NFS: Convert v2 into a module

The module (nfs2.ko) will be created in the same directory as nfs.ko and
will be automatically loaded the first time you try to mount over NFS v2.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs2super.c b/fs/nfs/nfs2super.c
index a9fb69d..0a9782c 100644
--- a/fs/nfs/nfs2super.c
+++ b/fs/nfs/nfs2super.c
@@ -14,13 +14,18 @@
 	.sops     = &nfs_sops,
 };
 
-int __init init_nfs_v2(void)
+static int __init init_nfs_v2(void)
 {
 	register_nfs_version(&nfs_v2);
 	return 0;
 }
 
-void exit_nfs_v2(void)
+static void __exit exit_nfs_v2(void)
 {
 	unregister_nfs_version(&nfs_v2);
 }
+
+MODULE_LICENSE("GPL");
+
+module_init(init_nfs_v2);
+module_exit(exit_nfs_v2);