[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/nolock/main.c b/fs/gfs2/locking/nolock/main.c
index ecd3737..97ffac5 100644
--- a/fs/gfs2/locking/nolock/main.c
+++ b/fs/gfs2/locking/nolock/main.c
@@ -21,7 +21,7 @@
 	unsigned int nl_lvb_size;
 };
 
-struct lm_lockops nolock_ops;
+static struct lm_lockops nolock_ops;
 
 static int nolock_mount(char *table_name, char *host_data,
 			lm_callback_t cb, lm_fsdata_t *fsdata,
@@ -208,7 +208,7 @@
 {
 }
 
-struct lm_lockops nolock_ops = {
+static struct lm_lockops nolock_ops = {
 	.lm_proto_name = "lock_nolock",
 	.lm_mount = nolock_mount,
 	.lm_others_may_mount = nolock_others_may_mount,
@@ -229,7 +229,7 @@
 	.lm_owner = THIS_MODULE,
 };
 
-int __init init_nolock(void)
+static int __init init_nolock(void)
 {
 	int error;
 
@@ -245,7 +245,7 @@
 	return 0;
 }
 
-void __exit exit_nolock(void)
+static void __exit exit_nolock(void)
 {
 	gfs_unregister_lockproto(&nolock_ops);
 }