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config XFS_FS
        tristate "XFS filesystem support"
        depends on BLOCK
        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
        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 "XFS 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 "XFS 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.

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.