2 # File system configuration
8 tristate "Second extended fs support"
10 Ext2 is a standard Linux file system for hard disks.
12 To compile this file system support as a module, choose M here: the
13 module will be called ext2. Be aware however that the file system
14 of your root partition (the one containing the directory /) cannot
15 be compiled as a module, and so this could be dangerous.
20 bool "Ext2 extended attributes"
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).
29 config EXT2_FS_POSIX_ACL
30 bool "Ext2 POSIX Access Control Lists"
31 depends on EXT2_FS_XATTR
33 Posix Access Control Lists (ACLs) support permissions for users and
34 groups beyond the owner/group/world scheme.
36 To learn more about Access Control Lists, visit the Posix ACLs for
37 Linux website <http://acl.bestbits.at/>.
39 If you don't know what Access Control Lists are, say N
41 config EXT2_FS_SECURITY
42 bool "Ext2 Security Labels"
43 depends on EXT2_FS_XATTR
45 Security labels support alternative access control models
46 implemented by security modules like SELinux. This option
47 enables an extended attribute handler for file security
48 labels in the ext2 filesystem.
50 If you are not using a security module that requires using
51 extended attributes for file security labels, say N.
54 tristate "Ext3 journalling file system support"
56 This is the journaling version of the Second extended file system
57 (often called ext3), the de facto standard Linux file system
58 (method to organize files on a storage device) for hard disks.
60 The journaling code included in this driver means you do not have
61 to run e2fsck (file system checker) on your file systems after a
62 crash. The journal keeps track of any changes that were being made
63 at the time the system crashed, and can ensure that your file system
64 is consistent without the need for a lengthy check.
66 Other than adding the journal to the file system, the on-disk format
67 of ext3 is identical to ext2. It is possible to freely switch
68 between using the ext3 driver and the ext2 driver, as long as the
69 file system has been cleanly unmounted, or e2fsck is run on the file
72 To add a journal on an existing ext2 file system or change the
73 behavior of ext3 file systems, you can use the tune2fs utility ("man
74 tune2fs"). To modify attributes of files and directories on ext3
75 file systems, use chattr ("man chattr"). You need to be using
76 e2fsprogs version 1.20 or later in order to create ext3 journals
77 (available at <http://sourceforge.net/projects/e2fsprogs/>).
79 To compile this file system support as a module, choose M here: the
80 module will be called ext3. Be aware however that the file system
81 of your root partition (the one containing the directory /) cannot
82 be compiled as a module, and so this may be dangerous.
85 bool "Ext3 extended attributes"
89 Extended attributes are name:value pairs associated with inodes by
90 the kernel or by users (see the attr(5) manual page, or visit
91 <http://acl.bestbits.at/> for details).
95 You need this for POSIX ACL support on ext3.
97 config EXT3_FS_POSIX_ACL
98 bool "Ext3 POSIX Access Control Lists"
99 depends on EXT3_FS_XATTR
101 Posix Access Control Lists (ACLs) support permissions for users and
102 groups beyond the owner/group/world scheme.
104 To learn more about Access Control Lists, visit the Posix ACLs for
105 Linux website <http://acl.bestbits.at/>.
107 If you don't know what Access Control Lists are, say N
109 config EXT3_FS_SECURITY
110 bool "Ext3 Security Labels"
111 depends on EXT3_FS_XATTR
113 Security labels support alternative access control models
114 implemented by security modules like SELinux. This option
115 enables an extended attribute handler for file security
116 labels in the ext3 filesystem.
118 If you are not using a security module that requires using
119 extended attributes for file security labels, say N.
122 # CONFIG_JBD could be its own option (even modular), but until there are
123 # other users than ext3, we will simply make it be the same as CONFIG_EXT3_FS
124 # dep_tristate ' Journal Block Device support (JBD for ext3)' CONFIG_JBD $CONFIG_EXT3_FS
128 This is a generic journaling layer for block devices. It is
129 currently used by the ext3 file system, but it could also be used to
130 add journal support to other file systems or block devices such as
133 If you are using the ext3 file system, you need to say Y here. If
134 you are not using ext3 then you will probably want to say N.
136 To compile this device as a module, choose M here: the module will be
137 called jbd. If you are compiling ext3 into the kernel, you cannot
138 compile this code as a module.
141 bool "JBD (ext3) debugging support"
144 If you are using the ext3 journaled file system (or potentially any
145 other file system/device using JBD), this option allows you to
146 enable debugging output while the system is running, in order to
147 help track down any problems you are having. By default the
148 debugging output will be turned off.
150 If you select Y here, then you will be able to turn on debugging
151 with "echo N > /proc/sys/fs/jbd-debug", where N is a number between
152 1 and 5, the higher the number, the more debugging output is
153 generated. To turn debugging off again, do
154 "echo 0 > /proc/sys/fs/jbd-debug".
157 # Meta block cache for Extended Attributes (ext2/ext3)
159 depends on EXT2_FS_XATTR || EXT3_FS_XATTR
160 default y if EXT2_FS=y || EXT3_FS=y
161 default m if EXT2_FS=m || EXT3_FS=m
164 tristate "Reiserfs support"
166 Stores not just filenames but the files themselves in a balanced
167 tree. Uses journaling.
169 Balanced trees are more efficient than traditional file system
170 architectural foundations.
172 In general, ReiserFS is as fast as ext2, but is very efficient with
173 large directories and small files. Additional patches are needed
174 for NFS and quotas, please see <http://www.namesys.com/> for links.
176 It is more easily extended to have features currently found in
177 database and keyword search systems than block allocation based file
178 systems are. The next version will be so extended, and will support
179 plugins consistent with our motto ``It takes more than a license to
180 make source code open.''
182 Read <http://www.namesys.com/> to learn more about reiserfs.
184 Sponsored by Threshold Networks, Emusic.com, and Bigstorage.com.
186 If you like it, you can pay us to add new features to it that you
187 need, buy a support contract, or pay us to port it to another OS.
189 config REISERFS_CHECK
190 bool "Enable reiserfs debug mode"
191 depends on REISERFS_FS
193 If you set this to Y, then ReiserFS will perform every check it can
194 possibly imagine of its internal consistency throughout its
195 operation. It will also go substantially slower. More than once we
196 have forgotten that this was on, and then gone despondent over the
197 latest benchmarks.:-) Use of this option allows our team to go all
198 out in checking for consistency when debugging without fear of its
199 effect on end users. If you are on the verge of sending in a bug
200 report, say Y and you might get a useful error message. Almost
201 everyone should say N.
203 config REISERFS_PROC_INFO
204 bool "Stats in /proc/fs/reiserfs"
205 depends on REISERFS_FS
207 Create under /proc/fs/reiserfs a hierarchy of files, displaying
208 various ReiserFS statistics and internal data at the expense of
209 making your kernel or module slightly larger (+8 KB). This also
210 increases the amount of kernel memory required for each mount.
211 Almost everyone but ReiserFS developers and people fine-tuning
212 reiserfs or tracing problems should say N.
214 config REISERFS_FS_XATTR
215 bool "ReiserFS extended attributes"
216 depends on REISERFS_FS
218 Extended attributes are name:value pairs associated with inodes by
219 the kernel or by users (see the attr(5) manual page, or visit
220 <http://acl.bestbits.at/> for details).
224 config REISERFS_FS_POSIX_ACL
225 bool "ReiserFS POSIX Access Control Lists"
226 depends on REISERFS_FS_XATTR
228 Posix Access Control Lists (ACLs) support permissions for users and
229 groups beyond the owner/group/world scheme.
231 To learn more about Access Control Lists, visit the Posix ACLs for
232 Linux website <http://acl.bestbits.at/>.
234 If you don't know what Access Control Lists are, say N
236 config REISERFS_FS_SECURITY
237 bool "ReiserFS Security Labels"
238 depends on REISERFS_FS_XATTR
240 Security labels support alternative access control models
241 implemented by security modules like SELinux. This option
242 enables an extended attribute handler for file security
243 labels in the ReiserFS filesystem.
245 If you are not using a security module that requires using
246 extended attributes for file security labels, say N.
249 tristate "JFS filesystem support"
252 This is a port of IBM's Journaled Filesystem . More information is
253 available in the file <file:Documentation/filesystems/jfs.txt>.
255 If you do not intend to use the JFS filesystem, say N.
258 bool "JFS POSIX Access Control Lists"
261 Posix Access Control Lists (ACLs) support permissions for users and
262 groups beyond the owner/group/world scheme.
264 To learn more about Access Control Lists, visit the Posix ACLs for
265 Linux website <http://acl.bestbits.at/>.
267 If you don't know what Access Control Lists are, say N
270 bool "JFS Security Labels"
273 Security labels support alternative access control models
274 implemented by security modules like SELinux. This option
275 enables an extended attribute handler for file security
276 labels in the jfs filesystem.
278 If you are not using a security module that requires using
279 extended attributes for file security labels, say N.
285 If you are experiencing any problems with the JFS filesystem, say
286 Y here. This will result in additional debugging messages to be
287 written to the system log. Under normal circumstances, this
288 results in very little overhead.
290 config JFS_STATISTICS
291 bool "JFS statistics"
294 Enabling this option will cause statistics from the JFS file system
295 to be made available to the user in the /proc/fs/jfs/ directory.
298 # Posix ACL utility routines (for now, only ext2/ext3/jfs/reiserfs)
300 # NOTE: you can implement Posix ACLs without these helpers (XFS does).
301 # Never use this symbol for ifdefs.
304 depends on EXT2_FS_POSIX_ACL || EXT3_FS_POSIX_ACL || JFS_POSIX_ACL || REISERFS_FS_POSIX_ACL || NFSD_V4
307 source "fs/xfs/Kconfig"
310 tristate "Minix fs support"
312 Minix is a simple operating system used in many classes about OS's.
313 The minix file system (method to organize files on a hard disk
314 partition or a floppy disk) was the original file system for Linux,
315 but has been superseded by the second extended file system ext2fs.
316 You don't want to use the minix file system on your hard disk
317 because of certain built-in restrictions, but it is sometimes found
318 on older Linux floppy disks. This option will enlarge your kernel
319 by about 28 KB. If unsure, say N.
321 To compile this file system support as a module, choose M here: the
322 module will be called minix. Note that the file system of your root
323 partition (the one containing the directory /) cannot be compiled as
327 tristate "ROM file system support"
329 This is a very small read-only file system mainly intended for
330 initial ram disks of installation disks, but it could be used for
331 other read-only media as well. Read
332 <file:Documentation/filesystems/romfs.txt> for details.
334 To compile this file system support as a module, choose M here: the
335 module will be called romfs. Note that the file system of your
336 root partition (the one containing the directory /) cannot be a
339 If you don't know whether you need it, then you don't need it:
345 If you say Y here, you will be able to set per user limits for disk
346 usage (also called disk quotas). Currently, it works for the
347 ext2, ext3, and reiserfs file system. ext3 also supports journalled
348 quotas for which you don't need to run quotacheck(8) after an unclean
349 shutdown. You need additional software in order to use quota support
350 (you can download sources from
351 <http://www.sf.net/projects/linuxquota/>). For further details, read
352 the Quota mini-HOWTO, available from
353 <http://www.tldp.org/docs.html#howto>, or the documentation provided
354 with the quota tools. Probably the quota support is only useful for
355 multi user systems. If unsure, say N.
358 tristate "Old quota format support"
361 This quota format was (is) used by kernels earlier than 2.4.22. If
362 you have quota working and you don't want to convert to new quota
366 tristate "Quota format v2 support"
369 This quota format allows using quotas with 32-bit UIDs/GIDs. If you
370 need this functionality say Y here. Note that you will need recent
371 quota utilities (>= 3.01) for new quota format with this kernel.
375 depends on XFS_QUOTA || QUOTA
379 bool "Dnotify support" if EMBEDDED
382 Dnotify is a directory-based per-fd file change notification system
383 that uses signals to communicate events to user-space. There exist
384 superior alternatives, but some applications may still rely on
387 Because of this, if unsure, say Y.
390 tristate "Kernel automounter support"
392 The automounter is a tool to automatically mount remote file systems
393 on demand. This implementation is partially kernel-based to reduce
394 overhead in the already-mounted case; this is unlike the BSD
395 automounter (amd), which is a pure user space daemon.
397 To use the automounter you need the user-space tools from the autofs
398 package; you can find the location in <file:Documentation/Changes>.
399 You also want to answer Y to "NFS file system support", below.
401 If you want to use the newer version of the automounter with more
402 features, say N here and say Y to "Kernel automounter v4 support",
405 To compile this support as a module, choose M here: the module will be
408 If you are not a part of a fairly large, distributed network, you
409 probably do not need an automounter, and can say N here.
412 tristate "Kernel automounter version 4 support (also supports v3)"
414 The automounter is a tool to automatically mount remote file systems
415 on demand. This implementation is partially kernel-based to reduce
416 overhead in the already-mounted case; this is unlike the BSD
417 automounter (amd), which is a pure user space daemon.
419 To use the automounter you need the user-space tools from
420 <ftp://ftp.kernel.org/pub/linux/daemons/autofs/v4/>; you also
421 want to answer Y to "NFS file system support", below.
423 To compile this support as a module, choose M here: the module will be
424 called autofs4. You will need to add "alias autofs autofs4" to your
425 modules configuration file.
427 If you are not a part of a fairly large, distributed network or
428 don't have a laptop which needs to dynamically reconfigure to the
429 local network, you probably do not need an automounter, and can say
432 menu "CD-ROM/DVD Filesystems"
435 tristate "ISO 9660 CDROM file system support"
437 This is the standard file system used on CD-ROMs. It was previously
438 known as "High Sierra File System" and is called "hsfs" on other
439 Unix systems. The so-called Rock-Ridge extensions which allow for
440 long Unix filenames and symbolic links are also supported by this
441 driver. If you have a CD-ROM drive and want to do more with it than
442 just listen to audio CDs and watch its LEDs, say Y (and read
443 <file:Documentation/filesystems/isofs.txt> and the CD-ROM-HOWTO,
444 available from <http://www.tldp.org/docs.html#howto>), thereby
445 enlarging your kernel by about 27 KB; otherwise say N.
447 To compile this file system support as a module, choose M here: the
448 module will be called isofs.
451 bool "Microsoft Joliet CDROM extensions"
452 depends on ISO9660_FS
455 Joliet is a Microsoft extension for the ISO 9660 CD-ROM file system
456 which allows for long filenames in unicode format (unicode is the
457 new 16 bit character code, successor to ASCII, which encodes the
458 characters of almost all languages of the world; see
459 <http://www.unicode.org/> for more information). Say Y here if you
460 want to be able to read Joliet CD-ROMs under Linux.
463 bool "Transparent decompression extension"
464 depends on ISO9660_FS
467 This is a Linux-specific extension to RockRidge which lets you store
468 data in compressed form on a CD-ROM and have it transparently
469 decompressed when the CD-ROM is accessed. See
470 <http://www.kernel.org/pub/linux/utils/fs/zisofs/> for the tools
471 necessary to create such a filesystem. Say Y here if you want to be
472 able to read such compressed CD-ROMs.
475 # for fs/nls/Config.in
481 tristate "UDF file system support"
483 This is the new file system used on some CD-ROMs and DVDs. Say Y if
484 you intend to mount DVD discs or CDRW's written in packet mode, or
485 if written to by other UDF utilities, such as DirectCD.
486 Please read <file:Documentation/filesystems/udf.txt>.
488 To compile this file system support as a module, choose M here: the
489 module will be called udf.
496 depends on (UDF_FS=m && NLS) || (UDF_FS=y && NLS=y)
500 menu "DOS/FAT/NT Filesystems"
506 If you want to use one of the FAT-based file systems (the MS-DOS and
507 VFAT (Windows 95) file systems), then you must say Y or M here
508 to include FAT support. You will then be able to mount partitions or
509 diskettes with FAT-based file systems and transparently access the
510 files on them, i.e. MSDOS files will look and behave just like all
513 This FAT support is not a file system in itself, it only provides
514 the foundation for the other file systems. You will have to say Y or
515 M to at least one of "MSDOS fs support" or "VFAT fs support" in
516 order to make use of it.
518 Another way to read and write MSDOS floppies and hard drive
519 partitions from within Linux (but not transparently) is with the
520 mtools ("man mtools") program suite. You don't need to say Y here in
523 If you need to move large files on floppies between a DOS and a
524 Linux box, say Y here, mount the floppy under Linux with an MSDOS
525 file system and use GNU tar's M option. GNU tar is a program
526 available for Unix and DOS ("man tar" or "info tar").
528 It is now also becoming possible to read and write compressed FAT
529 file systems; read <file:Documentation/filesystems/fat_cvf.txt> for
532 The FAT support will enlarge your kernel by about 37 KB. If unsure,
535 To compile this as a module, choose M here: the module will be called
536 fat. Note that if you compile the FAT support as a module, you
537 cannot compile any of the FAT-based file systems into the kernel
538 -- they will have to be modules as well.
541 tristate "MSDOS fs support"
544 This allows you to mount MSDOS partitions of your hard drive (unless
545 they are compressed; to access compressed MSDOS partitions under
546 Linux, you can either use the DOS emulator DOSEMU, described in the
547 DOSEMU-HOWTO, available from
548 <http://www.tldp.org/docs.html#howto>, or try dmsdosfs in
549 <ftp://ibiblio.org/pub/Linux/system/filesystems/dosfs/>. If you
550 intend to use dosemu with a non-compressed MSDOS partition, say Y
551 here) and MSDOS floppies. This means that file access becomes
552 transparent, i.e. the MSDOS files look and behave just like all
555 If you have Windows 95 or Windows NT installed on your MSDOS
556 partitions, you should use the VFAT file system (say Y to "VFAT fs
557 support" below), or you will not be able to see the long filenames
558 generated by Windows 95 / Windows NT.
560 This option will enlarge your kernel by about 7 KB. If unsure,
561 answer Y. This will only work if you said Y to "DOS FAT fs support"
562 as well. To compile this as a module, choose M here: the module will
566 tristate "VFAT (Windows-95) fs support"
569 This option provides support for normal Windows file systems with
570 long filenames. That includes non-compressed FAT-based file systems
571 used by Windows 95, Windows 98, Windows NT 4.0, and the Unix
572 programs from the mtools package.
574 The VFAT support enlarges your kernel by about 10 KB and it only
575 works if you said Y to the "DOS FAT fs support" above. Please read
576 the file <file:Documentation/filesystems/vfat.txt> for details. If
579 To compile this as a module, choose M here: the module will be called
582 config FAT_DEFAULT_CODEPAGE
583 int "Default codepage for FAT"
584 depends on MSDOS_FS || VFAT_FS
587 This option should be set to the codepage of your FAT filesystems.
588 It can be overridden with the "codepage" mount option.
589 See <file:Documentation/filesystems/vfat.txt> for more information.
591 config FAT_DEFAULT_IOCHARSET
592 string "Default iocharset for FAT"
596 Set this to the default input/output character set you'd
597 like FAT to use. It should probably match the character set
598 that most of your FAT filesystems use, and can be overridden
599 with the "iocharset" mount option for FAT filesystems.
600 Note that "utf8" is not recommended for FAT filesystems.
601 If unsure, you shouldn't set "utf8" here.
602 See <file:Documentation/filesystems/vfat.txt> for more information.
605 tristate "NTFS file system support"
608 NTFS is the file system of Microsoft Windows NT, 2000, XP and 2003.
610 Saying Y or M here enables read support. There is partial, but
611 safe, write support available. For write support you must also
612 say Y to "NTFS write support" below.
614 There are also a number of user-space tools available, called
615 ntfsprogs. These include ntfsundelete and ntfsresize, that work
616 without NTFS support enabled in the kernel.
618 This is a rewrite from scratch of Linux NTFS support and replaced
619 the old NTFS code starting with Linux 2.5.11. A backport to
620 the Linux 2.4 kernel series is separately available as a patch
621 from the project web site.
623 For more information see <file:Documentation/filesystems/ntfs.txt>
624 and <http://linux-ntfs.sourceforge.net/>.
626 To compile this file system support as a module, choose M here: the
627 module will be called ntfs.
629 If you are not using Windows NT, 2000, XP or 2003 in addition to
630 Linux on your computer it is safe to say N.
633 bool "NTFS debugging support"
636 If you are experiencing any problems with the NTFS file system, say
637 Y here. This will result in additional consistency checks to be
638 performed by the driver as well as additional debugging messages to
639 be written to the system log. Note that debugging messages are
640 disabled by default. To enable them, supply the option debug_msgs=1
641 at the kernel command line when booting the kernel or as an option
642 to insmod when loading the ntfs module. Once the driver is active,
643 you can enable debugging messages by doing (as root):
644 echo 1 > /proc/sys/fs/ntfs-debug
645 Replacing the "1" with "0" would disable debug messages.
647 If you leave debugging messages disabled, this results in little
648 overhead, but enabling debug messages results in very significant
649 slowdown of the system.
651 When reporting bugs, please try to have available a full dump of
652 debugging messages while the misbehaviour was occurring.
655 bool "NTFS write support"
658 This enables the partial, but safe, write support in the NTFS driver.
660 The only supported operation is overwriting existing files, without
661 changing the file length. No file or directory creation, deletion or
662 renaming is possible. Note only non-resident files can be written to
663 so you may find that some very small files (<500 bytes or so) cannot
666 While we cannot guarantee that it will not damage any data, we have
667 so far not received a single report where the driver would have
668 damaged someones data so we assume it is perfectly safe to use.
670 Note: While write support is safe in this version (a rewrite from
671 scratch of the NTFS support), it should be noted that the old NTFS
672 write support, included in Linux 2.5.10 and before (since 1997),
675 This is currently useful with TopologiLinux. TopologiLinux is run
676 on top of any DOS/Microsoft Windows system without partitioning your
677 hard disk. Unlike other Linux distributions TopologiLinux does not
678 need its own partition. For more information see
679 <http://topologi-linux.sourceforge.net/>
681 It is perfectly safe to say N here.
685 menu "Pseudo filesystems"
688 bool "/proc file system support"
690 This is a virtual file system providing information about the status
691 of the system. "Virtual" means that it doesn't take up any space on
692 your hard disk: the files are created on the fly by the kernel when
693 you try to access them. Also, you cannot read the files with older
694 version of the program less: you need to use more or cat.
696 It's totally cool; for example, "cat /proc/interrupts" gives
697 information about what the different IRQs are used for at the moment
698 (there is a small number of Interrupt ReQuest lines in your computer
699 that are used by the attached devices to gain the CPU's attention --
700 often a source of trouble if two devices are mistakenly configured
701 to use the same IRQ). The program procinfo to display some
702 information about your system gathered from the /proc file system.
704 Before you can use the /proc file system, it has to be mounted,
705 meaning it has to be given a location in the directory hierarchy.
706 That location should be /proc. A command such as "mount -t proc proc
707 /proc" or the equivalent line in /etc/fstab does the job.
709 The /proc file system is explained in the file
710 <file:Documentation/filesystems/proc.txt> and on the proc(5) manpage
713 This option will enlarge your kernel by about 67 KB. Several
714 programs depend on this, so everyone should say Y here.
717 bool "/proc/kcore support" if !ARM
718 depends on PROC_FS && MMU
721 bool "sysfs file system support" if EMBEDDED
724 The sysfs filesystem is a virtual filesystem that the kernel uses to
725 export internal kernel objects, their attributes, and their
726 relationships to one another.
728 Users can use sysfs to ascertain useful information about the running
729 kernel, such as the devices the kernel has discovered on each bus and
730 which driver each is bound to. sysfs can also be used to tune devices
731 and other kernel subsystems.
733 Some system agents rely on the information in sysfs to operate.
734 /sbin/hotplug uses device and object attributes in sysfs to assist in
735 delegating policy decisions, like persistantly naming devices.
737 sysfs is currently used by the block subsystem to mount the root
738 partition. If sysfs is disabled you must specify the boot device on
739 the kernel boot command line via its major and minor numbers. For
740 example, "root=03:01" for /dev/hda1.
742 Designers of embedded systems may wish to say N here to conserve space.
745 bool "/dev file system support (OBSOLETE)"
746 depends on EXPERIMENTAL
748 This is support for devfs, a virtual file system (like /proc) which
749 provides the file system interface to device drivers, normally found
750 in /dev. Devfs does not depend on major and minor number
751 allocations. Device drivers register entries in /dev which then
752 appear automatically, which means that the system administrator does
753 not have to create character and block special device files in the
754 /dev directory using the mknod command (or MAKEDEV script) anymore.
756 This is work in progress. If you want to use this, you *must* read
757 the material in <file:Documentation/filesystems/devfs/>, especially
758 the file README there.
760 Note that devfs no longer manages /dev/pts! If you are using UNIX98
761 ptys, you will also need to mount the /dev/pts filesystem (devpts).
763 Note that devfs has been obsoleted by udev,
764 <http://www.kernel.org/pub/linux/utils/kernel/hotplug/>.
765 It has been stripped down to a bare minimum and is only provided for
766 legacy installations that use its naming scheme which is
767 unfortunately different from the names normal Linux installations
773 bool "Automatically mount at boot"
776 This option appears if you have CONFIG_DEVFS_FS enabled. Setting
777 this to 'Y' will make the kernel automatically mount devfs onto /dev
778 when the system is booted, before the init thread is started.
779 You can override this with the "devfs=nomount" boot option.
787 If you say Y here, then the /dev file system code will generate
788 debugging messages. See the file
789 <file:Documentation/filesystems/devfs/boot-options> for more
794 config DEVPTS_FS_XATTR
795 bool "/dev/pts Extended Attributes"
796 depends on UNIX98_PTYS
798 Extended attributes are name:value pairs associated with inodes by
799 the kernel or by users (see the attr(5) manual page, or visit
800 <http://acl.bestbits.at/> for details).
804 config DEVPTS_FS_SECURITY
805 bool "/dev/pts Security Labels"
806 depends on DEVPTS_FS_XATTR
808 Security labels support alternative access control models
809 implemented by security modules like SELinux. This option
810 enables an extended attribute handler for file security
811 labels in the /dev/pts filesystem.
813 If you are not using a security module that requires using
814 extended attributes for file security labels, say N.
817 bool "Virtual memory file system support (former shm fs)"
819 Tmpfs is a file system which keeps all files in virtual memory.
821 Everything in tmpfs is temporary in the sense that no files will be
822 created on your hard drive. The files live in memory and swap
823 space. If you unmount a tmpfs instance, everything stored therein is
826 See <file:Documentation/filesystems/tmpfs.txt> for details.
829 bool "tmpfs Extended Attributes"
832 Extended attributes are name:value pairs associated with inodes by
833 the kernel or by users (see the attr(5) manual page, or visit
834 <http://acl.bestbits.at/> for details).
838 config TMPFS_SECURITY
839 bool "tmpfs Security Labels"
840 depends on TMPFS_XATTR
842 Security labels support alternative access control models
843 implemented by security modules like SELinux. This option
844 enables an extended attribute handler for file security
845 labels in the tmpfs filesystem.
846 If you are not using a security module that requires using
847 extended attributes for file security labels, say N.
850 bool "HugeTLB file system support"
851 depends X86 || IA64 || PPC64 || SPARC64 || SUPERH || X86_64 || BROKEN
860 Ramfs is a file system which keeps all files in RAM. It allows
861 read and write access.
863 It is more of an programming example than a useable file system. If
864 you need a file system which lives in RAM with limit checking use
867 To compile this as a module, choose M here: the module will be called
872 menu "Miscellaneous filesystems"
875 tristate "ADFS file system support (EXPERIMENTAL)"
876 depends on EXPERIMENTAL
878 The Acorn Disc Filing System is the standard file system of the
879 RiscOS operating system which runs on Acorn's ARM-based Risc PC
880 systems and the Acorn Archimedes range of machines. If you say Y
881 here, Linux will be able to read from ADFS partitions on hard drives
882 and from ADFS-formatted floppy discs. If you also want to be able to
883 write to those devices, say Y to "ADFS write support" below.
885 The ADFS partition should be the first partition (i.e.,
886 /dev/[hs]d?1) on each of your drives. Please read the file
887 <file:Documentation/filesystems/adfs.txt> for further details.
889 To compile this code as a module, choose M here: the module will be
895 bool "ADFS write support (DANGEROUS)"
898 If you say Y here, you will be able to write to ADFS partitions on
899 hard drives and ADFS-formatted floppy disks. This is experimental
900 codes, so if you're unsure, say N.
903 tristate "Amiga FFS file system support (EXPERIMENTAL)"
904 depends on EXPERIMENTAL
906 The Fast File System (FFS) is the common file system used on hard
907 disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20). Say Y
908 if you want to be able to read and write files from and to an Amiga
909 FFS partition on your hard drive. Amiga floppies however cannot be
910 read with this driver due to an incompatibility of the floppy
911 controller used in an Amiga and the standard floppy controller in
912 PCs and workstations. Read <file:Documentation/filesystems/affs.txt>
913 and <file:fs/affs/Changes>.
915 With this driver you can also mount disk files used by Bernd
916 Schmidt's Un*X Amiga Emulator
917 (<http://www.freiburg.linux.de/~uae/>).
918 If you want to do this, you will also need to say Y or M to "Loop
919 device support", above.
921 To compile this file system support as a module, choose M here: the
922 module will be called affs. If unsure, say N.
925 tristate "Apple Macintosh file system support (EXPERIMENTAL)"
926 depends on EXPERIMENTAL
928 If you say Y here, you will be able to mount Macintosh-formatted
929 floppy disks and hard drive partitions with full read-write access.
930 Please read <file:fs/hfs/HFS.txt> to learn about the available mount
933 To compile this file system support as a module, choose M here: the
934 module will be called hfs.
937 tristate "Apple Extended HFS file system support"
941 If you say Y here, you will be able to mount extended format
942 Macintosh-formatted hard drive partitions with full read-write access.
944 This file system is often called HFS+ and was introduced with
945 MacOS 8. It includes all Mac specific filesystem data such as
946 data forks and creator codes, but it also has several UNIX
947 style features such as file ownership and permissions.
950 tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)"
951 depends on EXPERIMENTAL
954 The BeOS File System (BeFS) is the native file system of Be, Inc's
955 BeOS. Notable features include support for arbitrary attributes
956 on files and directories, and database-like indeces on selected
957 attributes. (Also note that this driver doesn't make those features
958 available at this time). It is a 64 bit filesystem, so it supports
959 extremly large volumes and files.
961 If you use this filesystem, you should also say Y to at least one
962 of the NLS (native language support) options below.
964 If you don't know what this is about, say N.
966 To compile this as a module, choose M here: the module will be
973 If you say Y here, you can use the 'debug' mount option to enable
974 debugging output from the driver.
977 tristate "BFS file system support (EXPERIMENTAL)"
978 depends on EXPERIMENTAL
980 Boot File System (BFS) is a file system used under SCO UnixWare to
981 allow the bootloader access to the kernel image and other important
982 files during the boot process. It is usually mounted under /stand
983 and corresponds to the slice marked as "STAND" in the UnixWare
984 partition. You should say Y if you want to read or write the files
985 on your /stand slice from within Linux. You then also need to say Y
986 to "UnixWare slices support", below. More information about the BFS
987 file system is contained in the file
988 <file:Documentation/filesystems/bfs.txt>.
990 If you don't know what this is about, say N.
992 To compile this as a module, choose M here: the module will be called
993 bfs. Note that the file system of your root partition (the one
994 containing the directory /) cannot be compiled as a module.
999 tristate "EFS file system support (read only) (EXPERIMENTAL)"
1000 depends on EXPERIMENTAL
1002 EFS is an older file system used for non-ISO9660 CD-ROMs and hard
1003 disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer
1004 uses the XFS file system for hard disk partitions however).
1006 This implementation only offers read-only access. If you don't know
1007 what all this is about, it's safe to say N. For more information
1008 about EFS see its home page at <http://aeschi.ch.eu.org/efs/>.
1010 To compile the EFS file system support as a module, choose M here: the
1011 module will be called efs.
1014 tristate "Journalling Flash File System (JFFS) support"
1017 JFFS is the Journaling Flash File System developed by Axis
1018 Communications in Sweden, aimed at providing a crash/powerdown-safe
1019 file system for disk-less embedded devices. Further information is
1020 available at (<http://developer.axis.com/software/jffs/>).
1022 config JFFS_FS_VERBOSE
1023 int "JFFS debugging verbosity (0 = quiet, 3 = noisy)"
1027 Determines the verbosity level of the JFFS debugging messages.
1030 bool "JFFS stats available in /proc filesystem"
1031 depends on JFFS_FS && PROC_FS
1033 Enabling this option will cause statistics from mounted JFFS file systems
1034 to be made available to the user in the /proc/fs/jffs/ directory.
1037 tristate "Journalling Flash File System v2 (JFFS2) support"
1041 JFFS2 is the second generation of the Journalling Flash File System
1042 for use on diskless embedded devices. It provides improved wear
1043 levelling, compression and support for hard links. You cannot use
1044 this on normal block devices, only on 'MTD' devices.
1046 Further information on the design and implementation of JFFS2 is
1047 available at <http://sources.redhat.com/jffs2/>.
1049 config JFFS2_FS_DEBUG
1050 int "JFFS2 debugging verbosity (0 = quiet, 2 = noisy)"
1054 This controls the amount of debugging messages produced by the JFFS2
1055 code. Set it to zero for use in production systems. For evaluation,
1056 testing and debugging, it's advisable to set it to one. This will
1057 enable a few assertions and will print debugging messages at the
1058 KERN_DEBUG loglevel, where they won't normally be visible. Level 2
1059 is unlikely to be useful - it enables extra debugging in certain
1060 areas which at one point needed debugging, but when the bugs were
1061 located and fixed, the detailed messages were relegated to level 2.
1063 If reporting bugs, please try to have available a full dump of the
1064 messages at debug level 1 while the misbehaviour was occurring.
1066 config JFFS2_FS_WRITEBUFFER
1067 bool "JFFS2 write-buffering support"
1071 This enables the write-buffering support in JFFS2.
1073 This functionality is required to support JFFS2 on the following
1074 types of flash devices:
1076 - NOR flash with transparent ECC
1079 config JFFS2_COMPRESSION_OPTIONS
1080 bool "Advanced compression options for JFFS2"
1084 Enabling this option allows you to explicitly choose which
1085 compression modules, if any, are enabled in JFFS2. Removing
1086 compressors and mean you cannot read existing file systems,
1087 and enabling experimental compressors can mean that you
1088 write a file system which cannot be read by a standard kernel.
1090 If unsure, you should _definitely_ say 'N'.
1093 bool "JFFS2 ZLIB compression support" if JFFS2_COMPRESSION_OPTIONS
1099 Zlib is designed to be a free, general-purpose, legally unencumbered,
1100 lossless data-compression library for use on virtually any computer
1101 hardware and operating system. See <http://www.gzip.org/zlib/> for
1102 further information.
1107 bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
1111 Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
1114 bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS
1118 RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
1121 prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
1122 default JFFS2_CMODE_PRIORITY
1125 You can set here the default compression mode of JFFS2 from
1126 the available compression modes. Don't touch if unsure.
1128 config JFFS2_CMODE_NONE
1129 bool "no compression"
1131 Uses no compression.
1133 config JFFS2_CMODE_PRIORITY
1136 Tries the compressors in a predefinied order and chooses the first
1139 config JFFS2_CMODE_SIZE
1140 bool "size (EXPERIMENTAL)"
1142 Tries all compressors and chooses the one which has the smallest
1148 tristate "Compressed ROM file system support (cramfs)"
1151 Saying Y here includes support for CramFs (Compressed ROM File
1152 System). CramFs is designed to be a simple, small, and compressed
1153 file system for ROM based embedded systems. CramFs is read-only,
1154 limited to 256MB file systems (with 16MB files), and doesn't support
1155 16/32 bits uid/gid, hard links and timestamps.
1157 See <file:Documentation/filesystems/cramfs.txt> and
1158 <file:fs/cramfs/README> for further information.
1160 To compile this as a module, choose M here: the module will be called
1161 cramfs. Note that the root file system (the one containing the
1162 directory /) cannot be compiled as a module.
1167 tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)"
1169 FreeVxFS is a file system driver that support the VERITAS VxFS(TM)
1170 file system format. VERITAS VxFS(TM) is the standard file system
1171 of SCO UnixWare (and possibly others) and optionally available
1172 for Sunsoft Solaris, HP-UX and many other operating systems.
1173 Currently only readonly access is supported.
1175 NOTE: the file system type as used by mount(1), mount(2) and
1176 fstab(5) is 'vxfs' as it describes the file system format, not
1179 To compile this as a module, choose M here: the module will be
1180 called freevxfs. If unsure, say N.
1184 tristate "OS/2 HPFS file system support"
1186 OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS
1187 is the file system used for organizing files on OS/2 hard disk
1188 partitions. Say Y if you want to be able to read files from and
1189 write files to an OS/2 HPFS partition on your hard drive. OS/2
1190 floppies however are in regular MSDOS format, so you don't need this
1191 option in order to be able to read them. Read
1192 <file:Documentation/filesystems/hpfs.txt>.
1194 To compile this file system support as a module, choose M here: the
1195 module will be called hpfs. If unsure, say N.
1200 tristate "QNX4 file system support (read only)"
1202 This is the file system used by the real-time operating systems
1203 QNX 4 and QNX 6 (the latter is also called QNX RTP).
1204 Further information is available at <http://www.qnx.com/>.
1205 Say Y if you intend to mount QNX hard disks or floppies.
1206 Unless you say Y to "QNX4FS read-write support" below, you will
1207 only be able to read these file systems.
1209 To compile this file system support as a module, choose M here: the
1210 module will be called qnx4.
1212 If you don't know whether you need it, then you don't need it:
1216 bool "QNX4FS write support (DANGEROUS)"
1217 depends on QNX4FS_FS && EXPERIMENTAL && BROKEN
1219 Say Y if you want to test write support for QNX4 file systems.
1221 It's currently broken, so for now:
1227 tristate "System V/Xenix/V7/Coherent file system support"
1229 SCO, Xenix and Coherent are commercial Unix systems for Intel
1230 machines, and Version 7 was used on the DEC PDP-11. Saying Y
1231 here would allow you to read from their floppies and hard disk
1234 If you have floppies or hard disk partitions like that, it is likely
1235 that they contain binaries from those other Unix systems; in order
1236 to run these binaries, you will want to install linux-abi which is a
1237 a set of kernel modules that lets you run SCO, Xenix, Wyse,
1238 UnixWare, Dell Unix and System V programs under Linux. It is
1239 available via FTP (user: ftp) from
1240 <ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>).
1241 NOTE: that will work only for binaries from Intel-based systems;
1242 PDP ones will have to wait until somebody ports Linux to -11 ;-)
1244 If you only intend to mount files from some other Unix over the
1245 network using NFS, you don't need the System V file system support
1246 (but you need NFS file system support obviously).
1248 Note that this option is generally not needed for floppies, since a
1249 good portable way to transport files and directories between unixes
1250 (and even other operating systems) is given by the tar program ("man
1251 tar" or preferably "info tar"). Note also that this option has
1252 nothing whatsoever to do with the option "System V IPC". Read about
1253 the System V file system in
1254 <file:Documentation/filesystems/sysv-fs.txt>.
1255 Saying Y here will enlarge your kernel by about 27 KB.
1257 To compile this as a module, choose M here: the module will be called
1260 If you haven't heard about all of this before, it's safe to say N.
1265 tristate "UFS file system support (read only)"
1267 BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD,
1268 OpenBSD and NeXTstep) use a file system called UFS. Some System V
1269 Unixes can create and mount hard disk partitions and diskettes using
1270 this file system as well. Saying Y here will allow you to read from
1271 these partitions; if you also want to write to them, say Y to the
1272 experimental "UFS file system write support", below. Please read the
1273 file <file:Documentation/filesystems/ufs.txt> for more information.
1275 The recently released UFS2 variant (used in FreeBSD 5.x) is
1276 READ-ONLY supported.
1278 If you only intend to mount files from some other Unix over the
1279 network using NFS, you don't need the UFS file system support (but
1280 you need NFS file system support obviously).
1282 Note that this option is generally not needed for floppies, since a
1283 good portable way to transport files and directories between unixes
1284 (and even other operating systems) is given by the tar program ("man
1285 tar" or preferably "info tar").
1287 When accessing NeXTstep files, you may need to convert them from the
1288 NeXT character set to the Latin1 character set; use the program
1289 recode ("info recode") for this purpose.
1291 To compile the UFS file system support as a module, choose M here: the
1292 module will be called ufs.
1294 If you haven't heard about all of this before, it's safe to say N.
1297 bool "UFS file system write support (DANGEROUS)"
1298 depends on UFS_FS && EXPERIMENTAL
1300 Say Y here if you want to try writing to UFS partitions. This is
1301 experimental, so you should back up your UFS partitions beforehand.
1305 menu "Network File Systems"
1309 tristate "NFS file system support"
1314 If you are connected to some other (usually local) Unix computer
1315 (using SLIP, PLIP, PPP or Ethernet) and want to mount files residing
1316 on that computer (the NFS server) using the Network File Sharing
1317 protocol, say Y. "Mounting files" means that the client can access
1318 the files with usual UNIX commands as if they were sitting on the
1319 client's hard disk. For this to work, the server must run the
1320 programs nfsd and mountd (but does not need to have NFS file system
1321 support enabled in its kernel). NFS is explained in the Network
1322 Administrator's Guide, available from
1323 <http://www.tldp.org/docs.html#guide>, on its man page: "man
1324 nfs", and in the NFS-HOWTO.
1326 A superior but less widely used alternative to NFS is provided by
1327 the Coda file system; see "Coda file system support" below.
1329 If you say Y here, you should have said Y to TCP/IP networking also.
1330 This option would enlarge your kernel by about 27 KB.
1332 To compile this file system support as a module, choose M here: the
1333 module will be called nfs.
1335 If you are configuring a diskless machine which will mount its root
1336 file system over NFS at boot time, say Y here and to "Kernel
1337 level IP autoconfiguration" above and to "Root file system on NFS"
1338 below. You cannot compile this driver as a module in this case.
1339 There are two packages designed for booting diskless machines over
1340 the net: netboot, available from
1341 <http://ftp1.sourceforge.net/netboot/>, and Etherboot,
1342 available from <http://ftp1.sourceforge.net/etherboot/>.
1344 If you don't know what all this is about, say N.
1347 bool "Provide NFSv3 client support"
1350 Say Y here if you want your NFS client to be able to speak version
1351 3 of the NFS protocol.
1356 bool "Provide NFSv4 client support (EXPERIMENTAL)"
1357 depends on NFS_FS && EXPERIMENTAL
1358 select RPCSEC_GSS_KRB5
1360 Say Y here if you want your NFS client to be able to speak the newer
1361 version 4 of the NFS protocol.
1363 Note: Requires auxiliary userspace daemons which may be found on
1364 http://www.citi.umich.edu/projects/nfsv4/
1369 bool "Allow direct I/O on NFS files (EXPERIMENTAL)"
1370 depends on NFS_FS && EXPERIMENTAL
1372 This option enables applications to perform uncached I/O on files
1373 in NFS file systems using the O_DIRECT open() flag. When O_DIRECT
1374 is set for a file, its data is not cached in the system's page
1375 cache. Data is moved to and from user-level application buffers
1376 directly. Unlike local disk-based file systems, NFS O_DIRECT has
1377 no alignment restrictions.
1379 Unless your program is designed to use O_DIRECT properly, you are
1380 much better off allowing the NFS client to manage data caching for
1381 you. Misusing O_DIRECT can cause poor server performance or network
1382 storms. This kernel build option defaults OFF to avoid exposing
1383 system administrators unwittingly to a potentially hazardous
1386 For more details on NFS O_DIRECT, see fs/nfs/direct.c.
1388 If unsure, say N. This reduces the size of the NFS client, and
1389 causes open() to return EINVAL if a file residing in NFS is
1390 opened with the O_DIRECT flag.
1393 tristate "NFS server support"
1399 If you want your Linux box to act as an NFS *server*, so that other
1400 computers on your local network which support NFS can access certain
1401 directories on your box transparently, you have two options: you can
1402 use the self-contained user space program nfsd, in which case you
1403 should say N here, or you can say Y and use the kernel based NFS
1404 server. The advantage of the kernel based solution is that it is
1407 In either case, you will need support software; the respective
1408 locations are given in the file <file:Documentation/Changes> in the
1411 If you say Y here, you will get support for version 2 of the NFS
1412 protocol (NFSv2). If you also want NFSv3, say Y to the next question
1415 Please read the NFS-HOWTO, available from
1416 <http://www.tldp.org/docs.html#howto>.
1418 To compile the NFS server support as a module, choose M here: the
1419 module will be called nfsd. If unsure, say N.
1422 bool "Provide NFSv3 server support"
1425 If you would like to include the NFSv3 server as well as the NFSv2
1426 server, say Y here. If unsure, say Y.
1429 bool "Provide NFSv4 server support (EXPERIMENTAL)"
1430 depends on NFSD_V3 && EXPERIMENTAL
1433 If you would like to include the NFSv4 server as well as the NFSv2
1434 and NFSv3 servers, say Y here. This feature is experimental, and
1435 should only be used if you are interested in helping to test NFSv4.
1439 bool "Provide NFS server over TCP support"
1443 If you want your NFS server to support TCP connections, say Y here.
1444 TCP connections usually perform better than the default UDP when
1445 the network is lossy or congested. If unsure, say Y.
1448 bool "Root file system on NFS"
1449 depends on NFS_FS=y && IP_PNP
1451 If you want your Linux box to mount its whole root file system (the
1452 one containing the directory /) from some other computer over the
1453 net via NFS (presumably because your box doesn't have a hard disk),
1454 say Y. Read <file:Documentation/nfsroot.txt> for details. It is
1455 likely that in this case, you also want to say Y to "Kernel level IP
1456 autoconfiguration" so that your box can discover its network address
1459 Most people say N here.
1466 depends on NFSD_V3 || NFS_V3
1478 config RPCSEC_GSS_KRB5
1479 tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)"
1480 depends on SUNRPC && EXPERIMENTAL
1486 Provides for secure RPC calls by means of a gss-api
1487 mechanism based on Kerberos V5. This is required for
1490 Note: Requires an auxiliary userspace daemon which may be found on
1491 http://www.citi.umich.edu/projects/nfsv4/
1495 config RPCSEC_GSS_SPKM3
1496 tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)"
1497 depends on SUNRPC && EXPERIMENTAL
1503 Provides for secure RPC calls by means of a gss-api
1504 mechanism based on the SPKM3 public-key mechanism.
1506 Note: Requires an auxiliary userspace daemon which may be found on
1507 http://www.citi.umich.edu/projects/nfsv4/
1512 tristate "SMB file system support (to mount Windows shares etc.)"
1516 SMB (Server Message Block) is the protocol Windows for Workgroups
1517 (WfW), Windows 95/98, Windows NT and OS/2 Lan Manager use to share
1518 files and printers over local networks. Saying Y here allows you to
1519 mount their file systems (often called "shares" in this context) and
1520 access them just like any other Unix directory. Currently, this
1521 works only if the Windows machines use TCP/IP as the underlying
1522 transport protocol, and not NetBEUI. For details, read
1523 <file:Documentation/filesystems/smbfs.txt> and the SMB-HOWTO,
1524 available from <http://www.tldp.org/docs.html#howto>.
1526 Note: if you just want your box to act as an SMB *server* and make
1527 files and printing services available to Windows clients (which need
1528 to have a TCP/IP stack), you don't need to say Y here; you can use
1529 the program SAMBA (available from <ftp://ftp.samba.org/pub/samba/>)
1532 General information about how to connect Linux, Windows machines and
1533 Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>.
1535 To compile the SMB support as a module, choose M here: the module will
1536 be called smbfs. Most people say N, however.
1538 config SMB_NLS_DEFAULT
1539 bool "Use a default NLS"
1542 Enabling this will make smbfs use nls translations by default. You
1543 need to specify the local charset (CONFIG_NLS_DEFAULT) in the nls
1544 settings and you need to give the default nls for the SMB server as
1545 CONFIG_SMB_NLS_REMOTE.
1547 The nls settings can be changed at mount time, if your smbmount
1548 supports that, using the codepage and iocharset parameters.
1550 smbmount from samba 2.2.0 or later supports this.
1552 config SMB_NLS_REMOTE
1553 string "Default Remote NLS Option"
1554 depends on SMB_NLS_DEFAULT
1557 This setting allows you to specify a default value for which
1558 codepage the server uses. If this field is left blank no
1559 translations will be done by default. The local codepage/charset
1560 default to CONFIG_NLS_DEFAULT.
1562 The nls settings can be changed at mount time, if your smbmount
1563 supports that, using the codepage and iocharset parameters.
1565 smbmount from samba 2.2.0 or later supports this.
1568 tristate "CIFS support (advanced network filesystem for Samba, Window and other CIFS compliant servers)"
1572 This is the client VFS module for the Common Internet File System
1573 (CIFS) protocol which is the successor to the Server Message Block
1574 (SMB) protocol, the native file sharing mechanism for most early
1575 PC operating systems. The CIFS protocol is fully supported by
1576 file servers such as Windows 2000 (including Windows 2003, NT 4
1577 and Windows XP) as well by Samba (which provides excellent CIFS
1578 server support for Linux and many other operating systems). Currently
1579 you must use the smbfs client filesystem to access older SMB servers
1580 such as Windows 9x and OS/2.
1582 The intent of the cifs module is to provide an advanced
1583 network file system client for mounting to CIFS compliant servers,
1584 including support for dfs (hierarchical name space), secure per-user
1585 session establishment, safe distributed caching (oplock), optional
1586 packet signing, Unicode and other internationalization improvements,
1587 and optional Winbind (nsswitch) integration. You do not need to enable
1588 cifs if running only a (Samba) server. It is possible to enable both
1589 smbfs and cifs (e.g. if you are using CIFS for accessing Windows 2003
1590 and Samba 3 servers, and smbfs for accessing old servers). If you need
1591 to mount to Samba or Windows 2003 servers from this machine, say Y.
1594 bool "CIFS statistics"
1597 Enabling this option will cause statistics for each server share
1598 mounted by the cifs client to be displayed in /proc/fs/cifs/Stats
1601 bool "CIFS extended attributes (EXPERIMENTAL)"
1604 Extended attributes are name:value pairs associated with inodes by
1605 the kernel or by users (see the attr(5) manual page, or visit
1606 <http://acl.bestbits.at/> for details). CIFS maps the name of
1607 extended attributes beginning with the user namespace prefix
1608 to SMB/CIFS EAs. EAs are stored on Windows servers without the
1609 user namespace prefix, but their names are seen by Linux cifs clients
1610 prefaced by the user namespace prefix. The system namespace
1611 (used by some filesystems to store ACLs) is not supported at
1617 bool "CIFS POSIX Extensions (EXPERIMENTAL)"
1618 depends on CIFS_XATTR
1620 Enabling this option will cause the cifs client to attempt to
1621 negotiate a newer dialect with servers, such as Samba 3.0.5
1622 or later, that optionally can handle more POSIX like (rather
1623 than Windows like) file behavior. It also enables
1624 support for POSIX ACLs (getfacl and setfacl) to servers
1625 (such as Samba 3.10 and later) which can negotiate
1626 CIFS POSIX ACL support. If unsure, say N.
1628 config CIFS_EXPERIMENTAL
1629 bool "CIFS Experimental Features (EXPERIMENTAL)"
1632 Enables cifs features under testing. These features
1633 are highly experimental. If unsure, say N.
1636 tristate "NCP file system support (to mount NetWare volumes)"
1637 depends on IPX!=n || INET
1639 NCP (NetWare Core Protocol) is a protocol that runs over IPX and is
1640 used by Novell NetWare clients to talk to file servers. It is to
1641 IPX what NFS is to TCP/IP, if that helps. Saying Y here allows you
1642 to mount NetWare file server volumes and to access them just like
1643 any other Unix directory. For details, please read the file
1644 <file:Documentation/filesystems/ncpfs.txt> in the kernel source and
1645 the IPX-HOWTO from <http://www.tldp.org/docs.html#howto>.
1647 You do not have to say Y here if you want your Linux box to act as a
1648 file *server* for Novell NetWare clients.
1650 General information about how to connect Linux, Windows machines and
1651 Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>.
1653 To compile this as a module, choose M here: the module will be called
1654 ncpfs. Say N unless you are connected to a Novell network.
1656 source "fs/ncpfs/Kconfig"
1659 tristate "Coda file system support (advanced network fs)"
1662 Coda is an advanced network file system, similar to NFS in that it
1663 enables you to mount file systems of a remote server and access them
1664 with regular Unix commands as if they were sitting on your hard
1665 disk. Coda has several advantages over NFS: support for
1666 disconnected operation (e.g. for laptops), read/write server
1667 replication, security model for authentication and encryption,
1668 persistent client caches and write back caching.
1670 If you say Y here, your Linux box will be able to act as a Coda
1671 *client*. You will need user level code as well, both for the
1672 client and server. Servers are currently user level, i.e. they need
1673 no kernel support. Please read
1674 <file:Documentation/filesystems/coda.txt> and check out the Coda
1675 home page <http://www.coda.cs.cmu.edu/>.
1677 To compile the coda client support as a module, choose M here: the
1678 module will be called coda.
1680 config CODA_FS_OLD_API
1681 bool "Use 96-bit Coda file identifiers"
1684 A new kernel-userspace API had to be introduced for Coda v6.0
1685 to support larger 128-bit file identifiers as needed by the
1686 new realms implementation.
1688 However this new API is not backward compatible with older
1689 clients. If you really need to run the old Coda userspace
1690 cache manager then say Y.
1692 For most cases you probably want to say N.
1695 # for fs/nls/Config.in
1696 tristate "Andrew File System support (AFS) (Experimental)"
1697 depends on INET && EXPERIMENTAL
1700 If you say Y here, you will get an experimental Andrew File System
1701 driver. It currently only supports unsecured read-only AFS access.
1703 See <file:Documentation/filesystems/afs.txt> for more intormation.
1712 menu "Partition Types"
1714 source "fs/partitions/Kconfig"
1718 source "fs/nls/Kconfig"