diff options
Diffstat (limited to 'fs/Kconfig')
| -rw-r--r-- | fs/Kconfig | 272 |
1 files changed, 5 insertions, 267 deletions
diff --git a/fs/Kconfig b/fs/Kconfig index 4eca61c201f0..e282002b94d2 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -6,61 +6,9 @@ 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. - - If unsure, say Y. - -config EXT2_FS_XATTR - bool "Ext2 extended attributes" - depends on EXT2_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 EXT2_FS_POSIX_ACL - bool "Ext2 POSIX Access Control Lists" - depends on EXT2_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 EXT2_FS_SECURITY - bool "Ext2 Security Labels" - depends on EXT2_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 ext2 filesystem. - - If you are not using a security module that requires using - extended attributes for file security labels, say N. - -config EXT2_FS_XIP - bool "Ext2 execute in place support" - depends on EXT2_FS && MMU - help - Execute in place can be used on memory-backed block devices. If you - enable this option, you can select to mount block devices which are - capable of this feature without using the page cache. - - If you do not use a block device that is capable of using this, - or if unsure, say N. +source "fs/ext2/Kconfig" +source "fs/ext3/Kconfig" +source "fs/ext4/Kconfig" config FS_XIP # execute in place @@ -68,218 +16,8 @@ config FS_XIP depends on EXT2_FS_XIP default y -config EXT3_FS - tristate "Ext3 journalling file system support" - select JBD - help - 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 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 - is consistent without the need for a lengthy check. - - Other than adding the journal to the file system, the on-disk format - of ext3 is identical to ext2. It is possible to freely switch - between using the ext3 driver and the ext2 driver, as long as the - file system has been cleanly unmounted, or e2fsck is run on the file - system. - - To add a journal on an existing ext2 file system or change the - behavior of ext3 file systems, you can use the tune2fs utility ("man - tune2fs"). To modify attributes of files and directories on ext3 - file systems, use chattr ("man chattr"). You need to be using - e2fsprogs version 1.20 or later in order to create ext3 journals - (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. - -config EXT3_FS_XATTR - bool "Ext3 extended attributes" - depends on EXT3_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 ext3. - -config EXT3_FS_POSIX_ACL - bool "Ext3 POSIX Access Control Lists" - depends on EXT3_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 EXT3_FS_SECURITY - bool "Ext3 Security Labels" - depends on EXT3_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 ext3 filesystem. - - If you are not using a security module that requires using - extended attributes for file security labels, say N. - -config EXT4_FS - tristate "The Extended 4 (ext4) filesystem" - select JBD2 - select CRC16 - help - This is the next generation of the ext3 filesystem. - - Unlike the change from ext2 filesystem to ext3 filesystem, - the on-disk format of ext4 is not forwards compatible with - ext3; it is based on extent maps and it supports 48-bit - physical block numbers. The ext4 filesystem also supports delayed - allocation, persistent preallocation, high resolution time stamps, - and a number of other features to improve performance and speed - up fsck time. For more information, please see the web pages at - http://ext4.wiki.kernel.org. - - The ext4 filesystem will support mounting an ext3 - filesystem; while there will be some performance gains from - the delayed allocation and inode table readahead, the best - performance gains will require enabling ext4 features in the - filesystem, or formating a new filesystem as an ext4 - filesystem initially. - - To compile this file system support as a module, choose M here. The - module will be called ext4. - - If unsure, say N. - -config EXT4DEV_COMPAT - bool "Enable ext4dev compatibility" - depends on EXT4_FS - help - Starting with 2.6.28, the name of the ext4 filesystem was - renamed from ext4dev to ext4. Unfortunately there are some - legacy userspace programs (such as klibc's fstype) have - "ext4dev" hardcoded. - - To enable backwards compatibility so that systems that are - still expecting to mount ext4 filesystems using ext4dev, - chose Y here. This feature will go away by 2.6.31, so - please arrange to get your userspace programs fixed! - -config EXT4_FS_XATTR - bool "Ext4 extended attributes" - depends on EXT4_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 ext4. - -config EXT4_FS_POSIX_ACL - bool "Ext4 POSIX Access Control Lists" - depends on EXT4_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 EXT4_FS_SECURITY - bool "Ext4 Security Labels" - depends on EXT4_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 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 journalling layer for block devices. It is - currently used by the ext3 file system, 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 the ext3 file system, you need to say Y here. - If you are not using ext3 then you will probably want to say N. - - To compile this device as a module, choose M here: the module will be - called jbd. If you are compiling ext3 into the kernel, you - cannot compile this code as a module. - -config JBD_DEBUG - bool "JBD (ext3) debugging support" - depends on JBD && DEBUG_FS - help - If you are using the ext3 journaled file system (or potentially any - other file system/device using JBD), 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 > /sys/kernel/debug/jbd/jbd-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 > /sys/kernel/debug/jbd/jbd-debug". - -config JBD2 - tristate - select CRC32 - 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 ext4 and OCFS2 filesystems, 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 ext4 or OCFS2, you need to say Y here. - If you are not using ext4 or OCFS2 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 ext4 or OCFS2 into the kernel, - you cannot compile this code as a module. - -config JBD2_DEBUG - bool "JBD2 (ext4) debugging support" - depends on JBD2 && DEBUG_FS - help - If you are using the 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 > /sys/kernel/debug/jbd2/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 > /sys/kernel/debug/jbd2/jbd2-debug". +source "fs/jbd/Kconfig" +source "fs/jbd2/Kconfig" config FS_MBCACHE # Meta block cache for Extended Attributes (ext2/ext3/ext4) |