[GFS2] [-mm patch] fs/gfs2/: possible cleanups

This patch contains the following possible cleanups:
- make needlessly global code static
- #if 0 unused functions
- remove the following global function that was both unused and
  unimplemented:
  - super.c: gfs2_do_upgrade()

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index ffc1bef..0404783 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -669,10 +669,10 @@
  * Takes a dent from which to grab space as an argument. Returns the
  * newly created dent.
  */
-struct gfs2_dirent *gfs2_init_dirent(struct inode *inode,
-				     struct gfs2_dirent *dent,
-				     const struct qstr *name,
-				     struct buffer_head *bh)
+static struct gfs2_dirent *gfs2_init_dirent(struct inode *inode,
+					    struct gfs2_dirent *dent,
+					    const struct qstr *name,
+					    struct buffer_head *bh)
 {
 	struct gfs2_inode *ip = inode->u.generic_ip;
 	struct gfs2_dirent *ndent;