[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/locking/dlm/main.c b/fs/gfs2/locking/dlm/main.c
index 3c9adf1..89728c9 100644
--- a/fs/gfs2/locking/dlm/main.c
+++ b/fs/gfs2/locking/dlm/main.c
@@ -16,7 +16,7 @@
 
 extern struct lm_lockops gdlm_ops;
 
-int __init init_lock_dlm(void)
+static int __init init_lock_dlm(void)
 {
 	int error;
 
@@ -48,7 +48,7 @@
 	return 0;
 }
 
-void __exit exit_lock_dlm(void)
+static void __exit exit_lock_dlm(void)
 {
 	gdlm_plock_exit();
 	gdlm_sysfs_exit();