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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# File system configuration
3#
4
5menu "File systems"
6
David Howells93614012006-09-30 20:45:40 +02007if BLOCK
8
Linus Torvalds1da177e2005-04-16 15:20:36 -07009config EXT2_FS
10 tristate "Second extended fs support"
11 help
12 Ext2 is a standard Linux file system for hard disks.
13
14 To compile this file system support as a module, choose M here: the
Jan Engelhardtd23edbd2006-12-12 19:07:45 +010015 module will be called ext2.
Linus Torvalds1da177e2005-04-16 15:20:36 -070016
17 If unsure, say Y.
18
19config EXT2_FS_XATTR
20 bool "Ext2 extended attributes"
21 depends on EXT2_FS
22 help
23 Extended attributes are name:value pairs associated with inodes by
24 the kernel or by users (see the attr(5) manual page, or visit
25 <http://acl.bestbits.at/> for details).
26
27 If unsure, say N.
28
29config EXT2_FS_POSIX_ACL
30 bool "Ext2 POSIX Access Control Lists"
31 depends on EXT2_FS_XATTR
Andreas Gruenbacherb84c2152005-07-07 17:56:57 -070032 select FS_POSIX_ACL
Linus Torvalds1da177e2005-04-16 15:20:36 -070033 help
34 Posix Access Control Lists (ACLs) support permissions for users and
35 groups beyond the owner/group/world scheme.
36
37 To learn more about Access Control Lists, visit the Posix ACLs for
38 Linux website <http://acl.bestbits.at/>.
39
40 If you don't know what Access Control Lists are, say N
41
42config EXT2_FS_SECURITY
43 bool "Ext2 Security Labels"
44 depends on EXT2_FS_XATTR
45 help
46 Security labels support alternative access control models
47 implemented by security modules like SELinux. This option
48 enables an extended attribute handler for file security
49 labels in the ext2 filesystem.
50
51 If you are not using a security module that requires using
52 extended attributes for file security labels, say N.
53
Carsten Otte6d791252005-06-23 22:05:26 -070054config EXT2_FS_XIP
55 bool "Ext2 execute in place support"
Al Viro0c426f22006-06-23 02:04:08 -070056 depends on EXT2_FS && MMU
Carsten Otte6d791252005-06-23 22:05:26 -070057 help
58 Execute in place can be used on memory-backed block devices. If you
59 enable this option, you can select to mount block devices which are
60 capable of this feature without using the page cache.
61
62 If you do not use a block device that is capable of using this,
63 or if unsure, say N.
64
65config FS_XIP
66# execute in place
67 bool
68 depends on EXT2_FS_XIP
69 default y
70
Linus Torvalds1da177e2005-04-16 15:20:36 -070071config EXT3_FS
72 tristate "Ext3 journalling file system support"
Mark Fashehb4e40a52005-12-15 14:31:24 -080073 select JBD
Linus Torvalds1da177e2005-04-16 15:20:36 -070074 help
Matt LaPlantecc2e2762006-10-03 22:22:29 +020075 This is the journalling version of the Second extended file system
Linus Torvalds1da177e2005-04-16 15:20:36 -070076 (often called ext3), the de facto standard Linux file system
77 (method to organize files on a storage device) for hard disks.
78
Matt LaPlantecc2e2762006-10-03 22:22:29 +020079 The journalling code included in this driver means you do not have
Linus Torvalds1da177e2005-04-16 15:20:36 -070080 to run e2fsck (file system checker) on your file systems after a
81 crash. The journal keeps track of any changes that were being made
82 at the time the system crashed, and can ensure that your file system
83 is consistent without the need for a lengthy check.
84
85 Other than adding the journal to the file system, the on-disk format
86 of ext3 is identical to ext2. It is possible to freely switch
87 between using the ext3 driver and the ext2 driver, as long as the
88 file system has been cleanly unmounted, or e2fsck is run on the file
89 system.
90
91 To add a journal on an existing ext2 file system or change the
92 behavior of ext3 file systems, you can use the tune2fs utility ("man
93 tune2fs"). To modify attributes of files and directories on ext3
94 file systems, use chattr ("man chattr"). You need to be using
95 e2fsprogs version 1.20 or later in order to create ext3 journals
96 (available at <http://sourceforge.net/projects/e2fsprogs/>).
97
98 To compile this file system support as a module, choose M here: the
Jan Engelhardtd23edbd2006-12-12 19:07:45 +010099 module will be called ext3.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100
101config EXT3_FS_XATTR
102 bool "Ext3 extended attributes"
103 depends on EXT3_FS
104 default y
105 help
106 Extended attributes are name:value pairs associated with inodes by
107 the kernel or by users (see the attr(5) manual page, or visit
108 <http://acl.bestbits.at/> for details).
109
110 If unsure, say N.
111
112 You need this for POSIX ACL support on ext3.
113
114config EXT3_FS_POSIX_ACL
115 bool "Ext3 POSIX Access Control Lists"
116 depends on EXT3_FS_XATTR
Andreas Gruenbacherb84c2152005-07-07 17:56:57 -0700117 select FS_POSIX_ACL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118 help
119 Posix Access Control Lists (ACLs) support permissions for users and
120 groups beyond the owner/group/world scheme.
121
122 To learn more about Access Control Lists, visit the Posix ACLs for
123 Linux website <http://acl.bestbits.at/>.
124
125 If you don't know what Access Control Lists are, say N
126
127config EXT3_FS_SECURITY
128 bool "Ext3 Security Labels"
129 depends on EXT3_FS_XATTR
130 help
131 Security labels support alternative access control models
132 implemented by security modules like SELinux. This option
133 enables an extended attribute handler for file security
134 labels in the ext3 filesystem.
135
136 If you are not using a security module that requires using
137 extended attributes for file security labels, say N.
138
Mingming Cao02ea2102006-10-11 01:20:56 -0700139config EXT4DEV_FS
140 tristate "Ext4dev/ext4 extended fs support development (EXPERIMENTAL)"
141 depends on EXPERIMENTAL
Mingming Caodab291a2006-10-11 01:21:01 -0700142 select JBD2
Andreas Dilger717d50e2007-10-16 18:38:25 -0400143 select CRC16
Mingming Caodab291a2006-10-11 01:21:01 -0700144 help
Mingming Cao02ea2102006-10-11 01:20:56 -0700145 Ext4dev is a predecessor filesystem of the next generation
146 extended fs ext4, based on ext3 filesystem code. It will be
147 renamed ext4 fs later, once ext4dev is mature and stabilized.
148
Mingming Caodab291a2006-10-11 01:21:01 -0700149 Unlike the change from ext2 filesystem to ext3 filesystem,
150 the on-disk format of ext4dev is not the same as ext3 any more:
Mingming Cao02ea2102006-10-11 01:20:56 -0700151 it is based on extent maps and it supports 48-bit physical block
Mingming Caodab291a2006-10-11 01:21:01 -0700152 numbers. These combined on-disk format changes will allow
Mingming Cao02ea2102006-10-11 01:20:56 -0700153 ext4dev/ext4 to handle more than 16 TB filesystem volumes --
154 a hard limit that ext3 cannot overcome without changing the
Mingming Caodab291a2006-10-11 01:21:01 -0700155 on-disk format.
Mingming Cao02ea2102006-10-11 01:20:56 -0700156
157 Other than extent maps and 48-bit block numbers, ext4dev also is
Mingming Caodab291a2006-10-11 01:21:01 -0700158 likely to have other new features such as persistent preallocation,
Mingming Cao02ea2102006-10-11 01:20:56 -0700159 high resolution time stamps, and larger file support etc. These
Mingming Caodab291a2006-10-11 01:21:01 -0700160 features will be added to ext4dev gradually.
Mingming Cao02ea2102006-10-11 01:20:56 -0700161
162 To compile this file system support as a module, choose M here. The
Jan Engelhardtd23edbd2006-12-12 19:07:45 +0100163 module will be called ext4dev.
Mingming Cao02ea2102006-10-11 01:20:56 -0700164
165 If unsure, say N.
166
167config EXT4DEV_FS_XATTR
168 bool "Ext4dev extended attributes"
169 depends on EXT4DEV_FS
170 default y
171 help
172 Extended attributes are name:value pairs associated with inodes by
173 the kernel or by users (see the attr(5) manual page, or visit
174 <http://acl.bestbits.at/> for details).
175
176 If unsure, say N.
177
178 You need this for POSIX ACL support on ext4dev/ext4.
179
180config EXT4DEV_FS_POSIX_ACL
181 bool "Ext4dev POSIX Access Control Lists"
182 depends on EXT4DEV_FS_XATTR
183 select FS_POSIX_ACL
184 help
185 POSIX Access Control Lists (ACLs) support permissions for users and
186 groups beyond the owner/group/world scheme.
187
188 To learn more about Access Control Lists, visit the POSIX ACLs for
189 Linux website <http://acl.bestbits.at/>.
190
191 If you don't know what Access Control Lists are, say N
192
193config EXT4DEV_FS_SECURITY
194 bool "Ext4dev Security Labels"
195 depends on EXT4DEV_FS_XATTR
196 help
197 Security labels support alternative access control models
198 implemented by security modules like SELinux. This option
199 enables an extended attribute handler for file security
200 labels in the ext4dev/ext4 filesystem.
201
202 If you are not using a security module that requires using
203 extended attributes for file security labels, say N.
204
Linus Torvalds1da177e2005-04-16 15:20:36 -0700205config JBD
Linus Torvalds1da177e2005-04-16 15:20:36 -0700206 tristate
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207 help
Matt LaPlantecc2e2762006-10-03 22:22:29 +0200208 This is a generic journalling layer for block devices. It is
Mark Fashehb4e40a52005-12-15 14:31:24 -0800209 currently used by the ext3 and OCFS2 file systems, but it could
210 also be used to add journal support to other file systems or block
211 devices such as RAID or LVM.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700212
Mark Fashehb4e40a52005-12-15 14:31:24 -0800213 If you are using the ext3 or OCFS2 file systems, you need to
214 say Y here. If you are not using ext3 OCFS2 then you will probably
215 want to say N.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700216
217 To compile this device as a module, choose M here: the module will be
Mark Fashehb4e40a52005-12-15 14:31:24 -0800218 called jbd. If you are compiling ext3 or OCFS2 into the kernel,
219 you cannot compile this code as a module.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220
221config JBD_DEBUG
222 bool "JBD (ext3) debugging support"
Jose R. Santosc2a91592007-10-18 23:39:22 -0700223 depends on JBD && DEBUG_FS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700224 help
225 If you are using the ext3 journaled file system (or potentially any
226 other file system/device using JBD), this option allows you to
227 enable debugging output while the system is running, in order to
228 help track down any problems you are having. By default the
229 debugging output will be turned off.
230
231 If you select Y here, then you will be able to turn on debugging
Jose R. Santosc2a91592007-10-18 23:39:22 -0700232 with "echo N > /sys/kernel/debug/jbd/jbd-debug", where N is a
233 number between 1 and 5, the higher the number, the more debugging
234 output is generated. To turn debugging off again, do
235 "echo 0 > /sys/kernel/debug/jbd/jbd-debug".
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236
Mingming Caodab291a2006-10-11 01:21:01 -0700237config JBD2
238 tristate
Girish Shilamkar818d2762008-01-28 23:58:27 -0500239 select CRC32
Mingming Caodab291a2006-10-11 01:21:01 -0700240 help
241 This is a generic journaling layer for block devices that support
242 both 32-bit and 64-bit block numbers. It is currently used by
243 the ext4dev/ext4 filesystem, but it could also be used to add
244 journal support to other file systems or block devices such
245 as RAID or LVM.
246
247 If you are using ext4dev/ext4, you need to say Y here. If you are not
248 using ext4dev/ext4 then you will probably want to say N.
249
250 To compile this device as a module, choose M here. The module will be
251 called jbd2. If you are compiling ext4dev/ext4 into the kernel,
252 you cannot compile this code as a module.
253
254config JBD2_DEBUG
255 bool "JBD2 (ext4dev/ext4) debugging support"
Jose R. Santos0f49d5d2007-07-18 08:50:18 -0400256 depends on JBD2 && DEBUG_FS
Mingming Caodab291a2006-10-11 01:21:01 -0700257 help
258 If you are using the ext4dev/ext4 journaled file system (or
259 potentially any other filesystem/device using JBD2), this option
260 allows you to enable debugging output while the system is running,
261 in order to help track down any problems you are having.
262 By default, the debugging output will be turned off.
263
264 If you select Y here, then you will be able to turn on debugging
Jose R. Santos0f49d5d2007-07-18 08:50:18 -0400265 with "echo N > /sys/kernel/debug/jbd2/jbd2-debug", where N is a
266 number between 1 and 5. The higher the number, the more debugging
267 output is generated. To turn debugging off again, do
268 "echo 0 > /sys/kernel/debug/jbd2/jbd2-debug".
Mingming Caodab291a2006-10-11 01:21:01 -0700269
Linus Torvalds1da177e2005-04-16 15:20:36 -0700270config FS_MBCACHE
Mingming Cao02ea2102006-10-11 01:20:56 -0700271# Meta block cache for Extended Attributes (ext2/ext3/ext4)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700272 tristate
Mingming Cao02ea2102006-10-11 01:20:56 -0700273 depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4DEV_FS_XATTR
274 default y if EXT2_FS=y || EXT3_FS=y || EXT4DEV_FS=y
275 default m if EXT2_FS=m || EXT3_FS=m || EXT4DEV_FS=m
Linus Torvalds1da177e2005-04-16 15:20:36 -0700276
277config REISERFS_FS
278 tristate "Reiserfs support"
279 help
280 Stores not just filenames but the files themselves in a balanced
Matt LaPlantecc2e2762006-10-03 22:22:29 +0200281 tree. Uses journalling.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700282
283 Balanced trees are more efficient than traditional file system
284 architectural foundations.
285
286 In general, ReiserFS is as fast as ext2, but is very efficient with
287 large directories and small files. Additional patches are needed
288 for NFS and quotas, please see <http://www.namesys.com/> for links.
289
290 It is more easily extended to have features currently found in
291 database and keyword search systems than block allocation based file
292 systems are. The next version will be so extended, and will support
293 plugins consistent with our motto ``It takes more than a license to
294 make source code open.''
295
296 Read <http://www.namesys.com/> to learn more about reiserfs.
297
298 Sponsored by Threshold Networks, Emusic.com, and Bigstorage.com.
299
300 If you like it, you can pay us to add new features to it that you
301 need, buy a support contract, or pay us to port it to another OS.
302
303config REISERFS_CHECK
304 bool "Enable reiserfs debug mode"
305 depends on REISERFS_FS
306 help
307 If you set this to Y, then ReiserFS will perform every check it can
308 possibly imagine of its internal consistency throughout its
309 operation. It will also go substantially slower. More than once we
310 have forgotten that this was on, and then gone despondent over the
311 latest benchmarks.:-) Use of this option allows our team to go all
312 out in checking for consistency when debugging without fear of its
313 effect on end users. If you are on the verge of sending in a bug
314 report, say Y and you might get a useful error message. Almost
315 everyone should say N.
316
317config REISERFS_PROC_INFO
318 bool "Stats in /proc/fs/reiserfs"
Randy Dunlap880ebdc2007-05-08 00:26:59 -0700319 depends on REISERFS_FS && PROC_FS
Linus Torvalds1da177e2005-04-16 15:20:36 -0700320 help
321 Create under /proc/fs/reiserfs a hierarchy of files, displaying
322 various ReiserFS statistics and internal data at the expense of
323 making your kernel or module slightly larger (+8 KB). This also
324 increases the amount of kernel memory required for each mount.
325 Almost everyone but ReiserFS developers and people fine-tuning
326 reiserfs or tracing problems should say N.
327
328config REISERFS_FS_XATTR
329 bool "ReiserFS extended attributes"
330 depends on REISERFS_FS
331 help
332 Extended attributes are name:value pairs associated with inodes by
333 the kernel or by users (see the attr(5) manual page, or visit
334 <http://acl.bestbits.at/> for details).
335
336 If unsure, say N.
337
338config REISERFS_FS_POSIX_ACL
339 bool "ReiserFS POSIX Access Control Lists"
340 depends on REISERFS_FS_XATTR
Andreas Gruenbacherb84c2152005-07-07 17:56:57 -0700341 select FS_POSIX_ACL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700342 help
343 Posix Access Control Lists (ACLs) support permissions for users and
344 groups beyond the owner/group/world scheme.
345
346 To learn more about Access Control Lists, visit the Posix ACLs for
347 Linux website <http://acl.bestbits.at/>.
348
349 If you don't know what Access Control Lists are, say N
350
351config REISERFS_FS_SECURITY
352 bool "ReiserFS Security Labels"
353 depends on REISERFS_FS_XATTR
354 help
355 Security labels support alternative access control models
356 implemented by security modules like SELinux. This option
357 enables an extended attribute handler for file security
358 labels in the ReiserFS filesystem.
359
360 If you are not using a security module that requires using
361 extended attributes for file security labels, say N.
362
363config JFS_FS
364 tristate "JFS filesystem support"
365 select NLS
366 help
367 This is a port of IBM's Journaled Filesystem . More information is
368 available in the file <file:Documentation/filesystems/jfs.txt>.
369
370 If you do not intend to use the JFS filesystem, say N.
371
372config JFS_POSIX_ACL
373 bool "JFS POSIX Access Control Lists"
374 depends on JFS_FS
Andreas Gruenbacherb84c2152005-07-07 17:56:57 -0700375 select FS_POSIX_ACL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700376 help
377 Posix Access Control Lists (ACLs) support permissions for users and
378 groups beyond the owner/group/world scheme.
379
380 To learn more about Access Control Lists, visit the Posix ACLs for
381 Linux website <http://acl.bestbits.at/>.
382
383 If you don't know what Access Control Lists are, say N
384
385config JFS_SECURITY
386 bool "JFS Security Labels"
387 depends on JFS_FS
388 help
389 Security labels support alternative access control models
390 implemented by security modules like SELinux. This option
391 enables an extended attribute handler for file security
392 labels in the jfs filesystem.
393
394 If you are not using a security module that requires using
395 extended attributes for file security labels, say N.
396
397config JFS_DEBUG
398 bool "JFS debugging"
399 depends on JFS_FS
400 help
401 If you are experiencing any problems with the JFS filesystem, say
402 Y here. This will result in additional debugging messages to be
403 written to the system log. Under normal circumstances, this
404 results in very little overhead.
405
406config JFS_STATISTICS
407 bool "JFS statistics"
408 depends on JFS_FS
409 help
410 Enabling this option will cause statistics from the JFS file system
411 to be made available to the user in the /proc/fs/jfs/ directory.
412
413config FS_POSIX_ACL
Chuck Lever89206952008-02-11 17:12:24 -0500414# Posix ACL utility routines (for now, only ext2/ext3/jfs/reiserfs/nfs4)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700415#
416# NOTE: you can implement Posix ACLs without these helpers (XFS does).
417# Never use this symbol for ifdefs.
418#
419 bool
Andreas Gruenbacherb84c2152005-07-07 17:56:57 -0700420 default n
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421
422source "fs/xfs/Kconfig"
David Teiglandf7825dc2006-01-16 16:43:37 +0000423source "fs/gfs2/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700424
Mark Fashehb4e40a52005-12-15 14:31:24 -0800425config OCFS2_FS
Mark Fasheh02ed8412006-09-14 10:28:06 -0700426 tristate "OCFS2 file system support"
427 depends on NET && SYSFS
Mark Fashehb4e40a52005-12-15 14:31:24 -0800428 select CONFIGFS_FS
429 select JBD
430 select CRC32
Mark Fashehb4e40a52005-12-15 14:31:24 -0800431 help
432 OCFS2 is a general purpose extent based shared disk cluster file
433 system with many similarities to ext3. It supports 64 bit inode
434 numbers, and has automatically extending metadata groups which may
435 also make it attractive for non-clustered use.
436
437 You'll want to install the ocfs2-tools package in order to at least
438 get "mount.ocfs2".
439
440 Project web page: http://oss.oracle.com/projects/ocfs2
441 Tools web page: http://oss.oracle.com/projects/ocfs2-tools
442 OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/
443
Mark Fasheh1252c432007-10-30 12:09:03 -0700444 For more information on OCFS2, see the file
445 <file:Documentation/filesystems/ocfs2.txt>.
Mark Fashehb4e40a52005-12-15 14:31:24 -0800446
Joel Becker9341d222008-03-04 17:58:56 -0800447config OCFS2_FS_O2CB
448 tristate "O2CB Kernelspace Clustering"
449 depends on OCFS2_FS
450 default y
451 help
452 OCFS2 includes a simple kernelspace clustering package, the OCFS2
453 Cluster Base. It only requires a very small userspace component
454 to configure it. This comes with the standard ocfs2-tools package.
455 O2CB is limited to maintaining a cluster for OCFS2 file systems.
456 It cannot manage any other cluster applications.
457
458 It is always safe to say Y here, as the clustering method is
459 run-time selectable.
460
461config OCFS2_FS_USERSPACE_CLUSTER
462 tristate "OCFS2 Userspace Clustering"
463 depends on OCFS2_FS && DLM
464 default y
465 help
466 This option will allow OCFS2 to use userspace clustering services
467 in conjunction with the DLM in fs/dlm. If you are using a
468 userspace cluster manager, say Y here.
469
470 It is safe to say Y, as the clustering method is run-time
471 selectable.
472
Joel Becker2b388c62006-05-10 18:28:59 -0700473config OCFS2_DEBUG_MASKLOG
474 bool "OCFS2 logging support"
475 depends on OCFS2_FS
476 default y
477 help
478 The ocfs2 filesystem has an extensive logging system. The system
479 allows selection of events to log via files in /sys/o2cb/logmask/.
480 This option will enlarge your kernel, but it allows debugging of
481 ocfs2 filesystem issues.
482
Jan Kara5a58c3e2007-11-13 19:59:33 +0100483config OCFS2_DEBUG_FS
484 bool "OCFS2 expensive checks"
485 depends on OCFS2_FS
486 default n
487 help
488 This option will enable expensive consistency checks. Enable
489 this option for debugging only as it is likely to decrease
490 performance of the filesystem.
491
Randy Dunlap25fad942008-02-07 00:15:16 -0800492endif # BLOCK
493
494config DNOTIFY
495 bool "Dnotify support"
496 default y
Linus Torvalds1da177e2005-04-16 15:20:36 -0700497 help
Randy Dunlap25fad942008-02-07 00:15:16 -0800498 Dnotify is a directory-based per-fd file change notification system
499 that uses signals to communicate events to user-space. There exist
500 superior alternatives, but some applications may still rely on
501 dnotify.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700502
Randy Dunlap25fad942008-02-07 00:15:16 -0800503 If unsure, say Y.
David Howells93614012006-09-30 20:45:40 +0200504
Robert Love0eeca282005-07-12 17:06:03 -0400505config INOTIFY
506 bool "Inotify file change notification support"
507 default y
508 ---help---
Amy Griffis2d9048e2006-06-01 13:10:59 -0700509 Say Y here to enable inotify support. Inotify is a file change
510 notification system and a replacement for dnotify. Inotify fixes
511 numerous shortcomings in dnotify and introduces several new features
512 including multiple file events, one-shot support, and unmount
Robert Love3de11742005-08-04 13:07:08 -0700513 notification.
514
Dirk Hohndele4031492007-10-30 13:37:19 -0700515 For more information, see <file:Documentation/filesystems/inotify.txt>
Robert Love0eeca282005-07-12 17:06:03 -0400516
517 If unsure, say Y.
518
Amy Griffis2d9048e2006-06-01 13:10:59 -0700519config INOTIFY_USER
520 bool "Inotify support for userspace"
521 depends on INOTIFY
522 default y
523 ---help---
524 Say Y here to enable inotify support for userspace, including the
525 associated system calls. Inotify allows monitoring of both files and
526 directories via a single open fd. Events are read from the file
527 descriptor, which is also select()- and poll()-able.
528
Dirk Hohndele4031492007-10-30 13:37:19 -0700529 For more information, see <file:Documentation/filesystems/inotify.txt>
Amy Griffis2d9048e2006-06-01 13:10:59 -0700530
531 If unsure, say Y.
532
Linus Torvalds1da177e2005-04-16 15:20:36 -0700533config QUOTA
534 bool "Quota support"
535 help
536 If you say Y here, you will be able to set per user limits for disk
537 usage (also called disk quotas). Currently, it works for the
538 ext2, ext3, and reiserfs file system. ext3 also supports journalled
539 quotas for which you don't need to run quotacheck(8) after an unclean
Adrian Bunk919532a2005-09-06 15:17:22 -0700540 shutdown.
541 For further details, read the Quota mini-HOWTO, available from
Linus Torvalds1da177e2005-04-16 15:20:36 -0700542 <http://www.tldp.org/docs.html#howto>, or the documentation provided
543 with the quota tools. Probably the quota support is only useful for
544 multi user systems. If unsure, say N.
545
Jan Kara8e893462007-10-16 23:29:31 -0700546config QUOTA_NETLINK_INTERFACE
547 bool "Report quota messages through netlink interface"
548 depends on QUOTA && NET
549 help
550 If you say Y here, quota warnings (about exceeding softlimit, reaching
551 hardlimit, etc.) will be reported through netlink interface. If unsure,
552 say Y.
553
554config PRINT_QUOTA_WARNING
555 bool "Print quota warnings to console (OBSOLETE)"
556 depends on QUOTA
557 default y
558 help
559 If you say Y here, quota warnings (about exceeding softlimit, reaching
560 hardlimit, etc.) will be printed to the process' controlling terminal.
561 Note that this behavior is currently deprecated and may go away in
562 future. Please use notification via netlink socket instead.
563
Linus Torvalds1da177e2005-04-16 15:20:36 -0700564config QFMT_V1
565 tristate "Old quota format support"
566 depends on QUOTA
567 help
568 This quota format was (is) used by kernels earlier than 2.4.22. If
569 you have quota working and you don't want to convert to new quota
570 format say Y here.
571
572config QFMT_V2
573 tristate "Quota format v2 support"
574 depends on QUOTA
575 help
576 This quota format allows using quotas with 32-bit UIDs/GIDs. If you
Adrian Bunk919532a2005-09-06 15:17:22 -0700577 need this functionality say Y here.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700578
579config QUOTACTL
580 bool
581 depends on XFS_QUOTA || QUOTA
582 default y
583
Linus Torvalds1da177e2005-04-16 15:20:36 -0700584config AUTOFS_FS
585 tristate "Kernel automounter support"
586 help
587 The automounter is a tool to automatically mount remote file systems
588 on demand. This implementation is partially kernel-based to reduce
589 overhead in the already-mounted case; this is unlike the BSD
590 automounter (amd), which is a pure user space daemon.
591
592 To use the automounter you need the user-space tools from the autofs
593 package; you can find the location in <file:Documentation/Changes>.
594 You also want to answer Y to "NFS file system support", below.
595
596 If you want to use the newer version of the automounter with more
597 features, say N here and say Y to "Kernel automounter v4 support",
598 below.
599
600 To compile this support as a module, choose M here: the module will be
601 called autofs.
602
603 If you are not a part of a fairly large, distributed network, you
604 probably do not need an automounter, and can say N here.
605
606config AUTOFS4_FS
607 tristate "Kernel automounter version 4 support (also supports v3)"
608 help
609 The automounter is a tool to automatically mount remote file systems
610 on demand. This implementation is partially kernel-based to reduce
611 overhead in the already-mounted case; this is unlike the BSD
612 automounter (amd), which is a pure user space daemon.
613
614 To use the automounter you need the user-space tools from
615 <ftp://ftp.kernel.org/pub/linux/daemons/autofs/v4/>; you also
616 want to answer Y to "NFS file system support", below.
617
618 To compile this support as a module, choose M here: the module will be
619 called autofs4. You will need to add "alias autofs autofs4" to your
620 modules configuration file.
621
622 If you are not a part of a fairly large, distributed network or
623 don't have a laptop which needs to dynamically reconfigure to the
624 local network, you probably do not need an automounter, and can say
625 N here.
626
Miklos Szeredi04578f12005-09-09 13:10:22 -0700627config FUSE_FS
628 tristate "Filesystem in Userspace support"
629 help
630 With FUSE it is possible to implement a fully functional filesystem
631 in a userspace program.
632
633 There's also companion library: libfuse. This library along with
634 utilities is available from the FUSE homepage:
635 <http://fuse.sourceforge.net/>
636
Miklos Szeredi909021e2005-09-27 21:45:20 -0700637 See <file:Documentation/filesystems/fuse.txt> for more information.
638 See <file:Documentation/Changes> for needed library/utility version.
639
Miklos Szeredi04578f12005-09-09 13:10:22 -0700640 If you want to develop a userspace FS, or if you want to use
641 a filesystem based on FUSE, answer Y or M.
642
Randy Dunlapf2fbc6c2006-10-19 23:28:35 -0700643config GENERIC_ACL
644 bool
645 select FS_POSIX_ACL
646
David Howells93614012006-09-30 20:45:40 +0200647if BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700648menu "CD-ROM/DVD Filesystems"
649
650config ISO9660_FS
651 tristate "ISO 9660 CDROM file system support"
652 help
653 This is the standard file system used on CD-ROMs. It was previously
654 known as "High Sierra File System" and is called "hsfs" on other
655 Unix systems. The so-called Rock-Ridge extensions which allow for
656 long Unix filenames and symbolic links are also supported by this
657 driver. If you have a CD-ROM drive and want to do more with it than
658 just listen to audio CDs and watch its LEDs, say Y (and read
659 <file:Documentation/filesystems/isofs.txt> and the CD-ROM-HOWTO,
660 available from <http://www.tldp.org/docs.html#howto>), thereby
661 enlarging your kernel by about 27 KB; otherwise say N.
662
663 To compile this file system support as a module, choose M here: the
664 module will be called isofs.
665
666config JOLIET
667 bool "Microsoft Joliet CDROM extensions"
668 depends on ISO9660_FS
669 select NLS
670 help
671 Joliet is a Microsoft extension for the ISO 9660 CD-ROM file system
672 which allows for long filenames in unicode format (unicode is the
673 new 16 bit character code, successor to ASCII, which encodes the
674 characters of almost all languages of the world; see
675 <http://www.unicode.org/> for more information). Say Y here if you
676 want to be able to read Joliet CD-ROMs under Linux.
677
678config ZISOFS
679 bool "Transparent decompression extension"
680 depends on ISO9660_FS
681 select ZLIB_INFLATE
682 help
683 This is a Linux-specific extension to RockRidge which lets you store
684 data in compressed form on a CD-ROM and have it transparently
685 decompressed when the CD-ROM is accessed. See
686 <http://www.kernel.org/pub/linux/utils/fs/zisofs/> for the tools
687 necessary to create such a filesystem. Say Y here if you want to be
688 able to read such compressed CD-ROMs.
689
Linus Torvalds1da177e2005-04-16 15:20:36 -0700690config UDF_FS
691 tristate "UDF file system support"
Bob Copelandf845fce2008-04-17 09:47:48 +0200692 select CRC_ITU_T
Linus Torvalds1da177e2005-04-16 15:20:36 -0700693 help
694 This is the new file system used on some CD-ROMs and DVDs. Say Y if
695 you intend to mount DVD discs or CDRW's written in packet mode, or
696 if written to by other UDF utilities, such as DirectCD.
697 Please read <file:Documentation/filesystems/udf.txt>.
698
699 To compile this file system support as a module, choose M here: the
700 module will be called udf.
701
702 If unsure, say N.
703
704config UDF_NLS
705 bool
706 default y
707 depends on (UDF_FS=m && NLS) || (UDF_FS=y && NLS=y)
708
709endmenu
Randy Dunlap25fad942008-02-07 00:15:16 -0800710endif # BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700711
David Howells93614012006-09-30 20:45:40 +0200712if BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700713menu "DOS/FAT/NT Filesystems"
714
715config FAT_FS
716 tristate
717 select NLS
718 help
719 If you want to use one of the FAT-based file systems (the MS-DOS and
720 VFAT (Windows 95) file systems), then you must say Y or M here
721 to include FAT support. You will then be able to mount partitions or
722 diskettes with FAT-based file systems and transparently access the
723 files on them, i.e. MSDOS files will look and behave just like all
724 other Unix files.
725
726 This FAT support is not a file system in itself, it only provides
727 the foundation for the other file systems. You will have to say Y or
728 M to at least one of "MSDOS fs support" or "VFAT fs support" in
729 order to make use of it.
730
731 Another way to read and write MSDOS floppies and hard drive
732 partitions from within Linux (but not transparently) is with the
733 mtools ("man mtools") program suite. You don't need to say Y here in
734 order to do that.
735
736 If you need to move large files on floppies between a DOS and a
737 Linux box, say Y here, mount the floppy under Linux with an MSDOS
738 file system and use GNU tar's M option. GNU tar is a program
739 available for Unix and DOS ("man tar" or "info tar").
740
Linus Torvalds1da177e2005-04-16 15:20:36 -0700741 The FAT support will enlarge your kernel by about 37 KB. If unsure,
742 say Y.
743
744 To compile this as a module, choose M here: the module will be called
745 fat. Note that if you compile the FAT support as a module, you
746 cannot compile any of the FAT-based file systems into the kernel
747 -- they will have to be modules as well.
748
749config MSDOS_FS
750 tristate "MSDOS fs support"
751 select FAT_FS
752 help
753 This allows you to mount MSDOS partitions of your hard drive (unless
754 they are compressed; to access compressed MSDOS partitions under
755 Linux, you can either use the DOS emulator DOSEMU, described in the
756 DOSEMU-HOWTO, available from
757 <http://www.tldp.org/docs.html#howto>, or try dmsdosfs in
758 <ftp://ibiblio.org/pub/Linux/system/filesystems/dosfs/>. If you
759 intend to use dosemu with a non-compressed MSDOS partition, say Y
760 here) and MSDOS floppies. This means that file access becomes
761 transparent, i.e. the MSDOS files look and behave just like all
762 other Unix files.
763
764 If you have Windows 95 or Windows NT installed on your MSDOS
765 partitions, you should use the VFAT file system (say Y to "VFAT fs
766 support" below), or you will not be able to see the long filenames
767 generated by Windows 95 / Windows NT.
768
769 This option will enlarge your kernel by about 7 KB. If unsure,
770 answer Y. This will only work if you said Y to "DOS FAT fs support"
771 as well. To compile this as a module, choose M here: the module will
772 be called msdos.
773
774config VFAT_FS
775 tristate "VFAT (Windows-95) fs support"
776 select FAT_FS
777 help
778 This option provides support for normal Windows file systems with
779 long filenames. That includes non-compressed FAT-based file systems
780 used by Windows 95, Windows 98, Windows NT 4.0, and the Unix
781 programs from the mtools package.
782
783 The VFAT support enlarges your kernel by about 10 KB and it only
784 works if you said Y to the "DOS FAT fs support" above. Please read
785 the file <file:Documentation/filesystems/vfat.txt> for details. If
786 unsure, say Y.
787
788 To compile this as a module, choose M here: the module will be called
789 vfat.
790
791config FAT_DEFAULT_CODEPAGE
792 int "Default codepage for FAT"
793 depends on MSDOS_FS || VFAT_FS
794 default 437
795 help
796 This option should be set to the codepage of your FAT filesystems.
797 It can be overridden with the "codepage" mount option.
798 See <file:Documentation/filesystems/vfat.txt> for more information.
799
800config FAT_DEFAULT_IOCHARSET
801 string "Default iocharset for FAT"
802 depends on VFAT_FS
803 default "iso8859-1"
804 help
805 Set this to the default input/output character set you'd
806 like FAT to use. It should probably match the character set
807 that most of your FAT filesystems use, and can be overridden
808 with the "iocharset" mount option for FAT filesystems.
809 Note that "utf8" is not recommended for FAT filesystems.
810 If unsure, you shouldn't set "utf8" here.
811 See <file:Documentation/filesystems/vfat.txt> for more information.
812
813config NTFS_FS
814 tristate "NTFS file system support"
815 select NLS
816 help
817 NTFS is the file system of Microsoft Windows NT, 2000, XP and 2003.
818
819 Saying Y or M here enables read support. There is partial, but
820 safe, write support available. For write support you must also
821 say Y to "NTFS write support" below.
822
823 There are also a number of user-space tools available, called
824 ntfsprogs. These include ntfsundelete and ntfsresize, that work
825 without NTFS support enabled in the kernel.
826
827 This is a rewrite from scratch of Linux NTFS support and replaced
828 the old NTFS code starting with Linux 2.5.11. A backport to
829 the Linux 2.4 kernel series is separately available as a patch
830 from the project web site.
831
832 For more information see <file:Documentation/filesystems/ntfs.txt>
833 and <http://linux-ntfs.sourceforge.net/>.
834
835 To compile this file system support as a module, choose M here: the
836 module will be called ntfs.
837
838 If you are not using Windows NT, 2000, XP or 2003 in addition to
839 Linux on your computer it is safe to say N.
840
841config NTFS_DEBUG
842 bool "NTFS debugging support"
843 depends on NTFS_FS
844 help
845 If you are experiencing any problems with the NTFS file system, say
846 Y here. This will result in additional consistency checks to be
847 performed by the driver as well as additional debugging messages to
848 be written to the system log. Note that debugging messages are
849 disabled by default. To enable them, supply the option debug_msgs=1
850 at the kernel command line when booting the kernel or as an option
851 to insmod when loading the ntfs module. Once the driver is active,
852 you can enable debugging messages by doing (as root):
853 echo 1 > /proc/sys/fs/ntfs-debug
854 Replacing the "1" with "0" would disable debug messages.
855
856 If you leave debugging messages disabled, this results in little
857 overhead, but enabling debug messages results in very significant
858 slowdown of the system.
859
860 When reporting bugs, please try to have available a full dump of
861 debugging messages while the misbehaviour was occurring.
862
863config NTFS_RW
864 bool "NTFS write support"
865 depends on NTFS_FS
866 help
867 This enables the partial, but safe, write support in the NTFS driver.
868
869 The only supported operation is overwriting existing files, without
870 changing the file length. No file or directory creation, deletion or
871 renaming is possible. Note only non-resident files can be written to
872 so you may find that some very small files (<500 bytes or so) cannot
873 be written to.
874
875 While we cannot guarantee that it will not damage any data, we have
876 so far not received a single report where the driver would have
877 damaged someones data so we assume it is perfectly safe to use.
878
879 Note: While write support is safe in this version (a rewrite from
880 scratch of the NTFS support), it should be noted that the old NTFS
881 write support, included in Linux 2.5.10 and before (since 1997),
882 is not safe.
883
884 This is currently useful with TopologiLinux. TopologiLinux is run
885 on top of any DOS/Microsoft Windows system without partitioning your
886 hard disk. Unlike other Linux distributions TopologiLinux does not
887 need its own partition. For more information see
888 <http://topologi-linux.sourceforge.net/>
889
890 It is perfectly safe to say N here.
891
892endmenu
Randy Dunlap25fad942008-02-07 00:15:16 -0800893endif # BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -0700894
895menu "Pseudo filesystems"
896
897config PROC_FS
H. Peter Anvin69755652006-06-25 05:48:08 -0700898 bool "/proc file system support" if EMBEDDED
899 default y
Linus Torvalds1da177e2005-04-16 15:20:36 -0700900 help
901 This is a virtual file system providing information about the status
902 of the system. "Virtual" means that it doesn't take up any space on
903 your hard disk: the files are created on the fly by the kernel when
904 you try to access them. Also, you cannot read the files with older
905 version of the program less: you need to use more or cat.
906
907 It's totally cool; for example, "cat /proc/interrupts" gives
908 information about what the different IRQs are used for at the moment
909 (there is a small number of Interrupt ReQuest lines in your computer
910 that are used by the attached devices to gain the CPU's attention --
911 often a source of trouble if two devices are mistakenly configured
912 to use the same IRQ). The program procinfo to display some
913 information about your system gathered from the /proc file system.
914
915 Before you can use the /proc file system, it has to be mounted,
916 meaning it has to be given a location in the directory hierarchy.
917 That location should be /proc. A command such as "mount -t proc proc
918 /proc" or the equivalent line in /etc/fstab does the job.
919
920 The /proc file system is explained in the file
921 <file:Documentation/filesystems/proc.txt> and on the proc(5) manpage
922 ("man 5 proc").
923
924 This option will enlarge your kernel by about 67 KB. Several
925 programs depend on this, so everyone should say Y here.
926
927config PROC_KCORE
928 bool "/proc/kcore support" if !ARM
929 depends on PROC_FS && MMU
930
Vivek Goyal666bfdd2005-06-25 14:58:21 -0700931config PROC_VMCORE
932 bool "/proc/vmcore support (EXPERIMENTAL)"
Maneesh Soni05970d42006-01-09 20:51:52 -0800933 depends on PROC_FS && EXPERIMENTAL && CRASH_DUMP
Vivek Goyal68250ba2006-04-10 22:54:30 -0700934 default y
Vivek Goyal666bfdd2005-06-25 14:58:21 -0700935 help
936 Exports the dump image of crashed kernel in ELF format.
937
Eric W. Biedermanb89a8172006-09-27 01:51:04 -0700938config PROC_SYSCTL
939 bool "Sysctl support (/proc/sys)" if EMBEDDED
940 depends on PROC_FS
941 select SYSCTL
942 default y
943 ---help---
944 The sysctl interface provides a means of dynamically changing
945 certain kernel parameters and variables on the fly without requiring
946 a recompile of the kernel or reboot of the system. The primary
947 interface is through /proc/sys. If you say Y here a tree of
948 modifiable sysctl entries will be generated beneath the
949 /proc/sys directory. They are explained in the files
950 in <file:Documentation/sysctl/>. Note that enabling this
951 option will enlarge the kernel by at least 8 KB.
952
953 As it is generally a good thing, you should say Y here unless
954 building a kernel for install/rescue disks or your system is very
955 limited in memory.
956
Linus Torvalds1da177e2005-04-16 15:20:36 -0700957config SYSFS
958 bool "sysfs file system support" if EMBEDDED
959 default y
960 help
961 The sysfs filesystem is a virtual filesystem that the kernel uses to
962 export internal kernel objects, their attributes, and their
963 relationships to one another.
964
965 Users can use sysfs to ascertain useful information about the running
966 kernel, such as the devices the kernel has discovered on each bus and
967 which driver each is bound to. sysfs can also be used to tune devices
968 and other kernel subsystems.
969
970 Some system agents rely on the information in sysfs to operate.
971 /sbin/hotplug uses device and object attributes in sysfs to assist in
Jan Engelhardt03a67a42006-11-30 05:32:19 +0100972 delegating policy decisions, like persistently naming devices.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700973
974 sysfs is currently used by the block subsystem to mount the root
975 partition. If sysfs is disabled you must specify the boot device on
976 the kernel boot command line via its major and minor numbers. For
977 example, "root=03:01" for /dev/hda1.
978
979 Designers of embedded systems may wish to say N here to conserve space.
980
Linus Torvalds1da177e2005-04-16 15:20:36 -0700981config TMPFS
982 bool "Virtual memory file system support (former shm fs)"
983 help
984 Tmpfs is a file system which keeps all files in virtual memory.
985
986 Everything in tmpfs is temporary in the sense that no files will be
987 created on your hard drive. The files live in memory and swap
988 space. If you unmount a tmpfs instance, everything stored therein is
989 lost.
990
991 See <file:Documentation/filesystems/tmpfs.txt> for details.
992
Andreas Gruenbacher39f02472006-09-29 02:01:35 -0700993config TMPFS_POSIX_ACL
994 bool "Tmpfs POSIX Access Control Lists"
995 depends on TMPFS
996 select GENERIC_ACL
997 help
998 POSIX Access Control Lists (ACLs) support permissions for users and
999 groups beyond the owner/group/world scheme.
1000
1001 To learn more about Access Control Lists, visit the POSIX ACLs for
1002 Linux website <http://acl.bestbits.at/>.
1003
1004 If you don't know what Access Control Lists are, say N.
1005
Linus Torvalds1da177e2005-04-16 15:20:36 -07001006config HUGETLBFS
1007 bool "HugeTLB file system support"
Paul Mundtdd950582007-06-11 15:35:34 +09001008 depends on X86 || IA64 || PPC64 || SPARC64 || (SUPERH && MMU) || BROKEN
Arthur Othienodda27d12006-04-18 22:20:57 -07001009 help
1010 hugetlbfs is a filesystem backing for HugeTLB pages, based on
1011 ramfs. For architectures that support it, say Y here and read
1012 <file:Documentation/vm/hugetlbpage.txt> for details.
1013
1014 If unsure, say N.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001015
1016config HUGETLB_PAGE
1017 def_bool HUGETLBFS
1018
Joel Becker7063fbf2005-12-15 14:29:43 -08001019config CONFIGFS_FS
Joel Becker02ac0492007-12-31 13:56:47 -08001020 tristate "Userspace-driven configuration filesystem"
1021 depends on SYSFS
Joel Becker7063fbf2005-12-15 14:29:43 -08001022 help
1023 configfs is a ram-based filesystem that provides the converse
1024 of sysfs's functionality. Where sysfs is a filesystem-based
1025 view of kernel objects, configfs is a filesystem-based manager
1026 of kernel objects, or config_items.
1027
1028 Both sysfs and configfs can and should exist together on the
1029 same system. One is not a replacement for the other.
1030
Linus Torvalds1da177e2005-04-16 15:20:36 -07001031endmenu
1032
1033menu "Miscellaneous filesystems"
1034
1035config ADFS_FS
1036 tristate "ADFS file system support (EXPERIMENTAL)"
David Howells93614012006-09-30 20:45:40 +02001037 depends on BLOCK && EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -07001038 help
1039 The Acorn Disc Filing System is the standard file system of the
1040 RiscOS operating system which runs on Acorn's ARM-based Risc PC
1041 systems and the Acorn Archimedes range of machines. If you say Y
1042 here, Linux will be able to read from ADFS partitions on hard drives
1043 and from ADFS-formatted floppy discs. If you also want to be able to
1044 write to those devices, say Y to "ADFS write support" below.
1045
1046 The ADFS partition should be the first partition (i.e.,
1047 /dev/[hs]d?1) on each of your drives. Please read the file
1048 <file:Documentation/filesystems/adfs.txt> for further details.
1049
1050 To compile this code as a module, choose M here: the module will be
1051 called adfs.
1052
1053 If unsure, say N.
1054
1055config ADFS_FS_RW
1056 bool "ADFS write support (DANGEROUS)"
1057 depends on ADFS_FS
1058 help
1059 If you say Y here, you will be able to write to ADFS partitions on
1060 hard drives and ADFS-formatted floppy disks. This is experimental
1061 codes, so if you're unsure, say N.
1062
1063config AFFS_FS
1064 tristate "Amiga FFS file system support (EXPERIMENTAL)"
David Howells93614012006-09-30 20:45:40 +02001065 depends on BLOCK && EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -07001066 help
1067 The Fast File System (FFS) is the common file system used on hard
1068 disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20). Say Y
1069 if you want to be able to read and write files from and to an Amiga
1070 FFS partition on your hard drive. Amiga floppies however cannot be
1071 read with this driver due to an incompatibility of the floppy
1072 controller used in an Amiga and the standard floppy controller in
1073 PCs and workstations. Read <file:Documentation/filesystems/affs.txt>
1074 and <file:fs/affs/Changes>.
1075
1076 With this driver you can also mount disk files used by Bernd
1077 Schmidt's Un*X Amiga Emulator
1078 (<http://www.freiburg.linux.de/~uae/>).
1079 If you want to do this, you will also need to say Y or M to "Loop
1080 device support", above.
1081
1082 To compile this file system support as a module, choose M here: the
1083 module will be called affs. If unsure, say N.
1084
Michael Halcrow237fead2006-10-04 02:16:22 -07001085config ECRYPT_FS
1086 tristate "eCrypt filesystem layer support (EXPERIMENTAL)"
Michael Halcrow88b4a072007-02-12 00:53:43 -08001087 depends on EXPERIMENTAL && KEYS && CRYPTO && NET
Michael Halcrow237fead2006-10-04 02:16:22 -07001088 help
1089 Encrypted filesystem that operates on the VFS layer. See
Dirk Hohndele4031492007-10-30 13:37:19 -07001090 <file:Documentation/filesystems/ecryptfs.txt> to learn more about
Michael Halcrow237fead2006-10-04 02:16:22 -07001091 eCryptfs. Userspace components are required and can be
1092 obtained from <http://ecryptfs.sf.net>.
1093
1094 To compile this file system support as a module, choose M here: the
1095 module will be called ecryptfs.
1096
Linus Torvalds1da177e2005-04-16 15:20:36 -07001097config HFS_FS
1098 tristate "Apple Macintosh file system support (EXPERIMENTAL)"
David Howells93614012006-09-30 20:45:40 +02001099 depends on BLOCK && EXPERIMENTAL
Lennert Buytenhek878129a2005-11-07 00:59:18 -08001100 select NLS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001101 help
1102 If you say Y here, you will be able to mount Macintosh-formatted
1103 floppy disks and hard drive partitions with full read-write access.
Johann Felix Soden889c94a2008-01-20 14:41:18 +01001104 Please read <file:Documentation/filesystems/hfs.txt> to learn about
1105 the available mount options.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001106
1107 To compile this file system support as a module, choose M here: the
1108 module will be called hfs.
1109
1110config HFSPLUS_FS
1111 tristate "Apple Extended HFS file system support"
David Howells93614012006-09-30 20:45:40 +02001112 depends on BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -07001113 select NLS
1114 select NLS_UTF8
1115 help
1116 If you say Y here, you will be able to mount extended format
1117 Macintosh-formatted hard drive partitions with full read-write access.
1118
1119 This file system is often called HFS+ and was introduced with
1120 MacOS 8. It includes all Mac specific filesystem data such as
1121 data forks and creator codes, but it also has several UNIX
1122 style features such as file ownership and permissions.
1123
1124config BEFS_FS
1125 tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)"
David Howells93614012006-09-30 20:45:40 +02001126 depends on BLOCK && EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -07001127 select NLS
1128 help
1129 The BeOS File System (BeFS) is the native file system of Be, Inc's
1130 BeOS. Notable features include support for arbitrary attributes
Matt LaPlante3cb2fcc2006-11-30 05:22:59 +01001131 on files and directories, and database-like indices on selected
Linus Torvalds1da177e2005-04-16 15:20:36 -07001132 attributes. (Also note that this driver doesn't make those features
1133 available at this time). It is a 64 bit filesystem, so it supports
Matt LaPlante44c09202006-10-03 22:34:14 +02001134 extremely large volumes and files.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001135
1136 If you use this filesystem, you should also say Y to at least one
1137 of the NLS (native language support) options below.
1138
1139 If you don't know what this is about, say N.
1140
1141 To compile this as a module, choose M here: the module will be
1142 called befs.
1143
1144config BEFS_DEBUG
1145 bool "Debug BeFS"
1146 depends on BEFS_FS
1147 help
1148 If you say Y here, you can use the 'debug' mount option to enable
Andrew Mortonc7736332008-02-05 14:22:58 -08001149 debugging output from the driver.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001150
1151config BFS_FS
1152 tristate "BFS file system support (EXPERIMENTAL)"
David Howells93614012006-09-30 20:45:40 +02001153 depends on BLOCK && EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -07001154 help
1155 Boot File System (BFS) is a file system used under SCO UnixWare to
1156 allow the bootloader access to the kernel image and other important
1157 files during the boot process. It is usually mounted under /stand
1158 and corresponds to the slice marked as "STAND" in the UnixWare
1159 partition. You should say Y if you want to read or write the files
1160 on your /stand slice from within Linux. You then also need to say Y
1161 to "UnixWare slices support", below. More information about the BFS
1162 file system is contained in the file
1163 <file:Documentation/filesystems/bfs.txt>.
1164
1165 If you don't know what this is about, say N.
1166
1167 To compile this as a module, choose M here: the module will be called
1168 bfs. Note that the file system of your root partition (the one
1169 containing the directory /) cannot be compiled as a module.
1170
1171
1172
1173config EFS_FS
1174 tristate "EFS file system support (read only) (EXPERIMENTAL)"
David Howells93614012006-09-30 20:45:40 +02001175 depends on BLOCK && EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -07001176 help
1177 EFS is an older file system used for non-ISO9660 CD-ROMs and hard
1178 disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer
1179 uses the XFS file system for hard disk partitions however).
1180
1181 This implementation only offers read-only access. If you don't know
1182 what all this is about, it's safe to say N. For more information
1183 about EFS see its home page at <http://aeschi.ch.eu.org/efs/>.
1184
1185 To compile the EFS file system support as a module, choose M here: the
1186 module will be called efs.
1187
Linus Torvalds1da177e2005-04-16 15:20:36 -07001188config JFFS2_FS
1189 tristate "Journalling Flash File System v2 (JFFS2) support"
1190 select CRC32
1191 depends on MTD
1192 help
1193 JFFS2 is the second generation of the Journalling Flash File System
1194 for use on diskless embedded devices. It provides improved wear
1195 levelling, compression and support for hard links. You cannot use
1196 this on normal block devices, only on 'MTD' devices.
1197
1198 Further information on the design and implementation of JFFS2 is
1199 available at <http://sources.redhat.com/jffs2/>.
1200
1201config JFFS2_FS_DEBUG
1202 int "JFFS2 debugging verbosity (0 = quiet, 2 = noisy)"
1203 depends on JFFS2_FS
1204 default "0"
1205 help
1206 This controls the amount of debugging messages produced by the JFFS2
1207 code. Set it to zero for use in production systems. For evaluation,
1208 testing and debugging, it's advisable to set it to one. This will
1209 enable a few assertions and will print debugging messages at the
1210 KERN_DEBUG loglevel, where they won't normally be visible. Level 2
1211 is unlikely to be useful - it enables extra debugging in certain
1212 areas which at one point needed debugging, but when the bugs were
1213 located and fixed, the detailed messages were relegated to level 2.
1214
1215 If reporting bugs, please try to have available a full dump of the
1216 messages at debug level 1 while the misbehaviour was occurring.
1217
David Woodhouse2ba72cb2006-06-18 10:22:40 +01001218config JFFS2_FS_WRITEBUFFER
1219 bool "JFFS2 write-buffering support"
KaiGai Koheiaa98d7c2006-05-13 15:09:47 +09001220 depends on JFFS2_FS
David Woodhouse2ba72cb2006-06-18 10:22:40 +01001221 default y
1222 help
1223 This enables the write-buffering support in JFFS2.
1224
1225 This functionality is required to support JFFS2 on the following
1226 types of flash devices:
1227 - NAND flash
1228 - NOR flash with transparent ECC
1229 - DataFlash
1230
David Woodhousea6bc4322007-07-11 14:23:54 +01001231config JFFS2_FS_WBUF_VERIFY
1232 bool "Verify JFFS2 write-buffer reads"
1233 depends on JFFS2_FS_WRITEBUFFER
1234 default n
1235 help
1236 This causes JFFS2 to read back every page written through the
1237 write-buffer, and check for errors.
1238
David Woodhouse2ba72cb2006-06-18 10:22:40 +01001239config JFFS2_SUMMARY
1240 bool "JFFS2 summary support (EXPERIMENTAL)"
1241 depends on JFFS2_FS && EXPERIMENTAL
1242 default n
1243 help
1244 This feature makes it possible to use summary information
1245 for faster filesystem mount.
1246
1247 The summary information can be inserted into a filesystem image
1248 by the utility 'sumtool'.
1249
1250 If unsure, say 'N'.
1251
1252config JFFS2_FS_XATTR
1253 bool "JFFS2 XATTR support (EXPERIMENTAL)"
KaiGai Kohei04510de2006-06-24 09:21:13 +09001254 depends on JFFS2_FS && EXPERIMENTAL
KaiGai Koheiaa98d7c2006-05-13 15:09:47 +09001255 default n
1256 help
1257 Extended attributes are name:value pairs associated with inodes by
1258 the kernel or by users (see the attr(5) manual page, or visit
1259 <http://acl.bestbits.at/> for details).
Andrew Mortonc7736332008-02-05 14:22:58 -08001260
KaiGai Koheiaa98d7c2006-05-13 15:09:47 +09001261 If unsure, say N.
1262
1263config JFFS2_FS_POSIX_ACL
1264 bool "JFFS2 POSIX Access Control Lists"
1265 depends on JFFS2_FS_XATTR
1266 default y
1267 select FS_POSIX_ACL
1268 help
1269 Posix Access Control Lists (ACLs) support permissions for users and
1270 groups beyond the owner/group/world scheme.
Andrew Mortonc7736332008-02-05 14:22:58 -08001271
KaiGai Koheiaa98d7c2006-05-13 15:09:47 +09001272 To learn more about Access Control Lists, visit the Posix ACLs for
1273 Linux website <http://acl.bestbits.at/>.
Andrew Mortonc7736332008-02-05 14:22:58 -08001274
KaiGai Koheiaa98d7c2006-05-13 15:09:47 +09001275 If you don't know what Access Control Lists are, say N
1276
1277config JFFS2_FS_SECURITY
1278 bool "JFFS2 Security Labels"
1279 depends on JFFS2_FS_XATTR
1280 default y
1281 help
1282 Security labels support alternative access control models
1283 implemented by security modules like SELinux. This option
1284 enables an extended attribute handler for file security
1285 labels in the jffs2 filesystem.
Andrew Mortonc7736332008-02-05 14:22:58 -08001286
KaiGai Koheiaa98d7c2006-05-13 15:09:47 +09001287 If you are not using a security module that requires using
1288 extended attributes for file security labels, say N.
1289
Linus Torvalds1da177e2005-04-16 15:20:36 -07001290config JFFS2_COMPRESSION_OPTIONS
1291 bool "Advanced compression options for JFFS2"
1292 depends on JFFS2_FS
1293 default n
1294 help
1295 Enabling this option allows you to explicitly choose which
1296 compression modules, if any, are enabled in JFFS2. Removing
Uwe Kleine-König9e2de402007-12-17 16:19:54 -08001297 compressors can mean you cannot read existing file systems,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001298 and enabling experimental compressors can mean that you
1299 write a file system which cannot be read by a standard kernel.
1300
1301 If unsure, you should _definitely_ say 'N'.
1302
1303config JFFS2_ZLIB
1304 bool "JFFS2 ZLIB compression support" if JFFS2_COMPRESSION_OPTIONS
1305 select ZLIB_INFLATE
1306 select ZLIB_DEFLATE
1307 depends on JFFS2_FS
1308 default y
David Woodhouseef53cb02007-07-10 10:01:22 +01001309 help
1310 Zlib is designed to be a free, general-purpose, legally unencumbered,
1311 lossless data-compression library for use on virtually any computer
1312 hardware and operating system. See <http://www.gzip.org/zlib/> for
1313 further information.
Thomas Gleixner182ec4e2005-11-07 11:16:07 +00001314
David Woodhouseef53cb02007-07-10 10:01:22 +01001315 Say 'Y' if unsure.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001316
Richard Purdiec799aca2007-07-10 10:28:36 +01001317config JFFS2_LZO
1318 bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS
1319 select LZO_COMPRESS
1320 select LZO_DECOMPRESS
1321 depends on JFFS2_FS
David Woodhouse3ca135e2007-08-02 16:32:02 +01001322 default n
Richard Purdiec799aca2007-07-10 10:28:36 +01001323 help
1324 minilzo-based compression. Generally works better than Zlib.
1325
David Woodhouse3ca135e2007-08-02 16:32:02 +01001326 This feature was added in July, 2007. Say 'N' if you need
1327 compatibility with older bootloaders or kernels.
Richard Purdiec799aca2007-07-10 10:28:36 +01001328
Linus Torvalds1da177e2005-04-16 15:20:36 -07001329config JFFS2_RTIME
1330 bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
1331 depends on JFFS2_FS
1332 default y
David Woodhouseef53cb02007-07-10 10:01:22 +01001333 help
1334 Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001335
1336config JFFS2_RUBIN
1337 bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS
1338 depends on JFFS2_FS
1339 default n
David Woodhouseef53cb02007-07-10 10:01:22 +01001340 help
1341 RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001342
1343choice
David Woodhouseef53cb02007-07-10 10:01:22 +01001344 prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
1345 default JFFS2_CMODE_PRIORITY
1346 depends on JFFS2_FS
1347 help
1348 You can set here the default compression mode of JFFS2 from
1349 the available compression modes. Don't touch if unsure.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001350
1351config JFFS2_CMODE_NONE
David Woodhouseef53cb02007-07-10 10:01:22 +01001352 bool "no compression"
1353 help
1354 Uses no compression.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001355
1356config JFFS2_CMODE_PRIORITY
David Woodhouseef53cb02007-07-10 10:01:22 +01001357 bool "priority"
1358 help
1359 Tries the compressors in a predefined order and chooses the first
1360 successful one.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001361
1362config JFFS2_CMODE_SIZE
David Woodhouseef53cb02007-07-10 10:01:22 +01001363 bool "size (EXPERIMENTAL)"
1364 help
1365 Tries all compressors and chooses the one which has the smallest
1366 result.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001367
Richard Purdie3b23c1f2007-07-10 10:28:42 +01001368config JFFS2_CMODE_FAVOURLZO
1369 bool "Favour LZO"
1370 help
1371 Tries all compressors and chooses the one which has the smallest
1372 result but gives some preference to LZO (which has faster
1373 decompression) at the expense of size.
1374
Linus Torvalds1da177e2005-04-16 15:20:36 -07001375endchoice
1376
1377config CRAMFS
1378 tristate "Compressed ROM file system support (cramfs)"
David Howells93614012006-09-30 20:45:40 +02001379 depends on BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -07001380 select ZLIB_INFLATE
1381 help
1382 Saying Y here includes support for CramFs (Compressed ROM File
1383 System). CramFs is designed to be a simple, small, and compressed
1384 file system for ROM based embedded systems. CramFs is read-only,
1385 limited to 256MB file systems (with 16MB files), and doesn't support
1386 16/32 bits uid/gid, hard links and timestamps.
1387
1388 See <file:Documentation/filesystems/cramfs.txt> and
1389 <file:fs/cramfs/README> for further information.
1390
1391 To compile this as a module, choose M here: the module will be called
1392 cramfs. Note that the root file system (the one containing the
1393 directory /) cannot be compiled as a module.
1394
1395 If unsure, say N.
1396
1397config VXFS_FS
1398 tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)"
David Howells93614012006-09-30 20:45:40 +02001399 depends on BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -07001400 help
1401 FreeVxFS is a file system driver that support the VERITAS VxFS(TM)
1402 file system format. VERITAS VxFS(TM) is the standard file system
1403 of SCO UnixWare (and possibly others) and optionally available
1404 for Sunsoft Solaris, HP-UX and many other operating systems.
1405 Currently only readonly access is supported.
1406
1407 NOTE: the file system type as used by mount(1), mount(2) and
1408 fstab(5) is 'vxfs' as it describes the file system format, not
1409 the actual driver.
1410
1411 To compile this as a module, choose M here: the module will be
1412 called freevxfs. If unsure, say N.
1413
Randy Dunlap25fad942008-02-07 00:15:16 -08001414config MINIX_FS
1415 tristate "Minix file system support"
1416 depends on BLOCK
1417 help
1418 Minix is a simple operating system used in many classes about OS's.
1419 The minix file system (method to organize files on a hard disk
1420 partition or a floppy disk) was the original file system for Linux,
1421 but has been superseded by the second extended file system ext2fs.
1422 You don't want to use the minix file system on your hard disk
1423 because of certain built-in restrictions, but it is sometimes found
1424 on older Linux floppy disks. This option will enlarge your kernel
1425 by about 28 KB. If unsure, say N.
1426
1427 To compile this file system support as a module, choose M here: the
1428 module will be called minix. Note that the file system of your root
1429 partition (the one containing the directory /) cannot be compiled as
1430 a module.
1431
Linus Torvalds1da177e2005-04-16 15:20:36 -07001432
1433config HPFS_FS
1434 tristate "OS/2 HPFS file system support"
David Howells93614012006-09-30 20:45:40 +02001435 depends on BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -07001436 help
1437 OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS
1438 is the file system used for organizing files on OS/2 hard disk
1439 partitions. Say Y if you want to be able to read files from and
1440 write files to an OS/2 HPFS partition on your hard drive. OS/2
1441 floppies however are in regular MSDOS format, so you don't need this
1442 option in order to be able to read them. Read
1443 <file:Documentation/filesystems/hpfs.txt>.
1444
1445 To compile this file system support as a module, choose M here: the
1446 module will be called hpfs. If unsure, say N.
1447
1448
Linus Torvalds1da177e2005-04-16 15:20:36 -07001449config QNX4FS_FS
1450 tristate "QNX4 file system support (read only)"
David Howells93614012006-09-30 20:45:40 +02001451 depends on BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -07001452 help
1453 This is the file system used by the real-time operating systems
1454 QNX 4 and QNX 6 (the latter is also called QNX RTP).
1455 Further information is available at <http://www.qnx.com/>.
1456 Say Y if you intend to mount QNX hard disks or floppies.
1457 Unless you say Y to "QNX4FS read-write support" below, you will
1458 only be able to read these file systems.
1459
1460 To compile this file system support as a module, choose M here: the
1461 module will be called qnx4.
1462
1463 If you don't know whether you need it, then you don't need it:
1464 answer N.
1465
1466config QNX4FS_RW
1467 bool "QNX4FS write support (DANGEROUS)"
1468 depends on QNX4FS_FS && EXPERIMENTAL && BROKEN
1469 help
1470 Say Y if you want to test write support for QNX4 file systems.
1471
1472 It's currently broken, so for now:
1473 answer N.
1474
Randy Dunlap25fad942008-02-07 00:15:16 -08001475config ROMFS_FS
1476 tristate "ROM file system support"
1477 depends on BLOCK
1478 ---help---
1479 This is a very small read-only file system mainly intended for
1480 initial ram disks of installation disks, but it could be used for
1481 other read-only media as well. Read
1482 <file:Documentation/filesystems/romfs.txt> for details.
1483
1484 To compile this file system support as a module, choose M here: the
1485 module will be called romfs. Note that the file system of your
1486 root partition (the one containing the directory /) cannot be a
1487 module.
1488
1489 If you don't know whether you need it, then you don't need it:
1490 answer N.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001491
1492
1493config SYSV_FS
1494 tristate "System V/Xenix/V7/Coherent file system support"
David Howells93614012006-09-30 20:45:40 +02001495 depends on BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -07001496 help
1497 SCO, Xenix and Coherent are commercial Unix systems for Intel
1498 machines, and Version 7 was used on the DEC PDP-11. Saying Y
1499 here would allow you to read from their floppies and hard disk
1500 partitions.
1501
1502 If you have floppies or hard disk partitions like that, it is likely
1503 that they contain binaries from those other Unix systems; in order
Matt LaPlantecab00892006-10-03 22:36:44 +02001504 to run these binaries, you will want to install linux-abi which is
Linus Torvalds1da177e2005-04-16 15:20:36 -07001505 a set of kernel modules that lets you run SCO, Xenix, Wyse,
1506 UnixWare, Dell Unix and System V programs under Linux. It is
1507 available via FTP (user: ftp) from
1508 <ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>).
1509 NOTE: that will work only for binaries from Intel-based systems;
1510 PDP ones will have to wait until somebody ports Linux to -11 ;-)
1511
1512 If you only intend to mount files from some other Unix over the
1513 network using NFS, you don't need the System V file system support
1514 (but you need NFS file system support obviously).
1515
1516 Note that this option is generally not needed for floppies, since a
1517 good portable way to transport files and directories between unixes
1518 (and even other operating systems) is given by the tar program ("man
1519 tar" or preferably "info tar"). Note also that this option has
1520 nothing whatsoever to do with the option "System V IPC". Read about
1521 the System V file system in
1522 <file:Documentation/filesystems/sysv-fs.txt>.
1523 Saying Y here will enlarge your kernel by about 27 KB.
1524
1525 To compile this as a module, choose M here: the module will be called
1526 sysv.
1527
1528 If you haven't heard about all of this before, it's safe to say N.
1529
1530
Linus Torvalds1da177e2005-04-16 15:20:36 -07001531config UFS_FS
1532 tristate "UFS file system support (read only)"
David Howells93614012006-09-30 20:45:40 +02001533 depends on BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -07001534 help
1535 BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD,
1536 OpenBSD and NeXTstep) use a file system called UFS. Some System V
1537 Unixes can create and mount hard disk partitions and diskettes using
1538 this file system as well. Saying Y here will allow you to read from
1539 these partitions; if you also want to write to them, say Y to the
1540 experimental "UFS file system write support", below. Please read the
1541 file <file:Documentation/filesystems/ufs.txt> for more information.
1542
1543 The recently released UFS2 variant (used in FreeBSD 5.x) is
1544 READ-ONLY supported.
1545
1546 If you only intend to mount files from some other Unix over the
1547 network using NFS, you don't need the UFS file system support (but
1548 you need NFS file system support obviously).
1549
1550 Note that this option is generally not needed for floppies, since a
1551 good portable way to transport files and directories between unixes
1552 (and even other operating systems) is given by the tar program ("man
1553 tar" or preferably "info tar").
1554
1555 When accessing NeXTstep files, you may need to convert them from the
1556 NeXT character set to the Latin1 character set; use the program
1557 recode ("info recode") for this purpose.
1558
1559 To compile the UFS file system support as a module, choose M here: the
1560 module will be called ufs.
1561
1562 If you haven't heard about all of this before, it's safe to say N.
1563
1564config UFS_FS_WRITE
1565 bool "UFS file system write support (DANGEROUS)"
Evgeniy Dushistov5afb3142006-06-25 05:47:24 -07001566 depends on UFS_FS && EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -07001567 help
1568 Say Y here if you want to try writing to UFS partitions. This is
1569 experimental, so you should back up your UFS partitions beforehand.
1570
Evgeniy Dushistovabf5d152006-06-25 05:47:24 -07001571config UFS_DEBUG
1572 bool "UFS debugging"
1573 depends on UFS_FS
1574 help
1575 If you are experiencing any problems with the UFS filesystem, say
1576 Y here. This will result in _many_ additional debugging messages to be
1577 written to the system log.
1578
Linus Torvalds1da177e2005-04-16 15:20:36 -07001579endmenu
1580
Jan Engelhardtea0985a2007-10-16 23:30:16 -07001581menuconfig NETWORK_FILESYSTEMS
1582 bool "Network File Systems"
1583 default y
Linus Torvalds1da177e2005-04-16 15:20:36 -07001584 depends on NET
Jan Engelhardtea0985a2007-10-16 23:30:16 -07001585 ---help---
1586 Say Y here to get to see options for network filesystems and
1587 filesystem-related networking code, such as NFS daemon and
1588 RPCSEC security modules.
1589 This option alone does not add any kernel code.
1590
1591 If you say N, all options in this submenu will be skipped and
1592 disabled; if unsure, say Y here.
1593
1594if NETWORK_FILESYSTEMS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001595
1596config NFS_FS
1597 tristate "NFS file system support"
1598 depends on INET
1599 select LOCKD
1600 select SUNRPC
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +00001601 select NFS_ACL_SUPPORT if NFS_V3_ACL
Linus Torvalds1da177e2005-04-16 15:20:36 -07001602 help
1603 If you are connected to some other (usually local) Unix computer
1604 (using SLIP, PLIP, PPP or Ethernet) and want to mount files residing
1605 on that computer (the NFS server) using the Network File Sharing
1606 protocol, say Y. "Mounting files" means that the client can access
1607 the files with usual UNIX commands as if they were sitting on the
1608 client's hard disk. For this to work, the server must run the
1609 programs nfsd and mountd (but does not need to have NFS file system
1610 support enabled in its kernel). NFS is explained in the Network
1611 Administrator's Guide, available from
1612 <http://www.tldp.org/docs.html#guide>, on its man page: "man
1613 nfs", and in the NFS-HOWTO.
1614
1615 A superior but less widely used alternative to NFS is provided by
1616 the Coda file system; see "Coda file system support" below.
1617
1618 If you say Y here, you should have said Y to TCP/IP networking also.
1619 This option would enlarge your kernel by about 27 KB.
1620
1621 To compile this file system support as a module, choose M here: the
1622 module will be called nfs.
1623
1624 If you are configuring a diskless machine which will mount its root
1625 file system over NFS at boot time, say Y here and to "Kernel
1626 level IP autoconfiguration" above and to "Root file system on NFS"
1627 below. You cannot compile this driver as a module in this case.
1628 There are two packages designed for booting diskless machines over
1629 the net: netboot, available from
1630 <http://ftp1.sourceforge.net/netboot/>, and Etherboot,
1631 available from <http://ftp1.sourceforge.net/etherboot/>.
1632
1633 If you don't know what all this is about, say N.
1634
1635config NFS_V3
1636 bool "Provide NFSv3 client support"
1637 depends on NFS_FS
1638 help
1639 Say Y here if you want your NFS client to be able to speak version
1640 3 of the NFS protocol.
1641
1642 If unsure, say Y.
1643
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +00001644config NFS_V3_ACL
1645 bool "Provide client support for the NFSv3 ACL protocol extension"
1646 depends on NFS_V3
1647 help
1648 Implement the NFSv3 ACL protocol extension for manipulating POSIX
1649 Access Control Lists. The server should also be compiled with
1650 the NFSv3 ACL protocol extension; see the CONFIG_NFSD_V3_ACL option.
1651
1652 If unsure, say N.
1653
Linus Torvalds1da177e2005-04-16 15:20:36 -07001654config NFS_V4
1655 bool "Provide NFSv4 client support (EXPERIMENTAL)"
1656 depends on NFS_FS && EXPERIMENTAL
1657 select RPCSEC_GSS_KRB5
1658 help
1659 Say Y here if you want your NFS client to be able to speak the newer
1660 version 4 of the NFS protocol.
1661
1662 Note: Requires auxiliary userspace daemons which may be found on
1663 http://www.citi.umich.edu/projects/nfsv4/
1664
1665 If unsure, say N.
1666
1667config NFS_DIRECTIO
Chuck Lever026ed5c2006-09-20 14:33:07 -04001668 bool "Allow direct I/O on NFS files"
1669 depends on NFS_FS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001670 help
1671 This option enables applications to perform uncached I/O on files
1672 in NFS file systems using the O_DIRECT open() flag. When O_DIRECT
1673 is set for a file, its data is not cached in the system's page
1674 cache. Data is moved to and from user-level application buffers
1675 directly. Unlike local disk-based file systems, NFS O_DIRECT has
1676 no alignment restrictions.
1677
1678 Unless your program is designed to use O_DIRECT properly, you are
1679 much better off allowing the NFS client to manage data caching for
1680 you. Misusing O_DIRECT can cause poor server performance or network
1681 storms. This kernel build option defaults OFF to avoid exposing
1682 system administrators unwittingly to a potentially hazardous
1683 feature.
1684
1685 For more details on NFS O_DIRECT, see fs/nfs/direct.c.
1686
1687 If unsure, say N. This reduces the size of the NFS client, and
1688 causes open() to return EINVAL if a file residing in NFS is
1689 opened with the O_DIRECT flag.
1690
1691config NFSD
1692 tristate "NFS server support"
1693 depends on INET
1694 select LOCKD
1695 select SUNRPC
1696 select EXPORTFS
Herbert Xuf05e15b2006-06-26 00:25:39 -07001697 select NFS_ACL_SUPPORT if NFSD_V2_ACL
Herbert Xuf05e15b2006-06-26 00:25:39 -07001698 select CRYPTO_MD5 if NFSD_V4
1699 select CRYPTO if NFSD_V4
J. Bruce Fields440bcc52007-11-12 17:09:49 -05001700 select PROC_FS if NFSD_V4
1701 select PROC_FS if SUNRPC_GSS
Linus Torvalds1da177e2005-04-16 15:20:36 -07001702 help
Chuck Leverd24455b2008-02-11 17:11:54 -05001703 Choose Y here if you want to allow other computers to access
1704 files residing on this system using Sun's Network File System
1705 protocol. To compile the NFS server support as a module,
1706 choose M here: the module will be called nfsd.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001707
Chuck Leverd24455b2008-02-11 17:11:54 -05001708 You may choose to use a user-space NFS server instead, in which
1709 case you can choose N here.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001710
Chuck Leverd24455b2008-02-11 17:11:54 -05001711 To export local file systems using NFS, you also need to install
1712 user space programs which can be found in the Linux nfs-utils
1713 package, available from http://linux-nfs.org/. More detail about
1714 the Linux NFS server implementation is available via the
1715 exports(5) man page.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001716
Chuck Leverd24455b2008-02-11 17:11:54 -05001717 Below you can choose which versions of the NFS protocol are
1718 available to clients mounting the NFS server on this system.
1719 Support for NFS version 2 (RFC 1094) is always available when
1720 CONFIG_NFSD is selected.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001721
Chuck Leverd24455b2008-02-11 17:11:54 -05001722 If unsure, say N.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001723
Andreas Gruenbachera257cdd2005-06-22 17:16:26 +00001724config NFSD_V2_ACL
1725 bool
1726 depends on NFSD
1727
Linus Torvalds1da177e2005-04-16 15:20:36 -07001728config NFSD_V3
Chuck Leverd24455b2008-02-11 17:11:54 -05001729 bool "NFS server support for NFS version 3"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001730 depends on NFSD
1731 help
Chuck Leverd24455b2008-02-11 17:11:54 -05001732 This option enables support in your system's NFS server for
1733 version 3 of the NFS protocol (RFC 1813).
1734
1735 If unsure, say Y.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001736
Andreas Gruenbachera257cdd2005-06-22 17:16:26 +00001737config NFSD_V3_ACL
Chuck Leverd24455b2008-02-11 17:11:54 -05001738 bool "NFS server support for the NFSv3 ACL protocol extension"
Andreas Gruenbachera257cdd2005-06-22 17:16:26 +00001739 depends on NFSD_V3
Chuck Lever78dd0992008-02-11 17:12:31 -05001740 select NFSD_V2_ACL
Andreas Gruenbachera257cdd2005-06-22 17:16:26 +00001741 help
Chuck Leverd24455b2008-02-11 17:11:54 -05001742 Solaris NFS servers support an auxiliary NFSv3 ACL protocol that
1743 never became an official part of the NFS version 3 protocol.
1744 This protocol extension allows applications on NFS clients to
1745 manipulate POSIX Access Control Lists on files residing on NFS
1746 servers. NFS servers enforce POSIX ACLs on local files whether
1747 this protocol is available or not.
1748
1749 This option enables support in your system's NFS server for the
1750 NFSv3 ACL protocol extension allowing NFS clients to manipulate
1751 POSIX ACLs on files exported by your system's NFS server. NFS
1752 clients which support the Solaris NFSv3 ACL protocol can then
1753 access and modify ACLs on your NFS server.
1754
1755 To store ACLs on your NFS server, you also need to enable ACL-
1756 related CONFIG options for your local file systems of choice.
1757
1758 If unsure, say N.
Andreas Gruenbachera257cdd2005-06-22 17:16:26 +00001759
Linus Torvalds1da177e2005-04-16 15:20:36 -07001760config NFSD_V4
Chuck Leverd24455b2008-02-11 17:11:54 -05001761 bool "NFS server support for NFS version 4 (EXPERIMENTAL)"
Trond Myklebust8cd69e12007-07-19 10:03:34 -04001762 depends on NFSD && NFSD_V3 && EXPERIMENTAL
Chuck Lever89206952008-02-11 17:12:24 -05001763 select FS_POSIX_ACL
J. Bruce Fields42ed95c2007-07-17 04:04:41 -07001764 select RPCSEC_GSS_KRB5
Linus Torvalds1da177e2005-04-16 15:20:36 -07001765 help
Chuck Leverd24455b2008-02-11 17:11:54 -05001766 This option enables support in your system's NFS server for
1767 version 4 of the NFS protocol (RFC 3530).
1768
1769 To export files using NFSv4, you need to install additional user
1770 space programs which can be found in the Linux nfs-utils package,
1771 available from http://linux-nfs.org/.
1772
Linus Torvalds1da177e2005-04-16 15:20:36 -07001773 If unsure, say N.
1774
Linus Torvalds1da177e2005-04-16 15:20:36 -07001775config ROOT_NFS
1776 bool "Root file system on NFS"
1777 depends on NFS_FS=y && IP_PNP
1778 help
1779 If you want your Linux box to mount its whole root file system (the
1780 one containing the directory /) from some other computer over the
1781 net via NFS (presumably because your box doesn't have a hard disk),
J. Bruce Fields6ded55d2008-04-07 15:59:03 -04001782 say Y. Read <file:Documentation/filesystems/nfsroot.txt> for
1783 details. It is likely that in this case, you also want to say Y to
1784 "Kernel level IP autoconfiguration" so that your box can discover
1785 its network address at boot time.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001786
1787 Most people say N here.
1788
1789config LOCKD
1790 tristate
1791
1792config LOCKD_V4
1793 bool
1794 depends on NFSD_V3 || NFS_V3
1795 default y
1796
1797config EXPORTFS
1798 tristate
1799
Andreas Gruenbachera257cdd2005-06-22 17:16:26 +00001800config NFS_ACL_SUPPORT
1801 tristate
1802 select FS_POSIX_ACL
1803
1804config NFS_COMMON
1805 bool
1806 depends on NFSD || NFS_FS
1807 default y
1808
Linus Torvalds1da177e2005-04-16 15:20:36 -07001809config SUNRPC
1810 tristate
1811
1812config SUNRPC_GSS
1813 tristate
1814
\"Talpey, Thomas\c3a57ed2007-09-10 13:49:15 -04001815config SUNRPC_XPRT_RDMA
James Lentini3211e4e2008-01-28 12:09:28 -05001816 tristate
\"Talpey, Thomas\113632d2007-09-20 17:37:58 -04001817 depends on SUNRPC && INFINIBAND && EXPERIMENTAL
James Lentini3211e4e2008-01-28 12:09:28 -05001818 default SUNRPC && INFINIBAND
\"Talpey, Thomas\c3a57ed2007-09-10 13:49:15 -04001819
Chuck Lever00a6e7b2007-03-29 16:48:33 -04001820config SUNRPC_BIND34
1821 bool "Support for rpcbind versions 3 & 4 (EXPERIMENTAL)"
1822 depends on SUNRPC && EXPERIMENTAL
1823 help
1824 Provides kernel support for querying rpcbind servers via versions 3
1825 and 4 of the rpcbind protocol. The kernel automatically falls back
1826 to version 2 if a remote rpcbind service does not support versions
1827 3 or 4.
1828
1829 If unsure, say N to get traditional behavior (version 2 rpcbind
1830 requests only).
1831
Linus Torvalds1da177e2005-04-16 15:20:36 -07001832config RPCSEC_GSS_KRB5
1833 tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)"
1834 depends on SUNRPC && EXPERIMENTAL
1835 select SUNRPC_GSS
1836 select CRYPTO
1837 select CRYPTO_MD5
1838 select CRYPTO_DES
Patrick McHardybcbaecb2006-10-25 16:49:36 +10001839 select CRYPTO_CBC
Linus Torvalds1da177e2005-04-16 15:20:36 -07001840 help
1841 Provides for secure RPC calls by means of a gss-api
1842 mechanism based on Kerberos V5. This is required for
1843 NFSv4.
1844
1845 Note: Requires an auxiliary userspace daemon which may be found on
1846 http://www.citi.umich.edu/projects/nfsv4/
1847
1848 If unsure, say N.
1849
1850config RPCSEC_GSS_SPKM3
1851 tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)"
1852 depends on SUNRPC && EXPERIMENTAL
1853 select SUNRPC_GSS
1854 select CRYPTO
1855 select CRYPTO_MD5
1856 select CRYPTO_DES
J. Bruce Fieldsdf6db302006-03-20 23:25:10 -05001857 select CRYPTO_CAST5
Patrick McHardybcbaecb2006-10-25 16:49:36 +10001858 select CRYPTO_CBC
Linus Torvalds1da177e2005-04-16 15:20:36 -07001859 help
1860 Provides for secure RPC calls by means of a gss-api
1861 mechanism based on the SPKM3 public-key mechanism.
1862
1863 Note: Requires an auxiliary userspace daemon which may be found on
1864 http://www.citi.umich.edu/projects/nfsv4/
1865
1866 If unsure, say N.
1867
1868config SMB_FS
Andrew Mortonc7736332008-02-05 14:22:58 -08001869 tristate "SMB file system support (OBSOLETE, please use CIFS)"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001870 depends on INET
1871 select NLS
1872 help
1873 SMB (Server Message Block) is the protocol Windows for Workgroups
1874 (WfW), Windows 95/98, Windows NT and OS/2 Lan Manager use to share
1875 files and printers over local networks. Saying Y here allows you to
1876 mount their file systems (often called "shares" in this context) and
1877 access them just like any other Unix directory. Currently, this
1878 works only if the Windows machines use TCP/IP as the underlying
1879 transport protocol, and not NetBEUI. For details, read
1880 <file:Documentation/filesystems/smbfs.txt> and the SMB-HOWTO,
1881 available from <http://www.tldp.org/docs.html#howto>.
1882
1883 Note: if you just want your box to act as an SMB *server* and make
1884 files and printing services available to Windows clients (which need
1885 to have a TCP/IP stack), you don't need to say Y here; you can use
1886 the program SAMBA (available from <ftp://ftp.samba.org/pub/samba/>)
1887 for that.
1888
1889 General information about how to connect Linux, Windows machines and
1890 Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>.
1891
Andrew Mortonc7736332008-02-05 14:22:58 -08001892 To compile the SMB support as a module, choose M here:
1893 the module will be called smbfs. Most people say N, however.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001894
1895config SMB_NLS_DEFAULT
1896 bool "Use a default NLS"
1897 depends on SMB_FS
1898 help
1899 Enabling this will make smbfs use nls translations by default. You
1900 need to specify the local charset (CONFIG_NLS_DEFAULT) in the nls
1901 settings and you need to give the default nls for the SMB server as
1902 CONFIG_SMB_NLS_REMOTE.
1903
1904 The nls settings can be changed at mount time, if your smbmount
1905 supports that, using the codepage and iocharset parameters.
1906
1907 smbmount from samba 2.2.0 or later supports this.
1908
1909config SMB_NLS_REMOTE
1910 string "Default Remote NLS Option"
1911 depends on SMB_NLS_DEFAULT
1912 default "cp437"
1913 help
1914 This setting allows you to specify a default value for which
1915 codepage the server uses. If this field is left blank no
1916 translations will be done by default. The local codepage/charset
1917 default to CONFIG_NLS_DEFAULT.
1918
1919 The nls settings can be changed at mount time, if your smbmount
1920 supports that, using the codepage and iocharset parameters.
1921
1922 smbmount from samba 2.2.0 or later supports this.
1923
1924config CIFS
Andrew Mortonc7736332008-02-05 14:22:58 -08001925 tristate "CIFS support (advanced network filesystem, SMBFS successor)"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001926 depends on INET
1927 select NLS
1928 help
1929 This is the client VFS module for the Common Internet File System
1930 (CIFS) protocol which is the successor to the Server Message Block
1931 (SMB) protocol, the native file sharing mechanism for most early
1932 PC operating systems. The CIFS protocol is fully supported by
1933 file servers such as Windows 2000 (including Windows 2003, NT 4
1934 and Windows XP) as well by Samba (which provides excellent CIFS
Steve Frenchec58ef02005-11-04 09:44:33 -08001935 server support for Linux and many other operating systems). Limited
Steve French61033352008-01-09 16:21:36 +00001936 support for OS/2 and Windows ME and similar servers is provided as
1937 well.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001938
Steve French61033352008-01-09 16:21:36 +00001939 The cifs module provides an advanced network file system
1940 client for mounting to CIFS compliant servers. It includes
1941 support for DFS (hierarchical name space), secure per-user
1942 session establishment via Kerberos or NTLM or NTLMv2,
1943 safe distributed caching (oplock), optional packet
1944 signing, Unicode and other internationalization improvements.
Steve French8af18972007-02-14 04:42:51 +00001945 If you need to mount to Samba or Windows from this machine, say Y.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001946
1947config CIFS_STATS
1948 bool "CIFS statistics"
1949 depends on CIFS
1950 help
1951 Enabling this option will cause statistics for each server share
1952 mounted by the cifs client to be displayed in /proc/fs/cifs/Stats
1953
Steve Frenchec58ef02005-11-04 09:44:33 -08001954config CIFS_STATS2
Steve French39798772006-05-31 22:40:51 +00001955 bool "Extended statistics"
Steve Frenchec58ef02005-11-04 09:44:33 -08001956 depends on CIFS_STATS
1957 help
1958 Enabling this option will allow more detailed statistics on SMB
1959 request timing to be displayed in /proc/fs/cifs/DebugData and also
1960 allow optional logging of slow responses to dmesg (depending on the
1961 value of /proc/fs/cifs/cifsFYI, see fs/cifs/README for more details).
1962 These additional statistics may have a minor effect on performance
1963 and memory utilization.
1964
1965 Unless you are a developer or are doing network performance analysis
1966 or tuning, say N.
1967
Steve French39798772006-05-31 22:40:51 +00001968config CIFS_WEAK_PW_HASH
1969 bool "Support legacy servers which use weaker LANMAN security"
1970 depends on CIFS
1971 help
1972 Modern CIFS servers including Samba and most Windows versions
1973 (since 1997) support stronger NTLM (and even NTLMv2 and Kerberos)
1974 security mechanisms. These hash the password more securely
1975 than the mechanisms used in the older LANMAN version of the
Steve French61033352008-01-09 16:21:36 +00001976 SMB protocol but LANMAN based authentication is needed to
1977 establish sessions with some old SMB servers.
Steve French39798772006-05-31 22:40:51 +00001978
1979 Enabling this option allows the cifs module to mount to older
1980 LANMAN based servers such as OS/2 and Windows 95, but such
1981 mounts may be less secure than mounts using NTLM or more recent
1982 security mechanisms if you are on a public network. Unless you
Andrew Mortonc7736332008-02-05 14:22:58 -08001983 have a need to access old SMB servers (and are on a private
Steve French39798772006-05-31 22:40:51 +00001984 network) you probably want to say N. Even if this support
Steve French61033352008-01-09 16:21:36 +00001985 is enabled in the kernel build, LANMAN authentication will not be
1986 used automatically. At runtime LANMAN mounts are disabled but
Steve French39798772006-05-31 22:40:51 +00001987 can be set to required (or optional) either in
1988 /proc/fs/cifs (see fs/cifs/README for more detail) or via an
Andrew Mortonc7736332008-02-05 14:22:58 -08001989 option on the mount command. This support is disabled by
Steve French39798772006-05-31 22:40:51 +00001990 default in order to reduce the possibility of a downgrade
1991 attack.
Andrew Mortonc7736332008-02-05 14:22:58 -08001992
Steve French39798772006-05-31 22:40:51 +00001993 If unsure, say N.
1994
Linus Torvalds1da177e2005-04-16 15:20:36 -07001995config CIFS_XATTR
Steve Frenchec58ef02005-11-04 09:44:33 -08001996 bool "CIFS extended attributes"
Linus Torvalds1da177e2005-04-16 15:20:36 -07001997 depends on CIFS
1998 help
1999 Extended attributes are name:value pairs associated with inodes by
2000 the kernel or by users (see the attr(5) manual page, or visit
2001 <http://acl.bestbits.at/> for details). CIFS maps the name of
2002 extended attributes beginning with the user namespace prefix
2003 to SMB/CIFS EAs. EAs are stored on Windows servers without the
2004 user namespace prefix, but their names are seen by Linux cifs clients
2005 prefaced by the user namespace prefix. The system namespace
2006 (used by some filesystems to store ACLs) is not supported at
2007 this time.
Steve Frenchec58ef02005-11-04 09:44:33 -08002008
Linus Torvalds1da177e2005-04-16 15:20:36 -07002009 If unsure, say N.
2010
2011config CIFS_POSIX
Steve Frenchec58ef02005-11-04 09:44:33 -08002012 bool "CIFS POSIX Extensions"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002013 depends on CIFS_XATTR
2014 help
2015 Enabling this option will cause the cifs client to attempt to
2016 negotiate a newer dialect with servers, such as Samba 3.0.5
2017 or later, that optionally can handle more POSIX like (rather
2018 than Windows like) file behavior. It also enables
2019 support for POSIX ACLs (getfacl and setfacl) to servers
2020 (such as Samba 3.10 and later) which can negotiate
2021 CIFS POSIX ACL support. If unsure, say N.
2022
Steve French39798772006-05-31 22:40:51 +00002023config CIFS_DEBUG2
Steve French3856a9d2006-06-01 19:38:46 +00002024 bool "Enable additional CIFS debugging routines"
Steve French8ba10ab2006-07-08 02:17:40 +00002025 depends on CIFS
Steve French39798772006-05-31 22:40:51 +00002026 help
2027 Enabling this option adds a few more debugging routines
2028 to the cifs code which slightly increases the size of
2029 the cifs module and can cause additional logging of debug
2030 messages in some error paths, slowing performance. This
2031 option can be turned off unless you are debugging
2032 cifs problems. If unsure, say N.
Andrew Mortonc7736332008-02-05 14:22:58 -08002033
Linus Torvalds1da177e2005-04-16 15:20:36 -07002034config CIFS_EXPERIMENTAL
2035 bool "CIFS Experimental Features (EXPERIMENTAL)"
Steve Frenchcb9dbff2005-11-02 11:37:15 -08002036 depends on CIFS && EXPERIMENTAL
Linus Torvalds1da177e2005-04-16 15:20:36 -07002037 help
Steve Frenchec58ef02005-11-04 09:44:33 -08002038 Enables cifs features under testing. These features are
Steve French8af18972007-02-14 04:42:51 +00002039 experimental and currently include DFS support and directory
2040 change notification ie fcntl(F_DNOTIFY), as well as the upcall
2041 mechanism which will be used for Kerberos session negotiation
2042 and uid remapping. Some of these features also may depend on
2043 setting a value of 1 to the pseudo-file /proc/fs/cifs/Experimental
2044 (which is disabled by default). See the file fs/cifs/README
2045 for more details. If unsure, say N.
Linus Torvalds1da177e2005-04-16 15:20:36 -07002046
Steve Frencha2653eb2005-11-10 15:33:38 -08002047config CIFS_UPCALL
Steve French39798772006-05-31 22:40:51 +00002048 bool "Kerberos/SPNEGO advanced session setup (EXPERIMENTAL)"
Steve Frencha2653eb2005-11-10 15:33:38 -08002049 depends on CIFS_EXPERIMENTAL
Jeff Layton09fe7ba2007-11-03 04:48:29 +00002050 depends on KEYS
Steve Frencha2653eb2005-11-10 15:33:38 -08002051 help
Steve French61033352008-01-09 16:21:36 +00002052 Enables an upcall mechanism for CIFS which accesses
2053 userspace helper utilities to provide SPNEGO packaged (RFC 4178)
2054 Kerberos tickets which are needed to mount to certain secure servers
Steve French1b397f42005-11-10 19:36:39 -08002055 (for which more secure Kerberos authentication is required). If
2056 unsure, say N.
Steve Frencha2653eb2005-11-10 15:33:38 -08002057
Steve French61033352008-01-09 16:21:36 +00002058config CIFS_DFS_UPCALL
2059 bool "DFS feature support (EXPERIMENTAL)"
2060 depends on CIFS_EXPERIMENTAL
2061 depends on KEYS
2062 help
2063 Enables an upcall mechanism for CIFS which contacts userspace
2064 helper utilities to provide server name resolution (host names to
2065 IP addresses) which is needed for implicit mounts of DFS junction
2066 points. If unsure, say N.
2067
Linus Torvalds1da177e2005-04-16 15:20:36 -07002068config NCP_FS
2069 tristate "NCP file system support (to mount NetWare volumes)"
2070 depends on IPX!=n || INET
2071 help
2072 NCP (NetWare Core Protocol) is a protocol that runs over IPX and is
2073 used by Novell NetWare clients to talk to file servers. It is to
2074 IPX what NFS is to TCP/IP, if that helps. Saying Y here allows you
2075 to mount NetWare file server volumes and to access them just like
2076 any other Unix directory. For details, please read the file
2077 <file:Documentation/filesystems/ncpfs.txt> in the kernel source and
2078 the IPX-HOWTO from <http://www.tldp.org/docs.html#howto>.
2079
2080 You do not have to say Y here if you want your Linux box to act as a
2081 file *server* for Novell NetWare clients.
2082
2083 General information about how to connect Linux, Windows machines and
2084 Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>.
2085
2086 To compile this as a module, choose M here: the module will be called
2087 ncpfs. Say N unless you are connected to a Novell network.
2088
2089source "fs/ncpfs/Kconfig"
2090
2091config CODA_FS
2092 tristate "Coda file system support (advanced network fs)"
2093 depends on INET
2094 help
2095 Coda is an advanced network file system, similar to NFS in that it
2096 enables you to mount file systems of a remote server and access them
2097 with regular Unix commands as if they were sitting on your hard
2098 disk. Coda has several advantages over NFS: support for
2099 disconnected operation (e.g. for laptops), read/write server
2100 replication, security model for authentication and encryption,
2101 persistent client caches and write back caching.
2102
2103 If you say Y here, your Linux box will be able to act as a Coda
2104 *client*. You will need user level code as well, both for the
2105 client and server. Servers are currently user level, i.e. they need
2106 no kernel support. Please read
2107 <file:Documentation/filesystems/coda.txt> and check out the Coda
2108 home page <http://www.coda.cs.cmu.edu/>.
2109
2110 To compile the coda client support as a module, choose M here: the
2111 module will be called coda.
2112
2113config CODA_FS_OLD_API
2114 bool "Use 96-bit Coda file identifiers"
2115 depends on CODA_FS
2116 help
2117 A new kernel-userspace API had to be introduced for Coda v6.0
2118 to support larger 128-bit file identifiers as needed by the
2119 new realms implementation.
2120
2121 However this new API is not backward compatible with older
2122 clients. If you really need to run the old Coda userspace
2123 cache manager then say Y.
Andrew Mortonc7736332008-02-05 14:22:58 -08002124
Linus Torvalds1da177e2005-04-16 15:20:36 -07002125 For most cases you probably want to say N.
2126
2127config AFS_FS
David Howells64aaa4f2006-11-16 01:19:27 -08002128 tristate "Andrew File System support (AFS) (EXPERIMENTAL)"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002129 depends on INET && EXPERIMENTAL
David Howells08e0e7c2007-04-26 15:55:03 -07002130 select AF_RXRPC
Linus Torvalds1da177e2005-04-16 15:20:36 -07002131 help
2132 If you say Y here, you will get an experimental Andrew File System
2133 driver. It currently only supports unsecured read-only AFS access.
2134
Matt LaPlantecc2e2762006-10-03 22:22:29 +02002135 See <file:Documentation/filesystems/afs.txt> for more information.
Linus Torvalds1da177e2005-04-16 15:20:36 -07002136
2137 If unsure, say N.
2138
David Howells08e0e7c2007-04-26 15:55:03 -07002139config AFS_DEBUG
2140 bool "AFS dynamic debugging"
2141 depends on AFS_FS
2142 help
2143 Say Y here to make runtime controllable debugging messages appear.
2144
2145 See <file:Documentation/filesystems/afs.txt> for more information.
2146
2147 If unsure, say N.
2148
Eric Van Hensbergen93fa58c2005-09-09 13:04:18 -07002149config 9P_FS
2150 tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)"
Latchesar Ionkovbd238fb2007-07-10 17:57:28 -05002151 depends on INET && NET_9P && EXPERIMENTAL
Eric Van Hensbergen93fa58c2005-09-09 13:04:18 -07002152 help
2153 If you say Y here, you will get experimental support for
2154 Plan 9 resource sharing via the 9P2000 protocol.
2155
2156 See <http://v9fs.sf.net> for more information.
2157
2158 If unsure, say N.
2159
Jan Engelhardtea0985a2007-10-16 23:30:16 -07002160endif # NETWORK_FILESYSTEMS
Linus Torvalds1da177e2005-04-16 15:20:36 -07002161
David Howells93614012006-09-30 20:45:40 +02002162if BLOCK
Linus Torvalds1da177e2005-04-16 15:20:36 -07002163menu "Partition Types"
2164
2165source "fs/partitions/Kconfig"
2166
2167endmenu
David Howells93614012006-09-30 20:45:40 +02002168endif
Linus Torvalds1da177e2005-04-16 15:20:36 -07002169
2170source "fs/nls/Kconfig"
David Teiglande7fd4172006-01-18 09:30:29 +00002171source "fs/dlm/Kconfig"
Linus Torvalds1da177e2005-04-16 15:20:36 -07002172
2173endmenu