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@@ -6,61 +6,9 @@ menu "File systems"
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if BLOCK
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-config EXT2_FS
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- tristate "Second extended fs support"
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- help
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- Ext2 is a standard Linux file system for hard disks.
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-
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- To compile this file system support as a module, choose M here: the
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- module will be called ext2.
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-
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- If unsure, say Y.
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-
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-config EXT2_FS_XATTR
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- bool "Ext2 extended attributes"
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- depends on EXT2_FS
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- help
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- Extended attributes are name:value pairs associated with inodes by
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- the kernel or by users (see the attr(5) manual page, or visit
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- <http://acl.bestbits.at/> for details).
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-
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- If unsure, say N.
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-
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-config EXT2_FS_POSIX_ACL
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- bool "Ext2 POSIX Access Control Lists"
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- depends on EXT2_FS_XATTR
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- select FS_POSIX_ACL
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- help
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- Posix Access Control Lists (ACLs) support permissions for users and
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- groups beyond the owner/group/world scheme.
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-
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- To learn more about Access Control Lists, visit the Posix ACLs for
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- Linux website <http://acl.bestbits.at/>.
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-
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- If you don't know what Access Control Lists are, say N
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-
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-config EXT2_FS_SECURITY
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- bool "Ext2 Security Labels"
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- depends on EXT2_FS_XATTR
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- help
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- Security labels support alternative access control models
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- implemented by security modules like SELinux. This option
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- enables an extended attribute handler for file security
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- labels in the ext2 filesystem.
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-
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- If you are not using a security module that requires using
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- extended attributes for file security labels, say N.
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-
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-config EXT2_FS_XIP
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- bool "Ext2 execute in place support"
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- depends on EXT2_FS && MMU
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- help
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- Execute in place can be used on memory-backed block devices. If you
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- enable this option, you can select to mount block devices which are
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- capable of this feature without using the page cache.
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-
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- If you do not use a block device that is capable of using this,
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- or if unsure, say N.
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+source "fs/ext2/Kconfig"
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+source "fs/ext3/Kconfig"
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+source "fs/ext4/Kconfig"
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config FS_XIP
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# execute in place
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@@ -68,218 +16,8 @@ config FS_XIP
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depends on EXT2_FS_XIP
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default y
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-config EXT3_FS
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- tristate "Ext3 journalling file system support"
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- select JBD
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- help
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- This is the journalling version of the Second extended file system
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- (often called ext3), the de facto standard Linux file system
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- (method to organize files on a storage device) for hard disks.
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-
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- The journalling code included in this driver means you do not have
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- to run e2fsck (file system checker) on your file systems after a
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- crash. The journal keeps track of any changes that were being made
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- at the time the system crashed, and can ensure that your file system
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- is consistent without the need for a lengthy check.
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-
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- Other than adding the journal to the file system, the on-disk format
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- of ext3 is identical to ext2. It is possible to freely switch
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- between using the ext3 driver and the ext2 driver, as long as the
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- file system has been cleanly unmounted, or e2fsck is run on the file
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- system.
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-
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- To add a journal on an existing ext2 file system or change the
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- behavior of ext3 file systems, you can use the tune2fs utility ("man
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- tune2fs"). To modify attributes of files and directories on ext3
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- file systems, use chattr ("man chattr"). You need to be using
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- e2fsprogs version 1.20 or later in order to create ext3 journals
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- (available at <http://sourceforge.net/projects/e2fsprogs/>).
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-
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- To compile this file system support as a module, choose M here: the
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- module will be called ext3.
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-
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-config EXT3_FS_XATTR
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- bool "Ext3 extended attributes"
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- depends on EXT3_FS
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- default y
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- help
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- Extended attributes are name:value pairs associated with inodes by
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- the kernel or by users (see the attr(5) manual page, or visit
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- <http://acl.bestbits.at/> for details).
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-
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- If unsure, say N.
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-
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- You need this for POSIX ACL support on ext3.
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-
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-config EXT3_FS_POSIX_ACL
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- bool "Ext3 POSIX Access Control Lists"
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- depends on EXT3_FS_XATTR
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- select FS_POSIX_ACL
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- help
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- Posix Access Control Lists (ACLs) support permissions for users and
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- groups beyond the owner/group/world scheme.
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-
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- To learn more about Access Control Lists, visit the Posix ACLs for
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- Linux website <http://acl.bestbits.at/>.
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-
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- If you don't know what Access Control Lists are, say N
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-
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-config EXT3_FS_SECURITY
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- bool "Ext3 Security Labels"
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- depends on EXT3_FS_XATTR
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- help
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- Security labels support alternative access control models
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- implemented by security modules like SELinux. This option
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- enables an extended attribute handler for file security
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- labels in the ext3 filesystem.
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-
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- If you are not using a security module that requires using
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- extended attributes for file security labels, say N.
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-
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-config EXT4_FS
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- tristate "The Extended 4 (ext4) filesystem"
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- select JBD2
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- select CRC16
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- help
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- This is the next generation of the ext3 filesystem.
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-
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- Unlike the change from ext2 filesystem to ext3 filesystem,
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- the on-disk format of ext4 is not forwards compatible with
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- ext3; it is based on extent maps and it supports 48-bit
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- physical block numbers. The ext4 filesystem also supports delayed
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- allocation, persistent preallocation, high resolution time stamps,
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- and a number of other features to improve performance and speed
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- up fsck time. For more information, please see the web pages at
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- http://ext4.wiki.kernel.org.
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-
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- The ext4 filesystem will support mounting an ext3
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- filesystem; while there will be some performance gains from
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- the delayed allocation and inode table readahead, the best
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- performance gains will require enabling ext4 features in the
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- filesystem, or formating a new filesystem as an ext4
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- filesystem initially.
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-
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- To compile this file system support as a module, choose M here. The
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- module will be called ext4.
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-
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- If unsure, say N.
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-
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-config EXT4DEV_COMPAT
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- bool "Enable ext4dev compatibility"
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- depends on EXT4_FS
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- help
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- Starting with 2.6.28, the name of the ext4 filesystem was
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- renamed from ext4dev to ext4. Unfortunately there are some
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- legacy userspace programs (such as klibc's fstype) have
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- "ext4dev" hardcoded.
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-
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- To enable backwards compatibility so that systems that are
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- still expecting to mount ext4 filesystems using ext4dev,
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- chose Y here. This feature will go away by 2.6.31, so
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- please arrange to get your userspace programs fixed!
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-
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-config EXT4_FS_XATTR
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- bool "Ext4 extended attributes"
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- depends on EXT4_FS
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- default y
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- help
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- Extended attributes are name:value pairs associated with inodes by
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- the kernel or by users (see the attr(5) manual page, or visit
|
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- <http://acl.bestbits.at/> for details).
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-
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- If unsure, say N.
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-
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- You need this for POSIX ACL support on ext4.
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-
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-config EXT4_FS_POSIX_ACL
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- bool "Ext4 POSIX Access Control Lists"
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- depends on EXT4_FS_XATTR
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- select FS_POSIX_ACL
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- help
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- POSIX Access Control Lists (ACLs) support permissions for users and
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- groups beyond the owner/group/world scheme.
|
|
|
-
|
|
|
- To learn more about Access Control Lists, visit the POSIX ACLs for
|
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- Linux website <http://acl.bestbits.at/>.
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-
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- If you don't know what Access Control Lists are, say N
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-
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-config EXT4_FS_SECURITY
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- bool "Ext4 Security Labels"
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- depends on EXT4_FS_XATTR
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- help
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- Security labels support alternative access control models
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- implemented by security modules like SELinux. This option
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|
- enables an extended attribute handler for file security
|
|
|
- labels in the ext4 filesystem.
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-
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- If you are not using a security module that requires using
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- extended attributes for file security labels, say N.
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-
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-config JBD
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- tristate
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- help
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- This is a generic journalling layer for block devices. It is
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- currently used by the ext3 file system, but it could also be
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- used to add journal support to other file systems or block
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- devices such as RAID or LVM.
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-
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- If you are using the ext3 file system, you need to say Y here.
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- If you are not using ext3 then you will probably want to say N.
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-
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- To compile this device as a module, choose M here: the module will be
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- called jbd. If you are compiling ext3 into the kernel, you
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- cannot compile this code as a module.
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-
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-config JBD_DEBUG
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- bool "JBD (ext3) debugging support"
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- depends on JBD && DEBUG_FS
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- help
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- If you are using the ext3 journaled file system (or potentially any
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- other file system/device using JBD), this option allows you to
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- enable debugging output while the system is running, in order to
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- help track down any problems you are having. By default the
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- debugging output will be turned off.
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-
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- If you select Y here, then you will be able to turn on debugging
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- with "echo N > /sys/kernel/debug/jbd/jbd-debug", where N is a
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- number between 1 and 5, the higher the number, the more debugging
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- output is generated. To turn debugging off again, do
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- "echo 0 > /sys/kernel/debug/jbd/jbd-debug".
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-
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-config JBD2
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- tristate
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- select CRC32
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- help
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- This is a generic journaling layer for block devices that support
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- both 32-bit and 64-bit block numbers. It is currently used by
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- the ext4 and OCFS2 filesystems, but it could also be used to add
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- journal support to other file systems or block devices such
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- as RAID or LVM.
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-
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- If you are using ext4 or OCFS2, you need to say Y here.
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- If you are not using ext4 or OCFS2 then you will
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- probably want to say N.
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-
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- To compile this device as a module, choose M here. The module will be
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- called jbd2. If you are compiling ext4 or OCFS2 into the kernel,
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- you cannot compile this code as a module.
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-
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-config JBD2_DEBUG
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- bool "JBD2 (ext4) debugging support"
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- depends on JBD2 && DEBUG_FS
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- help
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- If you are using the ext4 journaled file system (or
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- potentially any other filesystem/device using JBD2), this option
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- allows you to enable debugging output while the system is running,
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- in order to help track down any problems you are having.
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- By default, the debugging output will be turned off.
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-
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- If you select Y here, then you will be able to turn on debugging
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- with "echo N > /sys/kernel/debug/jbd2/jbd2-debug", where N is a
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- number between 1 and 5. The higher the number, the more debugging
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- output is generated. To turn debugging off again, do
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- "echo 0 > /sys/kernel/debug/jbd2/jbd2-debug".
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+source "fs/jbd/Kconfig"
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+source "fs/jbd2/Kconfig"
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config FS_MBCACHE
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# Meta block cache for Extended Attributes (ext2/ext3/ext4)
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Alexey Dobriyan