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-config XFS_FS
- tristate "XFS filesystem support"
- depends on BLOCK
- select EXPORTFS
- 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_QUOTA
- bool "XFS Quota support"
- depends on XFS_FS
- select QUOTACTL
- 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_POSIX_ACL
- bool "XFS POSIX ACL support"
- depends on XFS_FS
- 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 XFS_RT
- bool "XFS Realtime subvolume support"
- depends on XFS_FS
- 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. It was
- originally designed to provide deterministic data rates suitable
- for media streaming applications, but is also useful as a generic
- mechanism for ensuring data and metadata/log I/Os are completely
- separated. Regular file I/Os are isolated to a separate device
- from all other requests, and this can be done quite transparently
- to applications via the inherit-realtime directory inode flag.
-
- See the xfs man page in section 5 for additional information.
-
- If unsure, say N.
-
-config XFS_DEBUG
- bool "XFS Debugging support (EXPERIMENTAL)"
- depends on XFS_FS && EXPERIMENTAL
- help
- Say Y here to get an XFS build with many debugging features,
- including ASSERT checks, function wrappers around macros,
- and extra sanity-checking functions in various code paths.
-
- Note that the resulting code will be HUGE and SLOW, and probably
- not useful unless you are debugging a particular problem.
-
- Say N unless you are an XFS developer, or you play one on TV.