This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / fs / xfs / Kconfig

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+menu "XFS support"
+
+config XFS_FS
+       tristate "XFS filesystem support"
+       select EXPORTFS if NFSD!=n
+       help
+         XFS is a high performance journaling filesystem which originated
+         on the SGI IRIX platform.  It is completely multi-threaded, can
+         support large files and large filesystems, extended attributes,
+         variable block sizes, is extent based, and makes extensive use of
+         Btrees (directories, extents, free space) to aid both performance
+         and scalability.
+
+         Refer to the documentation at <http://oss.sgi.com/projects/xfs/>
+         for complete details.  This implementation is on-disk compatible
+         with the IRIX version of XFS.
+
+         To compile this file system support as a module, choose M here: the
+         module will be called xfs.  Be aware, however, that if the file
+         system of your root partition is compiled as a module, you'll need
+         to use an initial ramdisk (initrd) to boot.
+
+config XFS_EXPORT
+       bool
+       default y if XFS_FS && EXPORTFS
+
+config XFS_RT
+       bool "Realtime support (EXPERIMENTAL)"
+       depends on XFS_FS && EXPERIMENTAL
+       help
+         If you say Y here you will be able to mount and use XFS filesystems
+         which contain a realtime subvolume. The realtime subvolume is a
+         separate area of disk space where only file data is stored. The
+         realtime subvolume is designed to provide very deterministic
+         data rates suitable for media streaming applications.
+
+         See the xfs man page in section 5 for a bit more information.
+
+         This feature is unsupported at this time, is not yet fully
+         functional, and may cause serious problems.
+
+         If unsure, say N.
+
+config XFS_QUOTA
+       bool "Quota support"
+       depends on XFS_FS
+       help
+         If you say Y here, you will be able to set limits for disk usage on
+         a per user and/or a per group basis under XFS.  XFS considers quota
+         information as filesystem metadata and uses journaling to provide a
+         higher level guarantee of consistency.  The on-disk data format for
+         quota is also compatible with the IRIX version of XFS, allowing a
+         filesystem to be migrated between Linux and IRIX without any need
+         for conversion.
+
+         If unsure, say N.  More comprehensive documentation can be found in
+         README.quota in the xfsprogs package.  XFS quota can be used either
+         with or without the generic quota support enabled (CONFIG_QUOTA) -
+         they are completely independent subsystems.
+
+config XFS_SECURITY
+       bool "Security Label support"
+       depends on XFS_FS
+       help
+         Security labels support alternative access control models
+         implemented by security modules like SELinux.  This option
+         enables an extended attribute namespace for inode security
+         labels in the XFS filesystem.
+
+         If you are not using a security module that requires using
+         extended attributes for inode security labels, say N.
+
+config XFS_POSIX_ACL
+       bool "POSIX ACL support"
+       depends on XFS_FS
+       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.
+
+endmenu