--- ./fs/nfs/dir.c.orig	2005-02-02 22:42:30.000000000 +0100
+++ ./fs/nfs/dir.c	2005-02-02 23:19:38.000000000 +0100
@@ -1176,6 +1176,7 @@
 	struct qstr    qsilly;
 	struct dentry *sdentry;
 	int            error = -EIO;
+	struct rpc_groups fsg = { 1, { dir->i_gid } };
 
 	dfprintk(VFS, "NFS: silly-rename(%s/%s, ct=%d)\n",
 		dentry->d_parent->d_name.name, dentry->d_name.name, 
@@ -1222,11 +1223,11 @@
 	if (dentry->d_inode) {
 		nfs_begin_data_update(dentry->d_inode);
 		error = NFS_PROTO(dir)->rename(dir, &dentry->d_name,
-				dir, &qsilly);
+				dir, &qsilly, &fsg);
 		nfs_end_data_update(dentry->d_inode);
 	} else
 		error = NFS_PROTO(dir)->rename(dir, &dentry->d_name,
-				dir, &qsilly);
+				dir, &qsilly, &fsg);
 	nfs_end_data_update(dir);
 	if (!error) {
 		nfs_renew_times(dentry);
@@ -1420,6 +1421,14 @@
 	struct inode *old_inode = old_dentry->d_inode;
 	struct inode *new_inode = new_dentry->d_inode;
 	struct dentry *dentry = NULL, *rehash = NULL;
+	struct rpc_groups fsg = {
+		.ngroups = 3,
+		.groups = {
+			old_dir->i_gid,
+			new_dir->i_gid,		/* old_dir != new_dir */
+			old_inode->i_gid	/* reparent a dir */
+		}
+	};
 	int error = -EBUSY;
 
 	/*
@@ -1494,7 +1503,7 @@
 	nfs_begin_data_update(new_dir);
 	nfs_begin_data_update(old_inode);
 	error = NFS_PROTO(old_dir)->rename(old_dir, &old_dentry->d_name,
-					   new_dir, &new_dentry->d_name);
+					   new_dir, &new_dentry->d_name, &fsg);
 	nfs_end_data_update(old_inode);
 	nfs_end_data_update(new_dir);
 	nfs_end_data_update(old_dir);
--- ./fs/nfs/proc.c.orig	2005-02-02 22:44:49.000000000 +0100
+++ ./fs/nfs/proc.c	2005-02-02 23:15:19.000000000 +0100
@@ -350,7 +350,8 @@
 
 static int
 nfs_proc_rename(struct inode *old_dir, struct qstr *old_name,
-		struct inode *new_dir, struct qstr *new_name)
+		struct inode *new_dir, struct qstr *new_name,
+		struct rpc_groups *fsg)
 {
 	struct nfs_renameargs	arg = {
 		.fromfh		= NFS_FH(old_dir),
@@ -363,7 +364,7 @@
 	int			status;
 
 	dprintk("NFS call  rename %s -> %s\n", old_name->name, new_name->name);
-	status = nfs2_rpc(NFS_CLIENT(old_dir), NFSPROC_RENAME, &arg, NULL);
+	status = nfs2_rpc(NFS_CLIENT(old_dir), NFSPROC_RENAME, &arg, NULL, fsg);
 	dprintk("NFS reply rename: %d\n", status);
 	return status;
 }
--- ./fs/nfs/nfs3proc.c.orig	2005-02-02 22:45:24.000000000 +0100
+++ ./fs/nfs/nfs3proc.c	2005-02-02 23:15:52.000000000 +0100
@@ -435,7 +435,8 @@
 
 static int
 nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
-		 struct inode *new_dir, struct qstr *new_name)
+		 struct inode *new_dir, struct qstr *new_name,
+		 struct rpc_groups *fsg)
 {
 	struct nfs_fattr	old_dir_attr, new_dir_attr;
 	struct nfs3_renameargs	arg = {
@@ -455,7 +456,7 @@
 	dprintk("NFS call  rename %s -> %s\n", old_name->name, new_name->name);
 	old_dir_attr.valid = 0;
 	new_dir_attr.valid = 0;
-	status = nfs3_rpc(NFS_CLIENT(old_dir), NFS3PROC_RENAME, &arg, &res);
+	status = nfs3_rpc(NFS_CLIENT(old_dir), NFS3PROC_RENAME, &arg, &res, fsg);
 	nfs_refresh_inode(old_dir, &old_dir_attr);
 	nfs_refresh_inode(new_dir, &new_dir_attr);
 	dprintk("NFS reply rename: %d\n", status);
--- ./fs/nfs/nfs4proc.c.orig	2005-02-02 22:45:51.000000000 +0100
+++ ./fs/nfs/nfs4proc.c	2005-02-02 23:16:25.000000000 +0100
@@ -1455,7 +1455,8 @@
 }
 
 static int nfs4_proc_rename(struct inode *old_dir, struct qstr *old_name,
-		struct inode *new_dir, struct qstr *new_name)
+		struct inode *new_dir, struct qstr *new_name,
+		struct rpc_groups *fsg)
 {
 	struct nfs4_exception exception = { };
 	int err;
--- ./include/linux/nfs_xdr.h.orig	2005-02-02 22:47:26.000000000 +0100
+++ ./include/linux/nfs_xdr.h	2005-02-02 23:16:51.000000000 +0100
@@ -688,7 +688,7 @@
 			    struct dentry *, struct qstr *);
 	int	(*unlink_done) (struct dentry *, struct rpc_task *);
 	int	(*rename)  (struct inode *, struct qstr *,
-			    struct inode *, struct qstr *);
+			    struct inode *, struct qstr *, struct rpc_groups *);
 	int	(*link)    (struct inode *, struct inode *, struct qstr *,
 			    struct rpc_groups *);
 	int	(*symlink) (struct inode *, struct qstr *, struct qstr *,