ocfs2 syncs the wrong range...

commit 1b56e98990bcdbb20b9fab163654b9315bf158e8 upstream.

Change-Id: I868e5b1ecd4e462fc8d01c1a9f92c5b11c48c636
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>