menu "File systems"
+if BLOCK
+
config EXT2_FS
tristate "Second extended fs support"
help
Ext2 is a standard Linux file system for hard disks.
To compile this file system support as a module, choose M here: the
- module will be called ext2. Be aware however that the file system
- of your root partition (the one containing the directory /) cannot
- be compiled as a module, and so this could be dangerous.
+ module will be called ext2.
If unsure, say Y.
tristate "Ext3 journalling file system support"
select JBD
help
- This is the journaling version of the Second extended file system
+ This is the journalling version of the Second extended file system
(often called ext3), the de facto standard Linux file system
(method to organize files on a storage device) for hard disks.
- The journaling code included in this driver means you do not have
+ The journalling code included in this driver means you do not have
to run e2fsck (file system checker) on your file systems after a
crash. The journal keeps track of any changes that were being made
at the time the system crashed, and can ensure that your file system
(available at <http://sourceforge.net/projects/e2fsprogs/>).
To compile this file system support as a module, choose M here: the
- module will be called ext3. Be aware however that the file system
- of your root partition (the one containing the directory /) cannot
- be compiled as a module, and so this may be dangerous.
+ module will be called ext3.
config EXT3_FS_XATTR
bool "Ext3 extended attributes"
If you are not using a security module that requires using
extended attributes for file security labels, say N.
+config EXT4DEV_FS
+ tristate "Ext4dev/ext4 extended fs support development (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ select JBD2
+ help
+ Ext4dev is a predecessor filesystem of the next generation
+ extended fs ext4, based on ext3 filesystem code. It will be
+ renamed ext4 fs later, once ext4dev is mature and stabilized.
+
+ Unlike the change from ext2 filesystem to ext3 filesystem,
+ the on-disk format of ext4dev is not the same as ext3 any more:
+ it is based on extent maps and it supports 48-bit physical block
+ numbers. These combined on-disk format changes will allow
+ ext4dev/ext4 to handle more than 16 TB filesystem volumes --
+ a hard limit that ext3 cannot overcome without changing the
+ on-disk format.
+
+ Other than extent maps and 48-bit block numbers, ext4dev also is
+ likely to have other new features such as persistent preallocation,
+ high resolution time stamps, and larger file support etc. These
+ features will be added to ext4dev gradually.
+
+ To compile this file system support as a module, choose M here. The
+ module will be called ext4dev.
+
+ If unsure, say N.
+
+config EXT4DEV_FS_XATTR
+ bool "Ext4dev extended attributes"
+ depends on EXT4DEV_FS
+ default y
+ 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.
+
+ You need this for POSIX ACL support on ext4dev/ext4.
+
+config EXT4DEV_FS_POSIX_ACL
+ bool "Ext4dev POSIX Access Control Lists"
+ depends on EXT4DEV_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 EXT4DEV_FS_SECURITY
+ bool "Ext4dev Security Labels"
+ depends on EXT4DEV_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 ext4dev/ext4 filesystem.
+
+ If you are not using a security module that requires using
+ extended attributes for file security labels, say N.
+
config JBD
tristate
help
- This is a generic journaling layer for block devices. It is
+ This is a generic journalling layer for block devices. It is
currently used by the ext3 and OCFS2 file systems, but it could
also be used to add journal support to other file systems or block
devices such as RAID or LVM.
generated. To turn debugging off again, do
"echo 0 > /proc/sys/fs/jbd-debug".
+config JBD2
+ tristate
+ help
+ This is a generic journaling layer for block devices that support
+ both 32-bit and 64-bit block numbers. It is currently used by
+ the ext4dev/ext4 filesystem, but it could also be used to add
+ journal support to other file systems or block devices such
+ as RAID or LVM.
+
+ If you are using ext4dev/ext4, you need to say Y here. If you are not
+ using ext4dev/ext4 then you will probably want to say N.
+
+ To compile this device as a module, choose M here. The module will be
+ called jbd2. If you are compiling ext4dev/ext4 into the kernel,
+ you cannot compile this code as a module.
+
+config JBD2_DEBUG
+ bool "JBD2 (ext4dev/ext4) debugging support"
+ depends on JBD2
+ help
+ If you are using the ext4dev/ext4 journaled file system (or
+ potentially any other filesystem/device using JBD2), this option
+ allows you to enable debugging output while the system is running,
+ in order to help track down any problems you are having.
+ By default, the debugging output will be turned off.
+
+ If you select Y here, then you will be able to turn on debugging
+ with "echo N > /proc/sys/fs/jbd2-debug", where N is a number between
+ 1 and 5. The higher the number, the more debugging output is
+ generated. To turn debugging off again, do
+ "echo 0 > /proc/sys/fs/jbd2-debug".
+
config FS_MBCACHE
-# Meta block cache for Extended Attributes (ext2/ext3)
+# Meta block cache for Extended Attributes (ext2/ext3/ext4)
tristate
- depends on EXT2_FS_XATTR || EXT3_FS_XATTR
- default y if EXT2_FS=y || EXT3_FS=y
- default m if EXT2_FS=m || EXT3_FS=m
+ depends on EXT2_FS_XATTR || EXT3_FS_XATTR || EXT4DEV_FS_XATTR
+ default y if EXT2_FS=y || EXT3_FS=y || EXT4DEV_FS=y
+ default m if EXT2_FS=m || EXT3_FS=m || EXT4DEV_FS=m
config REISERFS_FS
tristate "Reiserfs support"
help
Stores not just filenames but the files themselves in a balanced
- tree. Uses journaling.
+ tree. Uses journalling.
Balanced trees are more efficient than traditional file system
architectural foundations.
default n
source "fs/xfs/Kconfig"
+source "fs/gfs2/Kconfig"
config OCFS2_FS
- tristate "OCFS2 file system support (EXPERIMENTAL)"
- depends on NET && SYSFS && EXPERIMENTAL
+ tristate "OCFS2 file system support"
+ depends on NET && SYSFS
select CONFIGFS_FS
select JBD
select CRC32
If you don't know whether you need it, then you don't need it:
answer N.
+endif
+
config INOTIFY
bool "Inotify file change notification support"
default y
If you want to develop a userspace FS, or if you want to use
a filesystem based on FUSE, answer Y or M.
-menu "Caches"
-
-config FSCACHE
- tristate "General filesystem cache manager"
- depends on EXPERIMENTAL
- help
- This option enables a generic filesystem caching manager that can be
- used by various network and other filesystems to cache data
- locally. Different sorts of caches can be plugged in, depending on the
- resources available.
-
- See Documentation/filesystems/caching/fscache.txt for more information.
-
-endmenu
+config GENERIC_ACL
+ bool
+ select FS_POSIX_ACL
+if BLOCK
menu "CD-ROM/DVD Filesystems"
config ISO9660_FS
including a debugging specifier in /etc/cachefilesd.conf.
endmenu
+endif
+if BLOCK
menu "DOS/FAT/NT Filesystems"
config FAT_FS
It is perfectly safe to say N here.
endmenu
+endif
menu "Pseudo filesystems"
help
Exports the dump image of crashed kernel in ELF format.
+config PROC_SYSCTL
+ bool "Sysctl support (/proc/sys)" if EMBEDDED
+ depends on PROC_FS
+ select SYSCTL
+ default y
+ ---help---
+ The sysctl interface provides a means of dynamically changing
+ certain kernel parameters and variables on the fly without requiring
+ a recompile of the kernel or reboot of the system. The primary
+ interface is through /proc/sys. If you say Y here a tree of
+ modifiable sysctl entries will be generated beneath the
+ /proc/sys directory. They are explained in the files
+ in <file:Documentation/sysctl/>. Note that enabling this
+ option will enlarge the kernel by at least 8 KB.
+
+ As it is generally a good thing, you should say Y here unless
+ building a kernel for install/rescue disks or your system is very
+ limited in memory.
+
config SYSFS
bool "sysfs file system support" if EMBEDDED
default y
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 persistantly naming devices.
+ 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
See <file:Documentation/filesystems/tmpfs.txt> for details.
+config TMPFS_POSIX_ACL
+ bool "Tmpfs POSIX Access Control Lists"
+ depends on TMPFS
+ select GENERIC_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 HUGETLBFS
bool "HugeTLB file system support"
- depends X86 || IA64 || PPC64 || SPARC64 || SUPERH || BROKEN
- depends !XEN
+ depends on X86 || IA64 || PPC64 || SPARC64 || SUPERH || BROKEN
+ depends on !XEN
help
hugetlbfs is a filesystem backing for HugeTLB pages, based on
ramfs. For architectures that support it, say Y here and read
config ADFS_FS
tristate "ADFS file system support (EXPERIMENTAL)"
- depends on 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
config AFFS_FS
tristate "Amiga FFS file system support (EXPERIMENTAL)"
- depends on 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
To compile this file system support as a module, choose M here: the
module will be called affs. If unsure, say N.
+config ECRYPT_FS
+ tristate "eCrypt filesystem layer support (EXPERIMENTAL)"
+ depends on EXPERIMENTAL && KEYS && CRYPTO
+ help
+ Encrypted filesystem that operates on the VFS layer. See
+ <file:Documentation/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.
+
config HFS_FS
tristate "Apple Macintosh file system support (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ depends on BLOCK && EXPERIMENTAL
select NLS
help
If you say Y here, you will be able to mount Macintosh-formatted
config HFSPLUS_FS
tristate "Apple Extended HFS file system support"
+ depends on BLOCK
select NLS
select NLS_UTF8
help
config BEFS_FS
tristate "BeOS file system (BeFS) support (read only) (EXPERIMENTAL)"
- depends on 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 indeces on selected
+ 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
- extremly large volumes and files.
+ 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.
config BFS_FS
tristate "BFS file system support (EXPERIMENTAL)"
- depends on 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
config EFS_FS
tristate "EFS file system support (read only) (EXPERIMENTAL)"
- depends on 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
config JFFS_FS
tristate "Journalling Flash File System (JFFS) support"
- depends on MTD
+ depends on MTD && BLOCK && BROKEN
help
- JFFS is the Journaling Flash File System developed by Axis
+ JFFS is the Journalling Flash File System developed by Axis
Communications in Sweden, aimed at providing a crash/powerdown-safe
file system for disk-less embedded devices. Further information is
available at (<http://developer.axis.com/software/jffs/>).
+ NOTE: This filesystem is deprecated and is scheduled for removal in
+ 2.6.21. See Documentation/feature-removal-schedule.txt
+
config JFFS_FS_VERBOSE
int "JFFS debugging verbosity (0 = quiet, 3 = noisy)"
depends on JFFS_FS
config JFFS2_CMODE_PRIORITY
bool "priority"
help
- Tries the compressors in a predefinied order and chooses the first
+ Tries the compressors in a predefined order and chooses the first
successful one.
config JFFS2_CMODE_SIZE
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
If unsure, say N.
config SQUASHFS
- tristate "SquashFS 3.1 - Squashed file system support"
- select ZLIB_INFLATE
- help
- Saying Y here includes support for SquashFS 3.1 (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 64K.
- SquashFS 3.1 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 filesystem 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.
+ tristate "SquashFS 3.0 - Squashed file system support"
+ select ZLIB_INFLATE
+ help
+ Saying Y here includes support for SquashFS 3.0 (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 64K.
+ SquashFS 3.0 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 filesystem 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 options for memory-constrained systems"
- depends on SQUASHFS
- default n
- help
- Saying Y here allows you to specify cache sizes and how Squashfs
- allocates memory. This is only intended for memory constrained
- systems.
+ bool "Additional options for memory-constrained systems"
+ depends on SQUASHFS
+ default n
+ help
+ Saying Y here allows you to specify cache sizes and how Squashfs
+ allocates memory. This is only intended for memory constrained
+ systems.
- If unsure, say N.
+ 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.
+ 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.
config SQUASHFS_VMALLOC
- bool "Use Vmalloc rather than Kmalloc" if SQUASHFS_EMBEDDED
- depends on SQUASHFS
- default n
- help
- By default SquashFS uses kmalloc to obtain fragment cache memory.
- Kmalloc memory is the standard kernel allocator, but it can fail
- on memory constrained systems. Because of the way Vmalloc works,
- Vmalloc can succeed when kmalloc fails. Specifying this option
- will make SquashFS always use Vmalloc to allocate the
- fragment cache memory.
-
- If unsure, say N.
+ bool "Use Vmalloc rather than Kmalloc" if SQUASHFS_EMBEDDED
+ depends on SQUASHFS
+ default n
+ help
+ By default SquashFS uses kmalloc to obtain fragment cache memory.
+ Kmalloc memory is the standard kernel allocator, but it can fail
+ on memory constrained systems. Because of the way Vmalloc works,
+ Vmalloc can succeed when kmalloc fails. Specifying this option
+ will make SquashFS always use Vmalloc to allocate the
+ fragment cache memory.
+
+ If unsure, say N.
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
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
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).
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
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
+ 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
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
If unsure, say N.
-config NFS_FSCACHE
- bool "Provide NFS client caching support (EXPERIMENTAL)"
- depends on NFS_FS && FSCACHE && EXPERIMENTAL
- help
- Say Y here if you want NFS data to be cached locally on disc through
- the general filesystem cache manager
-
config NFS_DIRECTIO
- bool "Allow direct I/O on NFS files (EXPERIMENTAL)"
- depends on NFS_FS && EXPERIMENTAL
+ bool "Allow direct I/O on NFS files"
+ depends on NFS_FS
help
This option enables applications to perform uncached I/O on files
in NFS file systems using the O_DIRECT open() flag. When O_DIRECT
select CRYPTO
select CRYPTO_MD5
select CRYPTO_DES
+ select CRYPTO_CBC
help
Provides for secure RPC calls by means of a gss-api
mechanism based on Kerberos V5. This is required for
select CRYPTO_MD5
select CRYPTO_DES
select CRYPTO_CAST5
+ select CRYPTO_CBC
help
Provides for secure RPC calls by means of a gss-api
mechanism based on the SPKM3 public-key mechanism.
config CIFS_UPCALL
bool "Kerberos/SPNEGO advanced session setup (EXPERIMENTAL)"
depends on CIFS_EXPERIMENTAL
- select CONNECTOR
+ depends on CONNECTOR
help
Enables an upcall mechanism for CIFS which will be used to contact
userspace helper utilities to provide SPNEGO packaged Kerberos
For most cases you probably want to say N.
config AFS_FS
-# for fs/nls/Config.in
- tristate "Andrew File System support (AFS) (Experimental)"
+ tristate "Andrew File System support (AFS) (EXPERIMENTAL)"
depends on INET && EXPERIMENTAL
select 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 intormation.
+ See <file:Documentation/filesystems/afs.txt> for more information.
If unsure, say N.
-config AFS_FSCACHE
- bool "Provide AFS client caching support"
- depends on AFS_FS && FSCACHE && EXPERIMENTAL
- help
- Say Y here if you want AFS data to be cached locally on through the
- generic filesystem cache manager
-
config RXRPC
tristate
endmenu
+if BLOCK
menu "Partition Types"
source "fs/partitions/Kconfig"
endmenu
+endif
source "fs/nls/Kconfig"
+source "fs/dlm/Kconfig"
endmenu