Kconfig
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.