SAndreas Gruenbacher	help
1726d24455b5SChuck Lever	  Solaris NFS servers support an auxiliary NFSv3 ACL protocol that
1727d24455b5SChuck Lever	  never became an official part of the NFS version 3 protocol.
1728d24455b5SChuck Lever	  This protocol extension allows applications on NFS clients to
1729d24455b5SChuck Lever	  manipulate POSIX Access Control Lists on files residing on NFS
1730d24455b5SChuck Lever	  servers.  NFS servers enforce POSIX ACLs on local files whether
1731d24455b5SChuck Lever	  this protocol is available or not.
1732d24455b5SChuck Lever
1733d24455b5SChuck Lever	  This option enables support in your system's NFS server for the
1734d24455b5SChuck Lever	  NFSv3 ACL protocol extension allowing NFS clients to manipulate
1735d24455b5SChuck Lever	  POSIX ACLs on files exported by your system's NFS server.  NFS
1736d24455b5SChuck Lever	  clients which support the Solaris NFSv3 ACL protocol can then
1737d24455b5SChuck Lever	  access and modify ACLs on your NFS server.
1738d24455b5SChuck Lever
1739d24455b5SChuck Lever	  To store ACLs on your NFS server, you also need to enable ACL-
1740d24455b5SChuck Lever	  related CONFIG options for your local file systems of choice.
1741d24455b5SChuck Lever
1742d24455b5SChuck Lever	  If unsure, say N.
1743a257cdd0SAndreas Gruenbacher
17441da177e4SLinus Torvaldsconfig NFSD_V4
1745d24455b5SChuck Lever	bool "NFS server support for NFS version 4 (EXPERIMENTAL)"
17461a448fdbSChuck Lever	depends on NFSD && PROC_FS && EXPERIMENTAL
17471a448fdbSChuck Lever	select NFSD_V3
174889206955SChuck Lever	select FS_POSIX_ACL
174942ed95c4SJ. Bruce Fields	select RPCSEC_GSS_KRB5
17501da177e4SLinus Torvalds	help
1751d24455b5SChuck Lever	  This option enables support in your system's NFS server for
1752d24455b5SChuck Lever	  version 4 of the NFS protocol (RFC 3530).
1753d24455b5SChuck Lever
1754d24455b5SChuck Lever	  To export files using NFSv4, you need to install additional user
1755d24455b5SChuck Lever	  space programs which can be found in the Linux nfs-utils package,
1756d24455b5SChuck Lever	  available from http://linux-nfs.org/.
1757d24455b5SChuck Lever
17581da177e4SLinus Torvalds	  If unsure, say N.
17591da177e4SLinus Torvalds
17601da177e4SLinus Torvaldsconfig LOCKD
17611da177e4SLinus Torvalds	tristate
17621da177e4SLinus Torvalds
17631da177e4SLinus Torvaldsconfig LOCKD_V4
17641da177e4SLinus Torvalds	bool
17651da177e4SLinus Torvalds	depends on NFSD_V3 || NFS_V3
17661da177e4SLinus Torvalds	default y
17671da177e4SLinus Torvalds
17681da177e4SLinus Torvaldsconfig EXPORTFS
17691da177e4SLinus Torvalds	tristate
17701da177e4SLinus Torvalds
1771a257cdd0SAndreas Gruenbacherconfig NFS_ACL_SUPPORT
1772a257cdd0SAndreas Gruenbacher	tristate
1773a257cdd0SAndreas Gruenbacher	select FS_POSIX_ACL
1774a257cdd0SAndreas Gruenbacher
1775a257cdd0SAndreas Gruenbacherconfig NFS_COMMON
1776a257cdd0SAndreas Gruenbacher	bool
1777a257cdd0SAndreas Gruenbacher	depends on NFSD || NFS_FS
1778a257cdd0SAndreas Gruenbacher	default y
1779a257cdd0SAndreas Gruenbacher
17801da177e4SLinus Torvaldsconfig SUNRPC
17811da177e4SLinus Torvalds	tristate
17821da177e4SLinus Torvalds
17831da177e4SLinus Torvaldsconfig SUNRPC_GSS
17841da177e4SLinus Torvalds	tristate
17851da177e4SLinus Torvalds
1786c3a57ed7S\"Talpey, Thomas\config SUNRPC_XPRT_RDMA
17873211e4ebSJames Lentini	tristate
1788113632d0S\"Talpey, Thomas\	depends on SUNRPC && INFINIBAND && EXPERIMENTAL
17893211e4ebSJames Lentini	default SUNRPC && INFINIBAND
1790327a299dSChuck Lever	help
1791327a299dSChuck Lever	  This option enables an RPC client transport capability that
1792327a299dSChuck Lever	  allows the NFS client to mount servers via an RDMA-enabled
1793327a299dSChuck Lever	  transport.
1794327a299dSChuck Lever
1795327a299dSChuck Lever	  To compile RPC client RDMA transport support as a module,
1796327a299dSChuck Lever	  choose M here: the module will be called xprtrdma.
1797327a299dSChuck Lever
1798327a299dSChuck Lever	  If unsure, say N.
1799c3a57ed7S\"Talpey, Thomas\
1800a26cfad6SChuck Leverconfig SUNRPC_REGISTER_V4
1801a26cfad6SChuck Lever	bool "Register local RPC services via rpcbind v4 (EXPERIMENTAL)"
1802a26cfad6SChuck Lever	depends on SUNRPC && EXPERIMENTAL
1803a26cfad6SChuck Lever	default n
1804a26cfad6SChuck Lever	help
1805a26cfad6SChuck Lever	  Sun added support for registering RPC services at an IPv6
1806a26cfad6SChuck Lever	  address by creating two new versions of the rpcbind protocol
1807a26cfad6SChuck Lever	  (RFC 1833).
1808a26cfad6SChuck Lever
1809a26cfad6SChuck Lever	  This option enables support in the kernel RPC server for
1810a26cfad6SChuck Lever	  registering kernel RPC services via version 4 of the rpcbind
1811a26cfad6SChuck Lever	  protocol.  If you enable this option, you must run a portmapper
1812a26cfad6SChuck Lever	  daemon that supports rpcbind protocol version 4.
1813a26cfad6SChuck Lever
1814a26cfad6SChuck Lever	  Serving NFS over IPv6 from knfsd (the kernel's NFS server)
1815a26cfad6SChuck Lever	  requires that you enable this option and use a portmapper that
1816a26cfad6SChuck Lever	  supports rpcbind version 4.
1817a26cfad6SChuck Lever
1818a26cfad6SChuck Lever	  If unsure, say N to get traditional behavior (register kernel
1819a26cfad6SChuck Lever	  RPC services using only rpcbind version 2).  Distributions
1820a26cfad6SChuck Lever	  using the legacy Linux portmapper daemon must say N here.
1821a26cfad6SChuck Lever
18221da177e4SLinus Torvaldsconfig RPCSEC_GSS_KRB5
18231da177e4SLinus Torvalds	tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)"
18241da177e4SLinus Torvalds	depends on SUNRPC && EXPERIMENTAL
18251da177e4SLinus Torvalds	select SUNRPC_GSS
18261da177e4SLinus Torvalds	select CRYPTO
18271da177e4SLinus Torvalds	select CRYPTO_MD5
18281da177e4SLinus Torvalds	select CRYPTO_DES
1829bcbaecbbSPatrick McHardy	select CRYPTO_CBC
18301da177e4SLinus Torvalds	help
1831327a299dSChuck Lever	  Choose Y here to enable Secure RPC using the Kerberos version 5
1832327a299dSChuck Lever	  GSS-API mechanism (RFC 1964).
18331da177e4SLinus Torvalds
1834327a299dSChuck Lever	  Secure RPC calls with Kerberos require an auxiliary user-space
1835327a299dSChuck Lever	  daemon which may be found in the Linux nfs-utils package
1836327a299dSChuck Lever	  available from http://linux-nfs.org/.  In addition, user-space
1837327a299dSChuck Lever	  Kerberos support should be installed.
18381da177e4SLinus Torvalds
18391da177e4SLinus Torvalds	  If unsure, say N.
18401da177e4SLinus Torvalds
18411da177e4SLinus Torvaldsconfig RPCSEC_GSS_SPKM3
18421da177e4SLinus Torvalds	tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)"
18431da177e4SLinus Torvalds	depends on SUNRPC && EXPERIMENTAL
18441da177e4SLinus Torvalds	select SUNRPC_GSS
18451da177e4SLinus Torvalds	select CRYPTO
18461da177e4SLinus Torvalds	select CRYPTO_MD5
18471da177e4SLinus Torvalds	select CRYPTO_DES
1848df6db302SJ. Bruce Fields	select CRYPTO_CAST5
1849bcbaecbbSPatrick McHardy	select CRYPTO_CBC
18501da177e4SLinus Torvalds	help
1851327a299dSChuck Lever	  Choose Y here to enable Secure RPC using the SPKM3 public key
1852327a299dSChuck Lever	  GSS-API mechansim (RFC 2025).
18531da177e4SLinus Torvalds
1854327a299dSChuck Lever	  Secure RPC calls with SPKM3 require an auxiliary userspace
1855327a299dSChuck Lever	  daemon which may be found in the Linux nfs-utils package
1856327a299dSChuck Lever	  available from http://linux-nfs.org/.
18571da177e4SLinus Torvalds
18581da177e4SLinus Torvalds	  If unsure, say N.
18591da177e4SLinus Torvalds
18601da177e4SLinus Torvaldsconfig SMB_FS
1861c7736339SAndrew Morton	tristate "SMB file system support (OBSOLETE, please use CIFS)"
18621da177e4SLinus Torvalds	depends on INET
18631da177e4SLinus Torvalds	select NLS
18641da177e4SLinus Torvalds	help
18651da177e4SLinus Torvalds	  SMB (Server Message Block) is the protocol Windows for Workgroups
18661da177e4SLinus Torvalds	  (WfW), Windows 95/98, Windows NT and OS/2 Lan Manager use to share
18671da177e4SLinus Torvalds	  files and printers over local networks.  Saying Y here allows you to
18681da177e4SLinus Torvalds	  mount their file systems (often called "shares" in this context) and
18691da177e4SLinus Torvalds	  access them just like any other Unix directory.  Currently, this
18701da177e4SLinus Torvalds	  works only if the Windows machines use TCP/IP as the underlying
18711da177e4SLinus Torvalds	  transport protocol, and not NetBEUI.  For details, read
18721da177e4SLinus Torvalds	  <file:Documentation/filesystems/smbfs.txt> and the SMB-HOWTO,
18731da177e4SLinus Torvalds	  available from <http://www.tldp.org/docs.html#howto>.
18741da177e4SLinus Torvalds
18751da177e4SLinus Torvalds	  Note: if you just want your box to act as an SMB *server* and make
18761da177e4SLinus Torvalds	  files and printing services available to Windows clients (which need
18771da177e4SLinus Torvalds	  to have a TCP/IP stack), you don't need to say Y here; you can use
18781da177e4SLinus Torvalds	  the program SAMBA (available from <ftp://ftp.samba.org/pub/samba/>)
18791da177e4SLinus Torvalds	  for that.
18801da177e4SLinus Torvalds
18811da177e4SLinus Torvalds	  General information about how to connect Linux, Windows machines and
18821da177e4SLinus Torvalds	  Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>.
18831da177e4SLinus Torvalds
1884c7736339SAndrew Morton	  To compile the SMB support as a module, choose M here:
1885c7736339SAndrew Morton	  the module will be called smbfs.  Most people say N, however.
18861da177e4SLinus Torvalds
18871da177e4SLinus Torvaldsconfig SMB_NLS_DEFAULT
18881da177e4SLinus Torvalds	bool "Use a default NLS"
18891da177e4SLinus Torvalds	depends on SMB_FS
18901da177e4SLinus Torvalds	help
18911da177e4SLinus Torvalds	  Enabling this will make smbfs use nls translations by default. You
18921da177e4SLinus Torvalds	  need to specify the local charset (CONFIG_NLS_DEFAULT) in the nls
18931da177e4SLinus Torvalds	  settings and you need to give the default nls for the SMB server as
18941da177e4SLinus Torvalds	  CONFIG_SMB_NLS_REMOTE.
18951da177e4SLinus Torvalds
18961da177e4SLinus Torvalds	  The nls settings can be changed at mount time, if your smbmount
18971da177e4SLinus Torvalds	  supports that, using the codepage and iocharset parameters.
18981da177e4SLinus Torvalds
18991da177e4SLinus Torvalds	  smbmount from samba 2.2.0 or later supports this.
19001da177e4SLinus Torvalds
19011da177e4SLinus Torvaldsconfig SMB_NLS_REMOTE
19021da177e4SLinus Torvalds	string "Default Remote NLS Option"
19031da177e4SLinus Torvalds	depends on SMB_NLS_DEFAULT
19041da177e4SLinus Torvalds	default "cp437"
19051da177e4SLinus Torvalds	help
19061da177e4SLinus Torvalds	  This setting allows you to specify a default value for which
19071da177e4SLinus Torvalds	  codepage the server uses. If this field is left blank no
19081da177e4SLinus Torvalds	  translations will be done by default. The local codepage/charset
19091da177e4SLinus Torvalds	  default to CONFIG_NLS_DEFAULT.
19101da177e4SLinus Torvalds
19111da177e4SLinus Torvalds	  The nls settings can be changed at mount time, if your smbmount
19121da177e4SLinus Torvalds	  supports that, using the codepage and iocharset parameters.
19131da177e4SLinus Torvalds
19141da177e4SLinus Torvalds	  smbmount from samba 2.2.0 or later supports this.
19151da177e4SLinus Torvalds
19161da177e4SLinus Torvaldsconfig CIFS
1917c7736339SAndrew Morton	tristate "CIFS support (advanced network filesystem, SMBFS successor)"
19181da177e4SLinus Torvalds	depends on INET
19191da177e4SLinus Torvalds	select NLS
19201da177e4SLinus Torvalds	help
19211da177e4SLinus Torvalds	  This is the client VFS module for the Common Internet File System
19221da177e4SLinus Torvalds	  (CIFS) protocol which is the successor to the Server Message Block
19231da177e4SLinus Torvalds	  (SMB) protocol, the native file sharing mechanism for most early
19241da177e4SLinus Torvalds	  PC operating systems.  The CIFS protocol is fully supported by
19251da177e4SLinus Torvalds	  file servers such as Windows 2000 (including Windows 2003, NT 4
19261da177e4SLinus Torvalds	  and Windows XP) as well by Samba (which provides excellent CIFS
1927ec58ef03SSteve French	  server support for Linux and many other operating systems). Limited
19286103335dSSteve French	  support for OS/2 and Windows ME and similar servers is provided as
19296103335dSSteve French	  well.
19301da177e4SLinus Torvalds
19316103335dSSteve French	  The cifs module provides an advanced network file system
19326103335dSSteve French	  client for mounting to CIFS compliant servers.  It includes
19336103335dSSteve French	  support for DFS (hierarchical name space), secure per-user
19346103335dSSteve French	  session establishment via Kerberos or NTLM or NTLMv2,
19356103335dSSteve French	  safe distributed caching (oplock), optional packet
19366103335dSSteve French	  signing, Unicode and other internationalization improvements.
19378af18971SSteve French	  If you need to mount to Samba or Windows from this machine, say Y.
19381da177e4SLinus Torvalds
19391da177e4SLinus Torvaldsconfig CIFS_STATS
19401da177e4SLinus Torvalds        bool "CIFS statistics"
19411da177e4SLinus Torvalds        depends on CIFS
19421da177e4SLinus Torvalds        help
19431da177e4SLinus Torvalds          Enabling this option will cause statistics for each server share
19441da177e4SLinus Torvalds	  mounted by the cifs client to be displayed in /proc/fs/cifs/Stats
19451da177e4SLinus Torvalds
1946ec58ef03SSteve Frenchconfig CIFS_STATS2
19473979877eSSteve French	bool "Extended statistics"
1948ec58ef03SSteve French	depends on CIFS_STATS
1949ec58ef03SSteve French	help
1950ec58ef03SSteve French	  Enabling this option will allow more detailed statistics on SMB
1951ec58ef03SSteve French	  request timing to be displayed in /proc/fs/cifs/DebugData and also
1952ec58ef03SSteve French	  allow optional logging of slow responses to dmesg (depending on the
1953ec58ef03SSteve French	  value of /proc/fs/cifs/cifsFYI, see fs/cifs/README for more details).
1954ec58ef03SSteve French	  These additional statistics may have a minor effect on performance
1955ec58ef03SSteve French	  and memory utilization.
1956ec58ef03SSteve French
1957ec58ef03SSteve French	  Unless you are a developer or are doing network performance analysis
1958ec58ef03SSteve French	  or tuning, say N.
1959ec58ef03SSteve French
19603979877eSSteve Frenchconfig CIFS_WEAK_PW_HASH
19613979877eSSteve French	bool "Support legacy servers which use weaker LANMAN security"
19623979877eSSteve French	depends on CIFS
19633979877eSSteve French	help
19643979877eSSteve French	  Modern CIFS servers including Samba and most Windows versions
19653979877eSSteve French	  (since 1997) support stronger NTLM (and even NTLMv2 and Kerberos)
19663979877eSSteve French	  security mechanisms. These hash the password more securely
19673979877eSSteve French	  than the mechanisms used in the older LANMAN version of the
19686103335dSSteve French	  SMB protocol but LANMAN based authentication is needed to
19696103335dSSteve French	  establish sessions with some old SMB servers.
19703979877eSSteve French
19713979877eSSteve French	  Enabling this option allows the cifs module to mount to older
19723979877eSSteve French	  LANMAN based servers such as OS/2 and Windows 95, but such
19733979877eSSteve French	  mounts may be less secure than mounts using NTLM or more recent
19743979877eSSteve French	  security mechanisms if you are on a public network.  Unless you
19753979877eSSteve French	  have a need to access old SMB servers (and are on a private
19763979877eSSteve French	  network) you probably want to say N.  Even if this support
19776103335dSSteve French	  is enabled in the kernel build, LANMAN authentication will not be
19786103335dSSteve French	  used automatically. At runtime LANMAN mounts are disabled but
19793979877eSSteve French	  can be set to required (or optional) either in
19803979877eSSteve French	  /proc/fs/cifs (see fs/cifs/README for more detail) or via an
19813979877eSSteve French	  option on the mount command. This support is disabled by
19823979877eSSteve French	  default in order to reduce the possibility of a downgrade
19833979877eSSteve French	  attack.
19843979877eSSteve French
19853979877eSSteve French	  If unsure, say N.
19863979877eSSteve French
198796c2a113SSteve Frenchconfig CIFS_UPCALL
198896c2a113SSteve French	  bool "Kerberos/SPNEGO advanced session setup"
198996c2a113SSteve French	  depends on CIFS && KEYS
199096c2a113SSteve French	  help
199196c2a113SSteve French	    Enables an upcall mechanism for CIFS which accesses
199296c2a113SSteve French	    userspace helper utilities to provide SPNEGO packaged (RFC 4178)
199396c2a113SSteve French	    Kerberos tickets which are needed to mount to certain secure servers
199496c2a113SSteve French	    (for which more secure Kerberos authentication is required). If
199596c2a113SSteve French	    unsure, say N.
199696c2a113SSteve French
19971da177e4SLinus Torvaldsconfig CIFS_XATTR
1998ec58ef03SSteve French        bool "CIFS extended attributes"
19991da177e4SLinus Torvalds        depends on CIFS
20001da177e4SLinus Torvalds        help
20011da177e4SLinus Torvalds          Extended attributes are name:value pairs associated with inodes by
20021da177e4SLinus Torvalds          the kernel or by users (see the attr(5) manual page, or visit
20031da177e4SLinus Torvalds          <http://acl.bestbits.at/> for details).  CIFS maps the name of
20041da177e4SLinus Torvalds          extended attributes beginning with the user namespace prefix
20051da177e4SLinus Torvalds          to SMB/CIFS EAs. EAs are stored on Windows servers without the
20061da177e4SLinus Torvalds          user namespace prefix, but their names are seen by Linux cifs clients
20071da177e4SLinus Torvalds          prefaced by the user namespace prefix. The system namespace
20081da177e4SLinus Torvalds          (used by some filesystems to store ACLs) is not supported at
20091da177e4SLinus Torvalds          this time.
20101da177e4SLinus Torvalds
20111da177e4SLinus Torvalds          If unsure, say N.
20121da177e4SLinus Torvalds
20131da177e4SLinus Torvaldsconfig CIFS_POSIX
2014ec58ef03SSteve French        bool "CIFS POSIX Extensions"
20151da177e4SLinus Torvalds        depends on CIFS_XATTR
20161da177e4SLinus Torvalds        help
20171da177e4SLinus Torvalds          Enabling this option will cause the cifs client to attempt to
20181da177e4SLinus Torvalds	  negotiate a newer dialect with servers, such as Samba 3.0.5
20191da177e4SLinus Torvalds	  or later, that optionally can handle more POSIX like (rather
20201da177e4SLinus Torvalds	  than Windows like) file behavior.  It also enables
20211da177e4SLinus Torvalds	  support for POSIX ACLs (getfacl and setfacl) to servers
20221da177e4SLinus Torvalds	  (such as Samba 3.10 and later) which can negotiate
20231da177e4SLinus Torvalds	  CIFS POSIX ACL support.  If unsure, say N.
20241da177e4SLinus Torvalds
20253979877eSSteve Frenchconfig CIFS_DEBUG2
20263856a9d4SSteve French	bool "Enable additional CIFS debugging routines"
20278ba10ab1SSteve French	depends on CIFS
20283979877eSSteve French	help
20293979877eSSteve French	   Enabling this option adds a few more debugging routines
20303979877eSSteve French	   to the cifs code which slightly increases the size of
20313979877eSSteve French	   the cifs module and can cause additional logging of debug
20323979877eSSteve French	   messages in some error paths, slowing performance. This
20333979877eSSteve French	   option can be turned off unless you are debugging
20343979877eSSteve French	   cifs problems.  If unsure, say N.
20353979877eSSteve French
20361da177e4SLinus Torvaldsconfig CIFS_EXPERIMENTAL
20371da177e4SLinus Torvalds	  bool "CIFS Experimental Features (EXPERIMENTAL)"
2038cb9dbff9SSteve French	  depends on CIFS && EXPERIMENTAL
20391da177e4SLinus Torvalds	  help
2040ec58ef03SSteve French	    Enables cifs features under testing. These features are
20418af18971SSteve French	    experimental and currently include DFS support and directory
20428af18971SSteve French	    change notification ie fcntl(F_DNOTIFY), as well as the upcall
20438af18971SSteve French	    mechanism which will be used for Kerberos session negotiation
20448af18971SSteve French	    and uid remapping.  Some of these features also may depend on
20458af18971SSteve French	    setting a value of 1 to the pseudo-file /proc/fs/cifs/Experimental
20468af18971SSteve French	    (which is disabled by default). See the file fs/cifs/README
20478af18971SSteve French	    for more details.  If unsure, say N.
20481da177e4SLinus Torvalds
20496103335dSSteve Frenchconfig CIFS_DFS_UPCALL
20506103335dSSteve French	  bool "DFS feature support (EXPERIMENTAL)"
20516103335dSSteve French	  depends on CIFS_EXPERIMENTAL
20526103335dSSteve French	  depends on KEYS
20536103335dSSteve French	  help
20546103335dSSteve French	    Enables an upcall mechanism for CIFS which contacts userspace
20556103335dSSteve French	    helper utilities to provide server name resolution (host names to
20566103335dSSteve French	    IP addresses) which is needed for implicit mounts of DFS junction
20576103335dSSteve French	    points. If unsure, say N.
20586103335dSSteve French
20591da177e4SLinus Torvaldsconfig NCP_FS
20601da177e4SLinus Torvalds	tristate "NCP file system support (to mount NetWare volumes)"
20611da177e4SLinus Torvalds	depends on IPX!=n || INET
20621da177e4SLinus Torvalds	help
20631da177e4SLinus Torvalds	  NCP (NetWare Core Protocol) is a protocol that runs over IPX and is
20641da177e4SLinus Torvalds	  used by Novell NetWare clients to talk to file servers.  It is to
20651da177e4SLinus Torvalds	  IPX what NFS is to TCP/IP, if that helps.  Saying Y here allows you
20661da177e4SLinus Torvalds	  to mount NetWare file server volumes and to access them just like
20671da177e4SLinus Torvalds	  any other Unix directory.  For details, please read the file
20681da177e4SLinus Torvalds	  <file:Documentation/filesystems/ncpfs.txt> in the kernel source and
20691da177e4SLinus Torvalds	  the IPX-HOWTO from <http://www.tldp.org/docs.html#howto>.
20701da177e4SLinus Torvalds
20711da177e4SLinus Torvalds	  You do not have to say Y here if you want your Linux box to act as a
20721da177e4SLinus Torvalds	  file *server* for Novell NetWare clients.
20731da177e4SLinus Torvalds
20741da177e4SLinus Torvalds	  General information about how to connect Linux, Windows machines and
20751da177e4SLinus Torvalds	  Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>.
20761da177e4SLinus Torvalds
20771da177e4SLinus Torvalds	  To compile this as a module, choose M here: the module will be called
20781da177e4SLinus Torvalds	  ncpfs.  Say N unless you are connected to a Novell network.
20791da177e4SLinus Torvalds
20801da177e4SLinus Torvaldssource "fs/ncpfs/Kconfig"
20811da177e4SLinus Torvalds
20821da177e4SLinus Torvaldsconfig CODA_FS
20831da177e4SLinus Torvalds	tristate "Coda file system support (advanced network fs)"
20841da177e4SLinus Torvalds	depends on INET
20851da177e4SLinus Torvalds	help
20861da177e4SLinus Torvalds	  Coda is an advanced network file system, similar to NFS in that it
20871da177e4SLinus Torvalds	  enables you to mount file systems of a remote server and access them
20881da177e4SLinus Torvalds	  with regular Unix commands as if they were sitting on your hard
20891da177e4SLinus Torvalds	  disk.  Coda has several advantages over NFS: support for
20901da177e4SLinus Torvalds	  disconnected operation (e.g. for laptops), read/write server
20911da177e4SLinus Torvalds	  replication, security model for authentication and encryption,
20921da177e4SLinus Torvalds	  persistent client caches and write back caching.
20931da177e4SLinus Torvalds
20941da177e4SLinus Torvalds	  If you say Y here, your Linux box will be able to act as a Coda
20951da177e4SLinus Torvalds	  *client*.  You will need user level code as well, both for the
20961da177e4SLinus Torvalds	  client and server.  Servers are currently user level, i.e. they need
20971da177e4SLinus Torvalds	  no kernel support.  Please read
20981da177e4SLinus Torvalds	  <file:Documentation/filesystems/coda.txt> and check out the Coda
20991da177e4SLinus Torvalds	  home page <http://www.coda.cs.cmu.edu/>.
21001da177e4SLinus Torvalds
21011da177e4SLinus Torvalds	  To compile the coda client support as a module, choose M here: the
21021da177e4SLinus Torvalds	  module will be called coda.
21031da177e4SLinus Torvalds
21041da177e4SLinus Torvaldsconfig AFS_FS
210564aaa4f8SDavid Howells	tristate "Andrew File System support (AFS) (EXPERIMENTAL)"
21061da177e4SLinus Torvalds	depends on INET && EXPERIMENTAL
210708e0e7c8SDavid Howells	select AF_RXRPC
21081da177e4SLinus Torvalds	help
21091da177e4SLinus Torvalds	  If you say Y here, you will get an experimental Andrew File System
21101da177e4SLinus Torvalds	  driver. It currently only supports unsecured read-only AFS access.
21111da177e4SLinus Torvalds
2112cc2e2767SMatt LaPlante	  See <file:Documentation/filesystems/afs.txt> for more information.
21131da177e4SLinus Torvalds
21141da177e4SLinus Torvalds	  If unsure, say N.
21151da177e4SLinus Torvalds
211608e0e7c8SDavid Howellsconfig AFS_DEBUG
211708e0e7c8SDavid Howells	bool "AFS dynamic debugging"
211808e0e7c8SDavid Howells	depends on AFS_FS
211908e0e7c8SDavid Howells	help
212008e0e7c8SDavid Howells	  Say Y here to make runtime controllable debugging messages appear.
212108e0e7c8SDavid Howells
212208e0e7c8SDavid Howells	  See <file:Documentation/filesystems/afs.txt> for more information.
212308e0e7c8SDavid Howells
212408e0e7c8SDavid Howells	  If unsure, say N.
212508e0e7c8SDavid Howells
212693fa58cbSEric Van Hensbergenconfig 9P_FS
212793fa58cbSEric Van Hensbergen	tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)"
2128bd238fb4SLatchesar Ionkov	depends on INET && NET_9P && EXPERIMENTAL
212993fa58cbSEric Van Hensbergen	help
213093fa58cbSEric Van Hensbergen	  If you say Y here, you will get experimental support for
213193fa58cbSEric Van Hensbergen	  Plan 9 resource sharing via the 9P2000 protocol.
213293fa58cbSEric Van Hensbergen
213393fa58cbSEric Van Hensbergen	  See <http://v9fs.sf.net> for more information.
213493fa58cbSEric Van Hensbergen
213593fa58cbSEric Van Hensbergen	  If unsure, say N.
213693fa58cbSEric Van Hensbergen
2137ea0985adSJan Engelhardtendif # NETWORK_FILESYSTEMS
21381da177e4SLinus Torvalds
21399361401eSDavid Howellsif BLOCK
21401da177e4SLinus Torvaldsmenu "Partition Types"
21411da177e4SLinus Torvalds
21421da177e4SLinus Torvaldssource "fs/partitions/Kconfig"
21431da177e4SLinus Torvalds
21441da177e4SLinus Torvaldsendmenu
21459361401eSDavid Howellsendif
21461da177e4SLinus Torvalds
21471da177e4SLinus Torvaldssource "fs/nls/Kconfig"
2148e7fd4179SDavid Teiglandsource "fs/dlm/Kconfig"
21491da177e4SLinus Torvalds
21501da177e4SLinus Torvaldsendmenu
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