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 8ccf0c1..ed55238 100644
--- a/Documentation/filesystems/ocfs2.txt
+++ b/Documentation/filesystems/ocfs2.txt
@@ -28,11 +28,7 @@
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 @@
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.