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 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 . 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.