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Merge branch 'Kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/misc

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* 'Kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/misc: (36 commits)
  fs/Kconfig: move 9p out
  fs/Kconfig: move afs out
  fs/Kconfig: move coda out
  fs/Kconfig: move the rest of ncpfs out
  fs/Kconfig: move smbfs out
  fs/Kconfig: move sunrpc out
  fs/Kconfig: move nfsd out
  fs/Kconfig: move nfs out
  fs/Kconfig: move ufs out
  fs/Kconfig: move sysv out
  fs/Kconfig: move romfs out
  fs/Kconfig: move qnx4 out
  fs/Kconfig: move hpfs out
  fs/Kconfig: move omfs out
  fs/Kconfig: move minix out
  fs/Kconfig: move vxfs out
  fs/Kconfig: move squashfs out
  fs/Kconfig: move cramfs out
  fs/Kconfig: move efs out
  fs/Kconfig: move bfs out
  ...
This commit is contained in:
Linus Torvalds 2009-01-26 10:08:50 -08:00
commit a1c70a756f
40 changed files with 1363 additions and 1363 deletions
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config 9P_FS
tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)"
depends on INET && NET_9P && EXPERIMENTAL
help
If you say Y here, you will get experimental support for
Plan 9 resource sharing via the 9P2000 protocol.
See <http://v9fs.sf.net> for more information.
If unsure, say N.

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config ADFS_FS
tristate "ADFS file system support (EXPERIMENTAL)"
depends on BLOCK && EXPERIMENTAL
help
The Acorn Disc Filing System is the standard file system of the
RiscOS operating system which runs on Acorn's ARM-based Risc PC
systems and the Acorn Archimedes range of machines. If you say Y
here, Linux will be able to read from ADFS partitions on hard drives
and from ADFS-formatted floppy discs. If you also want to be able to
write to those devices, say Y to "ADFS write support" below.
The ADFS partition should be the first partition (i.e.,
/dev/[hs]d?1) on each of your drives. Please read the file
<file:Documentation/filesystems/adfs.txt> for further details.
To compile this code as a module, choose M here: the module will be
called adfs.
If unsure, say N.
config ADFS_FS_RW
bool "ADFS write support (DANGEROUS)"
depends on ADFS_FS
help
If you say Y here, you will be able to write to ADFS partitions on
hard drives and ADFS-formatted floppy disks. This is experimental
codes, so if you're unsure, say N.

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config AFFS_FS
tristate "Amiga FFS file system support (EXPERIMENTAL)"
depends on BLOCK && EXPERIMENTAL
help
The Fast File System (FFS) is the common file system used on hard
disks by Amiga(tm) systems since AmigaOS Version 1.3 (34.20). Say Y
if you want to be able to read and write files from and to an Amiga
FFS partition on your hard drive. Amiga floppies however cannot be
read with this driver due to an incompatibility of the floppy
controller used in an Amiga and the standard floppy controller in
PCs and workstations. Read <file:Documentation/filesystems/affs.txt>
and <file:fs/affs/Changes>.
With this driver you can also mount disk files used by Bernd
Schmidt's Un*X Amiga Emulator
(<http://www.freiburg.linux.de/~uae/>).
If you want to do this, you will also need to say Y or M to "Loop
device support", above.
To compile this file system support as a module, choose M here: the
module will be called affs. If unsure, say N.

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config AFS_FS
tristate "Andrew File System support (AFS) (EXPERIMENTAL)"
depends on INET && EXPERIMENTAL
select AF_RXRPC
help
If you say Y here, you will get an experimental Andrew File System
driver. It currently only supports unsecured read-only AFS access.
See <file:Documentation/filesystems/afs.txt> for more information.
If unsure, say N.
config AFS_DEBUG
bool "AFS dynamic debugging"
depends on AFS_FS
help
Say Y here to make runtime controllable debugging messages appear.
See <file:Documentation/filesystems/afs.txt> for more information.
If unsure, say N.

21
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config AUTOFS_FS
tristate "Kernel automounter support"
help
The automounter is a tool to automatically mount remote file systems
on demand. This implementation is partially kernel-based to reduce
overhead in the already-mounted case; this is unlike the BSD
automounter (amd), which is a pure user space daemon.
To use the automounter you need the user-space tools from the autofs
package; you can find the location in <file:Documentation/Changes>.
You also want to answer Y to "NFS file system support", below.
If you want to use the newer version of the automounter with more
features, say N here and say Y to "Kernel automounter v4 support",
below.
To compile this support as a module, choose M here: the module will be
called autofs.
If you are not a part of a fairly large, distributed network, you
probably do not need an automounter, and can say N here.

20
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config AUTOFS4_FS
tristate "Kernel automounter version 4 support (also supports v3)"
help
The automounter is a tool to automatically mount remote file systems
on demand. This implementation is partially kernel-based to reduce
overhead in the already-mounted case; this is unlike the BSD
automounter (amd), which is a pure user space daemon.
To use the automounter you need the user-space tools from
<ftp://ftp.kernel.org/pub/linux/daemons/autofs/v4/>; you also
want to answer Y to "NFS file system support", below.
To compile this support as a module, choose M here: the module will be
called autofs4. You will need to add "alias autofs autofs4" to your
modules configuration file.
If you are not a part of a fairly large, distributed network or
don't have a laptop which needs to dynamically reconfigure to the
local network, you probably do not need an automounter, and can say
N here.

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config BEFS_FS
tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)"
depends on BLOCK && EXPERIMENTAL
select NLS
help
The BeOS File System (BeFS) is the native file system of Be, Inc's
BeOS. Notable features include support for arbitrary attributes
on files and directories, and database-like indices on selected
attributes. (Also note that this driver doesn't make those features
available at this time). It is a 64 bit filesystem, so it supports
extremely large volumes and files.
If you use this filesystem, you should also say Y to at least one
of the NLS (native language support) options below.
If you don't know what this is about, say N.
To compile this as a module, choose M here: the module will be
called befs.
config BEFS_DEBUG
bool "Debug BeFS"
depends on BEFS_FS
help
If you say Y here, you can use the 'debug' mount option to enable
debugging output from the driver.

19
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config BFS_FS
tristate "BFS file system support (EXPERIMENTAL)"
depends on BLOCK && EXPERIMENTAL
help
Boot File System (BFS) is a file system used under SCO UnixWare to
allow the bootloader access to the kernel image and other important
files during the boot process. It is usually mounted under /stand
and corresponds to the slice marked as "STAND" in the UnixWare
partition. You should say Y if you want to read or write the files
on your /stand slice from within Linux. You then also need to say Y
to "UnixWare slices support", below. More information about the BFS
file system is contained in the file
<file:Documentation/filesystems/bfs.txt>.
If you don't know what this is about, say N.
To compile this as a module, choose M here: the module will be called
bfs. Note that the file system of your root partition (the one
containing the directory /) cannot be compiled as a module.

18
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config BTRFS_FS
tristate "Btrfs filesystem (EXPERIMENTAL) Unstable disk format"
depends on EXPERIMENTAL
select LIBCRC32C
select ZLIB_INFLATE
select ZLIB_DEFLATE
help
Btrfs is a new filesystem with extents, writable snapshotting,
support for multiple devices and many more features.
Btrfs is highly experimental, and THE DISK FORMAT IS NOT YET
FINALIZED. You should say N here unless you are interested in
testing Btrfs with non-critical data.
To compile this file system support as a module, choose M here. The
module will be called btrfs.
If unsure, say N.

21
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config CODA_FS
tristate "Coda file system support (advanced network fs)"
depends on INET
help
Coda is an advanced network file system, similar to NFS in that it
enables you to mount file systems of a remote server and access them
with regular Unix commands as if they were sitting on your hard
disk. Coda has several advantages over NFS: support for
disconnected operation (e.g. for laptops), read/write server
replication, security model for authentication and encryption,
persistent client caches and write back caching.
If you say Y here, your Linux box will be able to act as a Coda
*client*. You will need user level code as well, both for the
client and server. Servers are currently user level, i.e. they need
no kernel support. Please read
<file:Documentation/filesystems/coda.txt> and check out the Coda
home page <http://www.coda.cs.cmu.edu/>.
To compile the coda client support as a module, choose M here: the
module will be called coda.

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config CONFIGFS_FS
tristate "Userspace-driven configuration filesystem"
depends on SYSFS
help
configfs is a ram-based filesystem that provides the converse
of sysfs's functionality. Where sysfs is a filesystem-based
view of kernel objects, configfs is a filesystem-based manager
of kernel objects, or config_items.
Both sysfs and configfs can and should exist together on the
same system. One is not a replacement for the other.

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config CRAMFS
tristate "Compressed ROM file system support (cramfs)"
depends on BLOCK
select ZLIB_INFLATE
help
Saying Y here includes support for CramFs (Compressed ROM File
System). CramFs is designed to be a simple, small, and compressed
file system for ROM based embedded systems. CramFs is read-only,
limited to 256MB file systems (with 16MB files), and doesn't support
16/32 bits uid/gid, hard links and timestamps.
See <file:Documentation/filesystems/cramfs.txt> and
<file:fs/cramfs/README> for further information.
To compile this as a module, choose M here: the module will be called
cramfs. Note that the root file system (the one containing the
directory /) cannot be compiled as a module.
If unsure, say N.

11
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config ECRYPT_FS
tristate "eCrypt filesystem layer support (EXPERIMENTAL)"
depends on EXPERIMENTAL && KEYS && CRYPTO && NET
help
Encrypted filesystem that operates on the VFS layer. See
<file:Documentation/filesystems/ecryptfs.txt> to learn more about
eCryptfs. Userspace components are required and can be
obtained from <http://ecryptfs.sf.net>.
To compile this file system support as a module, choose M here: the
module will be called ecryptfs.

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config EFS_FS
tristate "EFS file system support (read only) (EXPERIMENTAL)"
depends on BLOCK && EXPERIMENTAL
help
EFS is an older file system used for non-ISO9660 CD-ROMs and hard
disk partitions by SGI's IRIX operating system (IRIX 6.0 and newer
uses the XFS file system for hard disk partitions however).
This implementation only offers read-only access. If you don't know
what all this is about, it's safe to say N. For more information
about EFS see its home page at <http://aeschi.ch.eu.org/efs/>.
To compile the EFS file system support as a module, choose M here: the
module will be called efs.

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config FAT_FS
tristate
select NLS
help
If you want to use one of the FAT-based file systems (the MS-DOS and
VFAT (Windows 95) file systems), then you must say Y or M here
to include FAT support. You will then be able to mount partitions or
diskettes with FAT-based file systems and transparently access the
files on them, i.e. MSDOS files will look and behave just like all
other Unix files.
This FAT support is not a file system in itself, it only provides
the foundation for the other file systems. You will have to say Y or
M to at least one of "MSDOS fs support" or "VFAT fs support" in
order to make use of it.
Another way to read and write MSDOS floppies and hard drive
partitions from within Linux (but not transparently) is with the
mtools ("man mtools") program suite. You don't need to say Y here in
order to do that.
If you need to move large files on floppies between a DOS and a
Linux box, say Y here, mount the floppy under Linux with an MSDOS
file system and use GNU tar's M option. GNU tar is a program
available for Unix and DOS ("man tar" or "info tar").
The FAT support will enlarge your kernel by about 37 KB. If unsure,
say Y.
To compile this as a module, choose M here: the module will be called
fat. Note that if you compile the FAT support as a module, you
cannot compile any of the FAT-based file systems into the kernel
-- they will have to be modules as well.
config MSDOS_FS
tristate "MSDOS fs support"
select FAT_FS
help
This allows you to mount MSDOS partitions of your hard drive (unless
they are compressed; to access compressed MSDOS partitions under
Linux, you can either use the DOS emulator DOSEMU, described in the
DOSEMU-HOWTO, available from
<http://www.tldp.org/docs.html#howto>, or try dmsdosfs in
<ftp://ibiblio.org/pub/Linux/system/filesystems/dosfs/>. If you
intend to use dosemu with a non-compressed MSDOS partition, say Y
here) and MSDOS floppies. This means that file access becomes
transparent, i.e. the MSDOS files look and behave just like all
other Unix files.
If you have Windows 95 or Windows NT installed on your MSDOS
partitions, you should use the VFAT file system (say Y to "VFAT fs
support" below), or you will not be able to see the long filenames
generated by Windows 95 / Windows NT.
This option will enlarge your kernel by about 7 KB. If unsure,
answer Y. This will only work if you said Y to "DOS FAT fs support"
as well. To compile this as a module, choose M here: the module will
be called msdos.
config VFAT_FS
tristate "VFAT (Windows-95) fs support"
select FAT_FS
help
This option provides support for normal Windows file systems with
long filenames. That includes non-compressed FAT-based file systems
used by Windows 95, Windows 98, Windows NT 4.0, and the Unix
programs from the mtools package.
The VFAT support enlarges your kernel by about 10 KB and it only
works if you said Y to the "DOS FAT fs support" above. Please read
the file <file:Documentation/filesystems/vfat.txt> for details. If
unsure, say Y.
To compile this as a module, choose M here: the module will be called
vfat.
config FAT_DEFAULT_CODEPAGE
int "Default codepage for FAT"
depends on MSDOS_FS || VFAT_FS
default 437
help
This option should be set to the codepage of your FAT filesystems.
It can be overridden with the "codepage" mount option.
See <file:Documentation/filesystems/vfat.txt> for more information.
config FAT_DEFAULT_IOCHARSET
string "Default iocharset for FAT"
depends on VFAT_FS
default "iso8859-1"
help
Set this to the default input/output character set you'd
like FAT to use. It should probably match the character set
that most of your FAT filesystems use, and can be overridden
with the "iocharset" mount option for FAT filesystems.
Note that "utf8" is not recommended for FAT filesystems.
If unsure, you shouldn't set "utf8" here.
See <file:Documentation/filesystems/vfat.txt> for more information.

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config VXFS_FS
tristate "FreeVxFS file system support (VERITAS VxFS(TM) compatible)"
depends on BLOCK
help
FreeVxFS is a file system driver that support the VERITAS VxFS(TM)
file system format. VERITAS VxFS(TM) is the standard file system
of SCO UnixWare (and possibly others) and optionally available
for Sunsoft Solaris, HP-UX and many other operating systems.
Currently only readonly access is supported.
NOTE: the file system type as used by mount(1), mount(2) and
fstab(5) is 'vxfs' as it describes the file system format, not
the actual driver.
To compile this as a module, choose M here: the module will be
called freevxfs. If unsure, say N.

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config FUSE_FS
tristate "FUSE (Filesystem in Userspace) support"
help
With FUSE it is possible to implement a fully functional filesystem
in a userspace program.
There's also companion library: libfuse. This library along with
utilities is available from the FUSE homepage:
<http://fuse.sourceforge.net/>
See <file:Documentation/filesystems/fuse.txt> for more information.
See <file:Documentation/Changes> for needed library/utility version.
If you want to develop a userspace FS, or if you want to use
a filesystem based on FUSE, answer Y or M.

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config HFS_FS
tristate "Apple Macintosh file system support (EXPERIMENTAL)"
depends on BLOCK && EXPERIMENTAL
select NLS
help
If you say Y here, you will be able to mount Macintosh-formatted
floppy disks and hard drive partitions with full read-write access.
Please read <file:Documentation/filesystems/hfs.txt> to learn about
the available mount options.
To compile this file system support as a module, choose M here: the
module will be called hfs.

13
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config HFSPLUS_FS
tristate "Apple Extended HFS file system support"
depends on BLOCK
select NLS
select NLS_UTF8
help
If you say Y here, you will be able to mount extended format
Macintosh-formatted hard drive partitions with full read-write access.
This file system is often called HFS+ and was introduced with
MacOS 8. It includes all Mac specific filesystem data such as
data forks and creator codes, but it also has several UNIX
style features such as file ownership and permissions.

14
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config HPFS_FS
tristate "OS/2 HPFS file system support"
depends on BLOCK
help
OS/2 is IBM's operating system for PC's, the same as Warp, and HPFS
is the file system used for organizing files on OS/2 hard disk
partitions. Say Y if you want to be able to read files from and
write files to an OS/2 HPFS partition on your hard drive. OS/2
floppies however are in regular MSDOS format, so you don't need this
option in order to be able to read them. Read
<file:Documentation/filesystems/hpfs.txt>.
To compile this file system support as a module, choose M here: the
module will be called hpfs. If unsure, say N.

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config ISO9660_FS
tristate "ISO 9660 CDROM file system support"
help
This is the standard file system used on CD-ROMs. It was previously
known as "High Sierra File System" and is called "hsfs" on other
Unix systems. The so-called Rock-Ridge extensions which allow for
long Unix filenames and symbolic links are also supported by this
driver. If you have a CD-ROM drive and want to do more with it than
just listen to audio CDs and watch its LEDs, say Y (and read
<file:Documentation/filesystems/isofs.txt> and the CD-ROM-HOWTO,
available from <http://www.tldp.org/docs.html#howto>), thereby
enlarging your kernel by about 27 KB; otherwise say N.
To compile this file system support as a module, choose M here: the
module will be called isofs.
config JOLIET
bool "Microsoft Joliet CDROM extensions"
depends on ISO9660_FS
select NLS
help
Joliet is a Microsoft extension for the ISO 9660 CD-ROM file system
which allows for long filenames in unicode format (unicode is the
new 16 bit character code, successor to ASCII, which encodes the
characters of almost all languages of the world; see
<http://www.unicode.org/> for more information). Say Y here if you
want to be able to read Joliet CD-ROMs under Linux.
config ZISOFS
bool "Transparent decompression extension"
depends on ISO9660_FS
select ZLIB_INFLATE
help
This is a Linux-specific extension to RockRidge which lets you store
data in compressed form on a CD-ROM and have it transparently
decompressed when the CD-ROM is accessed. See
<http://www.kernel.org/pub/linux/utils/fs/zisofs/> for the tools
necessary to create such a filesystem. Say Y here if you want to be
able to read such compressed CD-ROMs.

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config JFS_FS
tristate "JFS filesystem support"
select NLS
help
This is a port of IBM's Journaled Filesystem . More information is
available in the file <file:Documentation/filesystems/jfs.txt>.
If you do not intend to use the JFS filesystem, say N.
config JFS_POSIX_ACL
bool "JFS POSIX Access Control Lists"
depends on JFS_FS
select FS_POSIX_ACL
help
Posix Access Control Lists (ACLs) support permissions for users and
groups beyond the owner/group/world scheme.
To learn more about Access Control Lists, visit the Posix ACLs for
Linux website <http://acl.bestbits.at/>.
If you don't know what Access Control Lists are, say N
config JFS_SECURITY
bool "JFS Security Labels"
depends on JFS_FS
help
Security labels support alternative access control models
implemented by security modules like SELinux. This option
enables an extended attribute handler for file security
labels in the jfs filesystem.
If you are not using a security module that requires using
extended attributes for file security labels, say N.
config JFS_DEBUG
bool "JFS debugging"
depends on JFS_FS
help
If you are experiencing any problems with the JFS filesystem, say
Y here. This will result in additional debugging messages to be
written to the system log. Under normal circumstances, this
results in very little overhead.
config JFS_STATISTICS
bool "JFS statistics"
depends on JFS_FS
help
Enabling this option will cause statistics from the JFS file system
to be made available to the user in the /proc/fs/jfs/ directory.

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config MINIX_FS
tristate "Minix file system support"
depends on BLOCK
help
Minix is a simple operating system used in many classes about OS's.
The minix file system (method to organize files on a hard disk
partition or a floppy disk) was the original file system for Linux,
but has been superseded by the second extended file system ext2fs.
You don't want to use the minix file system on your hard disk
because of certain built-in restrictions, but it is sometimes found
on older Linux floppy disks. This option will enlarge your kernel
by about 28 KB. If unsure, say N.
To compile this file system support as a module, choose M here: the
module will be called minix. Note that the file system of your root
partition (the one containing the directory /) cannot be compiled as
a module.

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#
# NCP Filesystem configuration
#
config NCP_FS
tristate "NCP file system support (to mount NetWare volumes)"
depends on IPX!=n || INET
help
NCP (NetWare Core Protocol) is a protocol that runs over IPX and is
used by Novell NetWare clients to talk to file servers. It is to
IPX what NFS is to TCP/IP, if that helps. Saying Y here allows you
to mount NetWare file server volumes and to access them just like
any other Unix directory. For details, please read the file
<file:Documentation/filesystems/ncpfs.txt> in the kernel source and
the IPX-HOWTO from <http://www.tldp.org/docs.html#howto>.
You do not have to say Y here if you want your Linux box to act as a
file *server* for Novell NetWare clients.
General information about how to connect Linux, Windows machines and
Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>.
To compile this as a module, choose M here: the module will be called
ncpfs. Say N unless you are connected to a Novell network.
config NCPFS_PACKET_SIGNING
bool "Packet signatures"
depends on NCP_FS

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config NFS_FS
tristate "NFS client support"
depends on INET
select LOCKD
select SUNRPC
select NFS_ACL_SUPPORT if NFS_V3_ACL
help
Choose Y here if you want to access files residing on other
computers using Sun's Network File System protocol. To compile
this file system support as a module, choose M here: the module
will be called nfs.
To mount file systems exported by NFS servers, you also need to
install the user space mount.nfs command which can be found in
the Linux nfs-utils package, available from http://linux-nfs.org/.
Information about using the mount command is available in the
mount(8) man page. More detail about the Linux NFS client
implementation is available via the nfs(5) man page.
Below you can choose which versions of the NFS protocol are
available in the kernel to mount NFS servers. Support for NFS
version 2 (RFC 1094) is always available when NFS_FS is selected.
To configure a system which mounts its root file system via NFS
at boot time, say Y here, select "Kernel level IP
autoconfiguration" in the NETWORK menu, and select "Root file
system on NFS" below. You cannot compile this file system as a
module in this case.
If unsure, say N.
config NFS_V3
bool "NFS client support for NFS version 3"
depends on NFS_FS
help
This option enables support for version 3 of the NFS protocol
(RFC 1813) in the kernel's NFS client.
If unsure, say Y.
config NFS_V3_ACL
bool "NFS client support for the NFSv3 ACL protocol extension"
depends on NFS_V3
help
Some NFS servers support an auxiliary NFSv3 ACL protocol that
Sun added to Solaris but never became an official part of the
NFS version 3 protocol. This protocol extension allows
applications on NFS clients to manipulate POSIX Access Control
Lists on files residing on NFS servers. NFS servers enforce
ACLs on local files whether this protocol is available or not.
Choose Y here if your NFS server supports the Solaris NFSv3 ACL
protocol extension and you want your NFS client to allow
applications to access and modify ACLs on files on the server.
Most NFS servers don't support the Solaris NFSv3 ACL protocol
extension. You can choose N here or specify the "noacl" mount
option to prevent your NFS client from trying to use the NFSv3
ACL protocol.
If unsure, say N.
config NFS_V4
bool "NFS client support for NFS version 4 (EXPERIMENTAL)"
depends on NFS_FS && EXPERIMENTAL
select RPCSEC_GSS_KRB5
help
This option enables support for version 4 of the NFS protocol
(RFC 3530) in the kernel's NFS client.
To mount NFS servers using NFSv4, you also need to install user
space programs which can be found in the Linux nfs-utils package,
available from http://linux-nfs.org/.
If unsure, say N.
config ROOT_NFS
bool "Root file system on NFS"
depends on NFS_FS=y && IP_PNP
help
If you want your system to mount its root file system via NFS,
choose Y here. This is common practice for managing systems
without local permanent storage. For details, read
<file:Documentation/filesystems/nfsroot.txt>.
Most people say N here.

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config NFSD
tristate "NFS server support"
depends on INET
select LOCKD
select SUNRPC
select EXPORTFS
select NFS_ACL_SUPPORT if NFSD_V2_ACL
help
Choose Y here if you want to allow other computers to access
files residing on this system using Sun's Network File System
protocol. To compile the NFS server support as a module,
choose M here: the module will be called nfsd.
You may choose to use a user-space NFS server instead, in which
case you can choose N here.
To export local file systems using NFS, you also need to install
user space programs which can be found in the Linux nfs-utils
package, available from http://linux-nfs.org/. More detail about
the Linux NFS server implementation is available via the
exports(5) man page.
Below you can choose which versions of the NFS protocol are
available to clients mounting the NFS server on this system.
Support for NFS version 2 (RFC 1094) is always available when
CONFIG_NFSD is selected.
If unsure, say N.
config NFSD_V2_ACL
bool
depends on NFSD
config NFSD_V3
bool "NFS server support for NFS version 3"
depends on NFSD
help
This option enables support in your system's NFS server for
version 3 of the NFS protocol (RFC 1813).
If unsure, say Y.
config NFSD_V3_ACL
bool "NFS server support for the NFSv3 ACL protocol extension"
depends on NFSD_V3
select NFSD_V2_ACL
help
Solaris NFS servers support an auxiliary NFSv3 ACL protocol that
never became an official part of the NFS version 3 protocol.
This protocol extension allows applications on NFS clients to
manipulate POSIX Access Control Lists on files residing on NFS
servers. NFS servers enforce POSIX ACLs on local files whether
this protocol is available or not.
This option enables support in your system's NFS server for the
NFSv3 ACL protocol extension allowing NFS clients to manipulate
POSIX ACLs on files exported by your system's NFS server. NFS
clients which support the Solaris NFSv3 ACL protocol can then
access and modify ACLs on your NFS server.
To store ACLs on your NFS server, you also need to enable ACL-
related CONFIG options for your local file systems of choice.
If unsure, say N.
config NFSD_V4
bool "NFS server support for NFS version 4 (EXPERIMENTAL)"
depends on NFSD && PROC_FS && EXPERIMENTAL
select NFSD_V3
select FS_POSIX_ACL
select RPCSEC_GSS_KRB5
help
This option enables support in your system's NFS server for
version 4 of the NFS protocol (RFC 3530).
To export files using NFSv4, you need to install additional user
space programs which can be found in the Linux nfs-utils package,
available from http://linux-nfs.org/.
If unsure, say N.

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config NTFS_FS
tristate "NTFS file system support"
select NLS
help
NTFS is the file system of Microsoft Windows NT, 2000, XP and 2003.
Saying Y or M here enables read support. There is partial, but
safe, write support available. For write support you must also
say Y to "NTFS write support" below.
There are also a number of user-space tools available, called
ntfsprogs. These include ntfsundelete and ntfsresize, that work
without NTFS support enabled in the kernel.
This is a rewrite from scratch of Linux NTFS support and replaced
the old NTFS code starting with Linux 2.5.11. A backport to
the Linux 2.4 kernel series is separately available as a patch
from the project web site.
For more information see <file:Documentation/filesystems/ntfs.txt>
and <http://www.linux-ntfs.org/>.
To compile this file system support as a module, choose M here: the
module will be called ntfs.
If you are not using Windows NT, 2000, XP or 2003 in addition to
Linux on your computer it is safe to say N.
config NTFS_DEBUG
bool "NTFS debugging support"
depends on NTFS_FS
help
If you are experiencing any problems with the NTFS file system, say
Y here. This will result in additional consistency checks to be
performed by the driver as well as additional debugging messages to
be written to the system log. Note that debugging messages are
disabled by default. To enable them, supply the option debug_msgs=1
at the kernel command line when booting the kernel or as an option
to insmod when loading the ntfs module. Once the driver is active,
you can enable debugging messages by doing (as root):
echo 1 > /proc/sys/fs/ntfs-debug
Replacing the "1" with "0" would disable debug messages.
If you leave debugging messages disabled, this results in little
overhead, but enabling debug messages results in very significant
slowdown of the system.
When reporting bugs, please try to have available a full dump of
debugging messages while the misbehaviour was occurring.
config NTFS_RW
bool "NTFS write support"
depends on NTFS_FS
help
This enables the partial, but safe, write support in the NTFS driver.
The only supported operation is overwriting existing files, without
changing the file length. No file or directory creation, deletion or
renaming is possible. Note only non-resident files can be written to
so you may find that some very small files (<500 bytes or so) cannot
be written to.
While we cannot guarantee that it will not damage any data, we have
so far not received a single report where the driver would have
damaged someones data so we assume it is perfectly safe to use.
Note: While write support is safe in this version (a rewrite from
scratch of the NTFS support), it should be noted that the old NTFS
write support, included in Linux 2.5.10 and before (since 1997),
is not safe.
This is currently useful with TopologiLinux. TopologiLinux is run
on top of any DOS/Microsoft Windows system without partitioning your
hard disk. Unlike other Linux distributions TopologiLinux does not
need its own partition. For more information see
<http://topologi-linux.sourceforge.net/>
It is perfectly safe to say N here.

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config OCFS2_FS
tristate "OCFS2 file system support"
depends on NET && SYSFS
select CONFIGFS_FS
select JBD2
select CRC32
select QUOTA
select QUOTA_TREE
help
OCFS2 is a general purpose extent based shared disk cluster file
system with many similarities to ext3. It supports 64 bit inode
numbers, and has automatically extending metadata groups which may
also make it attractive for non-clustered use.
You'll want to install the ocfs2-tools package in order to at least
get "mount.ocfs2".
Project web page: http://oss.oracle.com/projects/ocfs2
Tools web page: http://oss.oracle.com/projects/ocfs2-tools
OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/
For more information on OCFS2, see the file
<file:Documentation/filesystems/ocfs2.txt>.
config OCFS2_FS_O2CB
tristate "O2CB Kernelspace Clustering"
depends on OCFS2_FS
default y
help
OCFS2 includes a simple kernelspace clustering package, the OCFS2
Cluster Base. It only requires a very small userspace component
to configure it. This comes with the standard ocfs2-tools package.
O2CB is limited to maintaining a cluster for OCFS2 file systems.
It cannot manage any other cluster applications.
It is always safe to say Y here, as the clustering method is
run-time selectable.
config OCFS2_FS_USERSPACE_CLUSTER
tristate "OCFS2 Userspace Clustering"
depends on OCFS2_FS && DLM
default y
help
This option will allow OCFS2 to use userspace clustering services
in conjunction with the DLM in fs/dlm. If you are using a
userspace cluster manager, say Y here.
It is safe to say Y, as the clustering method is run-time
selectable.
config OCFS2_FS_STATS
bool "OCFS2 statistics"
depends on OCFS2_FS
default y
help
This option allows some fs statistics to be captured. Enabling
this option may increase the memory consumption.
config OCFS2_DEBUG_MASKLOG
bool "OCFS2 logging support"
depends on OCFS2_FS
default y
help
The ocfs2 filesystem has an extensive logging system. The system
allows selection of events to log via files in /sys/o2cb/logmask/.
This option will enlarge your kernel, but it allows debugging of
ocfs2 filesystem issues.
config OCFS2_DEBUG_FS
bool "OCFS2 expensive checks"
depends on OCFS2_FS
default n
help
This option will enable expensive consistency checks. Enable
this option for debugging only as it is likely to decrease
performance of the filesystem.
config OCFS2_FS_POSIX_ACL
bool "OCFS2 POSIX Access Control Lists"
depends on OCFS2_FS
select FS_POSIX_ACL
default n
help
Posix Access Control Lists (ACLs) support permissions for users and
groups beyond the owner/group/world scheme.

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config OMFS_FS
tristate "SonicBlue Optimized MPEG File System support"
depends on BLOCK
select CRC_ITU_T
help
This is the proprietary file system used by the Rio Karma music
player and ReplayTV DVR. Despite the name, this filesystem is not
more efficient than a standard FS for MPEG files, in fact likely
the opposite is true. Say Y if you have either of these devices
and wish to mount its disk.
To compile this file system support as a module, choose M here: the
module will be called omfs. If unsure, say N.

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config QNX4FS_FS
tristate "QNX4 file system support (read only)"
depends on BLOCK
help
This is the file system used by the real-time operating systems
QNX 4 and QNX 6 (the latter is also called QNX RTP).
Further information is available at <http://www.qnx.com/>.
Say Y if you intend to mount QNX hard disks or floppies.
Unless you say Y to "QNX4FS read-write support" below, you will
only be able to read these file systems.
To compile this file system support as a module, choose M here: the
module will be called qnx4.
If you don't know whether you need it, then you don't need it:
answer N.
config QNX4FS_RW
bool "QNX4FS write support (DANGEROUS)"
depends on QNX4FS_FS && EXPERIMENTAL && BROKEN
help
Say Y if you want to test write support for QNX4 file systems.
It's currently broken, so for now:
answer N.

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config REISERFS_FS
tristate "Reiserfs support"
help
Stores not just filenames but the files themselves in a balanced
tree. Uses journalling.
Balanced trees are more efficient than traditional file system
architectural foundations.
In general, ReiserFS is as fast as ext2, but is very efficient with
large directories and small files. Additional patches are needed
for NFS and quotas, please see <http://www.namesys.com/> for links.
It is more easily extended to have features currently found in
database and keyword search systems than block allocation based file
systems are. The next version will be so extended, and will support
plugins consistent with our motto ``It takes more than a license to
make source code open.''
Read <http://www.namesys.com/> to learn more about reiserfs.
Sponsored by Threshold Networks, Emusic.com, and Bigstorage.com.
If you like it, you can pay us to add new features to it that you
need, buy a support contract, or pay us to port it to another OS.
config REISERFS_CHECK
bool "Enable reiserfs debug mode"
depends on REISERFS_FS
help
If you set this to Y, then ReiserFS will perform every check it can
possibly imagine of its internal consistency throughout its
operation. It will also go substantially slower. More than once we
have forgotten that this was on, and then gone despondent over the
latest benchmarks.:-) Use of this option allows our team to go all
out in checking for consistency when debugging without fear of its
effect on end users. If you are on the verge of sending in a bug
report, say Y and you might get a useful error message. Almost
everyone should say N.
config REISERFS_PROC_INFO
bool "Stats in /proc/fs/reiserfs"
depends on REISERFS_FS && PROC_FS
help
Create under /proc/fs/reiserfs a hierarchy of files, displaying
various ReiserFS statistics and internal data at the expense of
making your kernel or module slightly larger (+8 KB). This also
increases the amount of kernel memory required for each mount.
Almost everyone but ReiserFS developers and people fine-tuning
reiserfs or tracing problems should say N.
config REISERFS_FS_XATTR
bool "ReiserFS extended attributes"
depends on REISERFS_FS
help
Extended attributes are name:value pairs associated with inodes by
the kernel or by users (see the attr(5) manual page, or visit
<http://acl.bestbits.at/> for details).
If unsure, say N.
config REISERFS_FS_POSIX_ACL
bool "ReiserFS POSIX Access Control Lists"
depends on REISERFS_FS_XATTR
select FS_POSIX_ACL
help
Posix Access Control Lists (ACLs) support permissions for users and
groups beyond the owner/group/world scheme.
To learn more about Access Control Lists, visit the Posix ACLs for
Linux website <http://acl.bestbits.at/>.
If you don't know what Access Control Lists are, say N
config REISERFS_FS_SECURITY
bool "ReiserFS Security Labels"
depends on REISERFS_FS_XATTR
help
Security labels support alternative access control models
implemented by security modules like SELinux. This option
enables an extended attribute handler for file security
labels in the ReiserFS filesystem.
If you are not using a security module that requires using
extended attributes for file security labels, say N.

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config ROMFS_FS
tristate "ROM file system support"
depends on BLOCK
---help---
This is a very small read-only file system mainly intended for
initial ram disks of installation disks, but it could be used for
other read-only media as well. Read
<file:Documentation/filesystems/romfs.txt> for details.
To compile this file system support as a module, choose M here: the
module will be called romfs. Note that the file system of your
root partition (the one containing the directory /) cannot be a
module.
If you don't know whether you need it, then you don't need it:
answer N.

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config SMB_FS
tristate "SMB file system support (OBSOLETE, please use CIFS)"
depends on INET
select NLS
help
SMB (Server Message Block) is the protocol Windows for Workgroups
(WfW), Windows 95/98, Windows NT and OS/2 Lan Manager use to share
files and printers over local networks. Saying Y here allows you to
mount their file systems (often called "shares" in this context) and
access them just like any other Unix directory. Currently, this
works only if the Windows machines use TCP/IP as the underlying
transport protocol, and not NetBEUI. For details, read
<file:Documentation/filesystems/smbfs.txt> and the SMB-HOWTO,
available from <http://www.tldp.org/docs.html#howto>.
Note: if you just want your box to act as an SMB *server* and make
files and printing services available to Windows clients (which need
to have a TCP/IP stack), you don't need to say Y here; you can use
the program SAMBA (available from <ftp://ftp.samba.org/pub/samba/>)
for that.
General information about how to connect Linux, Windows machines and
Macs is on the WWW at <http://www.eats.com/linux_mac_win.html>.
To compile the SMB support as a module, choose M here:
the module will be called smbfs. Most people say N, however.
config SMB_NLS_DEFAULT
bool "Use a default NLS"
depends on SMB_FS
help
Enabling this will make smbfs use nls translations by default. You
need to specify the local charset (CONFIG_NLS_DEFAULT) in the nls
settings and you need to give the default nls for the SMB server as
CONFIG_SMB_NLS_REMOTE.
The nls settings can be changed at mount time, if your smbmount
supports that, using the codepage and iocharset parameters.
smbmount from samba 2.2.0 or later supports this.
config SMB_NLS_REMOTE
string "Default Remote NLS Option"
depends on SMB_NLS_DEFAULT
default "cp437"
help
This setting allows you to specify a default value for which
codepage the server uses. If this field is left blank no
translations will be done by default. The local codepage/charset
default to CONFIG_NLS_DEFAULT.
The nls settings can be changed at mount time, if your smbmount
supports that, using the codepage and iocharset parameters.
smbmount from samba 2.2.0 or later supports this.

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config SQUASHFS
tristate "SquashFS 4.0 - Squashed file system support"
depends on BLOCK
select ZLIB_INFLATE
help
Saying Y here includes support for SquashFS 4.0 (a Compressed
Read-Only File System). Squashfs is a highly compressed read-only
filesystem for Linux. It uses zlib compression to compress both
files, inodes and directories. Inodes in the system are very small
and all blocks are packed to minimise data overhead. Block sizes
greater than 4K are supported up to a maximum of 1 Mbytes (default
block size 128K). SquashFS 4.0 supports 64 bit filesystems and files
(larger than 4GB), full uid/gid information, hard links and
timestamps.
Squashfs is intended for general read-only filesystem use, for
archival use (i.e. in cases where a .tar.gz file may be used), and in
embedded systems where low overhead is needed. Further information
and tools are available from http://squashfs.sourceforge.net.
If you want to compile this as a module ( = code which can be
inserted in and removed from the running kernel whenever you want),
say M here and read <file:Documentation/modules.txt>. The module
will be called squashfs. Note that the root file system (the one
containing the directory /) cannot be compiled as a module.
If unsure, say N.
config SQUASHFS_EMBEDDED
bool "Additional option for memory-constrained systems"
depends on SQUASHFS
default n
help
Saying Y here allows you to specify cache size.
If unsure, say N.
config SQUASHFS_FRAGMENT_CACHE_SIZE
int "Number of fragments cached" if SQUASHFS_EMBEDDED
depends on SQUASHFS
default "3"
help
By default SquashFS caches the last 3 fragments read from
the filesystem. Increasing this amount may mean SquashFS
has to re-read fragments less often from disk, at the expense
of extra system memory. Decreasing this amount will mean
SquashFS uses less memory at the expense of extra reads from disk.
Note there must be at least one cached fragment. Anything
much more than three will probably not make much difference.

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config SYSFS
bool "sysfs file system support" if EMBEDDED
default y
help
The sysfs filesystem is a virtual filesystem that the kernel uses to
export internal kernel objects, their attributes, and their
relationships to one another.
Users can use sysfs to ascertain useful information about the running
kernel, such as the devices the kernel has discovered on each bus and
which driver each is bound to. sysfs can also be used to tune devices
and other kernel subsystems.
Some system agents rely on the information in sysfs to operate.
/sbin/hotplug uses device and object attributes in sysfs to assist in
delegating policy decisions, like persistently naming devices.
sysfs is currently used by the block subsystem to mount the root
partition. If sysfs is disabled you must specify the boot device on
the kernel boot command line via its major and minor numbers. For
example, "root=03:01" for /dev/hda1.
Designers of embedded systems may wish to say N here to conserve space.

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config SYSV_FS
tristate "System V/Xenix/V7/Coherent file system support"
depends on BLOCK
help
SCO, Xenix and Coherent are commercial Unix systems for Intel
machines, and Version 7 was used on the DEC PDP-11. Saying Y
here would allow you to read from their floppies and hard disk
partitions.
If you have floppies or hard disk partitions like that, it is likely
that they contain binaries from those other Unix systems; in order
to run these binaries, you will want to install linux-abi which is
a set of kernel modules that lets you run SCO, Xenix, Wyse,
UnixWare, Dell Unix and System V programs under Linux. It is
available via FTP (user: ftp) from
<ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>).
NOTE: that will work only for binaries from Intel-based systems;
PDP ones will have to wait until somebody ports Linux to -11 ;-)
If you only intend to mount files from some other Unix over the
network using NFS, you don't need the System V file system support
(but you need NFS file system support obviously).
Note that this option is generally not needed for floppies, since a
good portable way to transport files and directories between unixes
(and even other operating systems) is given by the tar program ("man
tar" or preferably "info tar"). Note also that this option has
nothing whatsoever to do with the option "System V IPC". Read about
the System V file system in
<file:Documentation/filesystems/sysv-fs.txt>.
Saying Y here will enlarge your kernel by about 27 KB.
To compile this as a module, choose M here: the module will be called
sysv.
If you haven't heard about all of this before, it's safe to say N.

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config UDF_FS
tristate "UDF file system support"
select CRC_ITU_T
help
This is the new file system used on some CD-ROMs and DVDs. Say Y if
you intend to mount DVD discs or CDRW's written in packet mode, or
if written to by other UDF utilities, such as DirectCD.
Please read <file:Documentation/filesystems/udf.txt>.
To compile this file system support as a module, choose M here: the
module will be called udf.
If unsure, say N.
config UDF_NLS
bool
default y
depends on (UDF_FS=m && NLS) || (UDF_FS=y && NLS=y)

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config UFS_FS
tristate "UFS file system support (read only)"
depends on BLOCK
help
BSD and derivate versions of Unix (such as SunOS, FreeBSD, NetBSD,
OpenBSD and NeXTstep) use a file system called UFS. Some System V
Unixes can create and mount hard disk partitions and diskettes using
this file system as well. Saying Y here will allow you to read from
these partitions; if you also want to write to them, say Y to the
experimental "UFS file system write support", below. Please read the
file <file:Documentation/filesystems/ufs.txt> for more information.
The recently released UFS2 variant (used in FreeBSD 5.x) is
READ-ONLY supported.
Note that this option is generally not needed for floppies, since a
good portable way to transport files and directories between unixes
(and even other operating systems) is given by the tar program ("man
tar" or preferably "info tar").
When accessing NeXTstep files, you may need to convert them from the
NeXT character set to the Latin1 character set; use the program
recode ("info recode") for this purpose.
To compile the UFS file system support as a module, choose M here: the
module will be called ufs.
If you haven't heard about all of this before, it's safe to say N.
config UFS_FS_WRITE
bool "UFS file system write support (DANGEROUS)"
depends on UFS_FS && EXPERIMENTAL
help
Say Y here if you want to try writing to UFS partitions. This is
experimental, so you should back up your UFS partitions beforehand.
config UFS_DEBUG
bool "UFS debugging"
depends on UFS_FS
help
If you are experiencing any problems with the UFS filesystem, say
Y here. This will result in _many_ additional debugging messages to be
written to the system log.

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config SUNRPC
tristate
config SUNRPC_GSS
tristate
config SUNRPC_XPRT_RDMA
tristate
depends on SUNRPC && INFINIBAND && EXPERIMENTAL
default SUNRPC && INFINIBAND
help
This option enables an RPC client transport capability that
allows the NFS client to mount servers via an RDMA-enabled
transport.
To compile RPC client RDMA transport support as a module,
choose M here: the module will be called xprtrdma.
If unsure, say N.
config SUNRPC_REGISTER_V4
bool "Register local RPC services via rpcbind v4 (EXPERIMENTAL)"
depends on SUNRPC && EXPERIMENTAL
default n
help
Sun added support for registering RPC services at an IPv6
address by creating two new versions of the rpcbind protocol
(RFC 1833).
This option enables support in the kernel RPC server for
registering kernel RPC services via version 4 of the rpcbind
protocol. If you enable this option, you must run a portmapper
daemon that supports rpcbind protocol version 4.
Serving NFS over IPv6 from knfsd (the kernel's NFS server)
requires that you enable this option and use a portmapper that
supports rpcbind version 4.
If unsure, say N to get traditional behavior (register kernel
RPC services using only rpcbind version 2). Distributions
using the legacy Linux portmapper daemon must say N here.
config RPCSEC_GSS_KRB5
tristate "Secure RPC: Kerberos V mechanism (EXPERIMENTAL)"
depends on SUNRPC && EXPERIMENTAL
select SUNRPC_GSS
select CRYPTO
select CRYPTO_MD5
select CRYPTO_DES
select CRYPTO_CBC
help
Choose Y here to enable Secure RPC using the Kerberos version 5
GSS-API mechanism (RFC 1964).
Secure RPC calls with Kerberos require an auxiliary user-space
daemon which may be found in the Linux nfs-utils package
available from http://linux-nfs.org/. In addition, user-space
Kerberos support should be installed.
If unsure, say N.
config RPCSEC_GSS_SPKM3
tristate "Secure RPC: SPKM3 mechanism (EXPERIMENTAL)"
depends on SUNRPC && EXPERIMENTAL
select SUNRPC_GSS
select CRYPTO
select CRYPTO_MD5
select CRYPTO_DES
select CRYPTO_CAST5
select CRYPTO_CBC
help
Choose Y here to enable Secure RPC using the SPKM3 public key
GSS-API mechansim (RFC 2025).
Secure RPC calls with SPKM3 require an auxiliary userspace
daemon which may be found in the Linux nfs-utils package
available from http://linux-nfs.org/.
If unsure, say N.