NFS: Convert v3 into a module

This patch exports symbols and moves over the final structures needed by
the v3 module.  In addition, I also switch over to using IS_ENABLED() to
check if CONFIG_NFS_V3 or CONFIG_NFS_V3_MODULE are set.

The module (nfs3.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 v3.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 0 insertions, 14 deletions

diff --git a/fs/nfs/nfs.h b/fs/nfs/nfs.h
index f5d1cf5..3e1b84b 100644
--- a/fs/nfs/nfs.h
+++ b/fs/nfs/nfs.h
@@ -24,20 +24,6 @@ struct nfs_subversion {
 int nfs_register_versions(void);
 void nfs_unregister_versions(void);
 
-#ifdef CONFIG_NFS_V3
-int init_nfs_v3(void);
-void exit_nfs_v3(void);
-#else /* CONFIG_NFS_V3 */
-static inline int __init init_nfs_v3(void)
-{
-	return 0;
-}
-
-static inline void exit_nfs_v3(void)
-{
-}
-#endif /* CONFIG_NFS_V3 */
-
 #ifdef CONFIG_NFS_V4
 int init_nfs_v4(void);
 void exit_nfs_v4(void);