ocfs2: update docs for new features

Update documentation listing ocfs2 features to reflect the current state of
the file system. Add missing descriptions for some mount options which ocfs2
supports.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt
index 8ccf0c1b58ed0df9430d1d67b6f62f4c64564218..ed55238023a9843f7781ac6cfe94d174ba772072 100644 (file)
--- a/Documentation/filesystems/ocfs2.txt
+++ b/Documentation/filesystems/ocfs2.txt
@@ -28,11 +28,7 @@ Manish Singh  <manish.singh@oracle.com>
 Caveats
 =======
 Features which OCFS2 does not support yet:
-       - sparse files
        - extended attributes
-       - shared writable mmap
-       - loopback is supported, but data written will not
-         be cluster coherent.
        - quotas
        - cluster aware flock
        - cluster aware lockf
@@ -57,3 +53,12 @@ nointr                       Do not allow signals to interrupt cluster
 atime_quantum=60(*)    OCFS2 will not update atime unless this number
                        of seconds has passed since the last update.
                        Set to zero to always update atime.
+data=ordered   (*)     All data are forced directly out to the main file
+                       system prior to its metadata being committed to the
+                       journal.
+data=writeback         Data ordering is not preserved, data may be written
+                       into the main file system after its metadata has been
+                       committed to the journal.
+preferred_slot=0(*)    During mount, try to use this filesystem slot first. If
+                       it is in use by another node, the first empty one found
+                       will be chosen. Invalid values will be ignored.

diff --git a/fs/Kconfig b/fs/Kconfig
index 58a0650293e19082ad2b4f951d17a35b78f9224a..f9eed6d790669e003b71680af254d05c3eab9eee 100644 (file)
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -441,9 +441,6 @@ config OCFS2_FS
 
          Note: Features which OCFS2 does not support yet:
                  - extended attributes
-                 - shared writeable mmap
-                 - loopback is supported, but data written will not
-                   be cluster coherent.
                  - quotas
                  - cluster aware flock
                  - Directory change notification (F_NOTIFY)