Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

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

diff --git a/fs/xfs/Kconfig b/fs/xfs/Kconfig
index bac27d6..26b364c 100644 (file)
--- a/fs/xfs/Kconfig
+++ b/fs/xfs/Kconfig
@@ -1,6 +1,5 @@
 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
@@ -18,11 +17,6 @@ config XFS_FS
          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
-       depends on XFS_FS && EXPORTFS
-       default y
-
 config XFS_QUOTA
        bool "XFS Quota support"
        depends on XFS_FS
@@ -65,18 +59,19 @@ config XFS_POSIX_ACL
          If you don't know what Access Control Lists are, say N.
 
 config XFS_RT
-       bool "XFS Realtime support (EXPERIMENTAL)"
-       depends on XFS_FS && EXPERIMENTAL
+       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. 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.
+         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.
 
-         This feature is unsupported at this time, is not yet fully
-         functional, and may cause serious problems.
+         See the xfs man page in section 5 for additional information.
 
          If unsure, say N.