nfsd: make local functions static

This also fixes a number of sparse warnings.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: J. Bruce Fields <bfields@fieldses.org>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index a2ea14f..a8e4e91 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2482,7 +2482,7 @@
 	return NULL;
 }
 
-int share_access_to_flags(u32 share_access)
+static int share_access_to_flags(u32 share_access)
 {
 	share_access &= ~NFS4_SHARE_WANT_MASK;
 
@@ -2902,7 +2902,7 @@
 	return status;
 }
 
-struct lock_manager nfsd4_manager = {
+static struct lock_manager nfsd4_manager = {
 };
 
 static void