--- ./fs/nfs/dir.c.orig	2005-06-12 22:47:06.000000000 +0200
+++ ./fs/nfs/dir.c	2005-06-12 22:52:13.000000000 +0200
@@ -1101,13 +1101,14 @@
 static int nfs_rmdir(struct inode *dir, struct dentry *dentry)
 {
 	int error;
+	struct rpc_groups fsg = { 1, { dir->i_gid } };
 
 	dfprintk(VFS, "NFS: rmdir(%s/%ld, %s\n", dir->i_sb->s_id,
 		dir->i_ino, dentry->d_name.name);
 
 	lock_kernel();
 	nfs_begin_data_update(dir);
-	error = NFS_PROTO(dir)->rmdir(dir, &dentry->d_name);
+	error = NFS_PROTO(dir)->rmdir(dir, &dentry->d_name, &fsg);
 	/* Ensure the VFS deletes this inode */
 	if (error == 0 && dentry->d_inode != NULL)
 		dentry->d_inode->i_nlink = 0;
@@ -1202,6 +1203,7 @@
 {
 	struct inode *dir = dentry->d_parent->d_inode;
 	struct inode *inode = dentry->d_inode;
+	struct rpc_groups fsg = { 1, { dir->i_gid } };
 	int error = -EBUSY;
 		
 	dfprintk(VFS, "NFS: safe_remove(%s/%s)\n",
@@ -1216,13 +1218,13 @@
 	nfs_begin_data_update(dir);
 	if (inode != NULL) {
 		nfs_begin_data_update(inode);
-		error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);
+		error = NFS_PROTO(dir)->remove(dir, &dentry->d_name, &fsg);
 		/* The VFS may want to delete this inode */
 		if (error == 0)
 			inode->i_nlink--;
 		nfs_end_data_update(inode);
 	} else
-		error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);
+		error = NFS_PROTO(dir)->remove(dir, &dentry->d_name, &fsg);
 	nfs_end_data_update(dir);
 out:
 	return error;
--- ./fs/nfs/nfs3proc.c.orig	2005-06-12 22:47:06.000000000 +0200
+++ ./fs/nfs/nfs3proc.c	2005-06-12 22:52:13.000000000 +0200
@@ -361,7 +361,7 @@
 }
 
 static int
-nfs3_proc_remove(struct inode *dir, struct qstr *name)
+nfs3_proc_remove(struct inode *dir, struct qstr *name, struct rpc_groups *fsg)
 {
 	struct nfs_fattr	dir_attr;
 	struct nfs3_diropargs	arg = {
@@ -373,7 +373,7 @@
 
 	dprintk("NFS call  remove %s\n", name->name);
 	dir_attr.valid = 0;
-	status = nfs3_rpc(NFS_CLIENT(dir), NFS3PROC_REMOVE, &arg, &dir_attr);
+	status = nfs3_rpc(NFS_CLIENT(dir), NFS3PROC_REMOVE, &arg, &dir_attr, fsg);
 	nfs_refresh_inode(dir, &dir_attr);
 	dprintk("NFS reply remove: %d\n", status);
 	return status;
@@ -535,7 +535,7 @@
 }
 
 static int
-nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
+nfs3_proc_rmdir(struct inode *dir, struct qstr *name, struct rpc_groups *fsg)
 {
 	struct nfs_fattr	dir_attr;
 	struct nfs3_diropargs	arg = {
@@ -547,7 +547,7 @@
 
 	dprintk("NFS call  rmdir %s\n", name->name);
 	dir_attr.valid = 0;
-	status = nfs3_rpc(NFS_CLIENT(dir), NFS3PROC_RMDIR, &arg, &dir_attr);
+	status = nfs3_rpc(NFS_CLIENT(dir), NFS3PROC_RMDIR, &arg, &dir_attr, fsg);
 	nfs_refresh_inode(dir, &dir_attr);
 	dprintk("NFS reply rmdir: %d\n", status);
 	return status;
--- ./fs/nfs/nfs4proc.c.orig	2005-06-12 22:47:06.000000000 +0200
+++ ./fs/nfs/nfs4proc.c	2005-06-12 22:52:13.000000000 +0200
@@ -1489,7 +1489,8 @@
 	return status;
 }
 
-static int nfs4_proc_remove(struct inode *dir, struct qstr *name)
+static int nfs4_proc_remove(struct inode *dir, struct qstr *name,
+		struct rpc_groups *fsg)
 {
 	struct nfs4_exception exception = { };
 	int err;
--- ./fs/nfs/proc.c.orig	2005-06-12 22:47:06.000000000 +0200
+++ ./fs/nfs/proc.c	2005-06-12 22:52:13.000000000 +0200
@@ -304,7 +304,7 @@
 }
 
 static int
-nfs_proc_remove(struct inode *dir, struct qstr *name)
+nfs_proc_remove(struct inode *dir, struct qstr *name, struct rpc_groups *fsg)
 {
 	struct nfs_diropargs	arg = {
 		.fh		= NFS_FH(dir),
@@ -314,7 +314,7 @@
 	int			status;
 
 	dprintk("NFS call  remove %s\n", name->name);
-	status = nfs2_rpc(NFS_CLIENT(dir), NFSPROC_REMOVE, &arg, NULL);
+	status = nfs2_rpc(NFS_CLIENT(dir), NFSPROC_REMOVE, &arg, NULL, fsg);
 
 	dprintk("NFS reply remove: %d\n", status);
 	return status;
@@ -437,7 +437,7 @@
 }
 
 static int
-nfs_proc_rmdir(struct inode *dir, struct qstr *name)
+nfs_proc_rmdir(struct inode *dir, struct qstr *name, struct rpc_groups *fsg)
 {
 	struct nfs_diropargs	arg = {
 		.fh		= NFS_FH(dir),
@@ -447,7 +447,7 @@
 	int			status;
 
 	dprintk("NFS call  rmdir %s\n", name->name);
-	status = nfs2_rpc(NFS_CLIENT(dir), NFSPROC_RMDIR, &arg, NULL);
+	status = nfs2_rpc(NFS_CLIENT(dir), NFSPROC_RMDIR, &arg, NULL, fsg);
 	dprintk("NFS reply rmdir: %d\n", status);
 	return status;
 }
--- ./fs/nfs/unlink.c.orig	2005-06-12 16:05:02.000000000 +0200
+++ ./fs/nfs/unlink.c	2005-06-12 22:58:58.000000000 +0200
@@ -167,7 +167,12 @@
 		goto out;
 	memset(data, 0, sizeof(*data));
 
-	data->cred = rpcauth_lookupcred(clnt->cl_auth, NULL, 0);
+	if (NFS_PROTO(dir->d_inode)->version > 3)
+		data->cred = rpcauth_lookupcred(clnt->cl_auth, NULL, 0);
+	else {
+		struct rpc_groups fsg = { 1, { dir->d_inode->i_gid } };
+		data->cred = rpcauth_lookupcred(clnt->cl_auth, &fsg, 0);
+	}
 	if (IS_ERR(data->cred)) {
 		status = PTR_ERR(data->cred);
 		goto out_free;
--- ./include/linux/nfs_xdr.h.orig	2005-06-12 22:47:06.000000000 +0200
+++ ./include/linux/nfs_xdr.h	2005-06-12 22:59:49.000000000 +0200
@@ -684,7 +684,7 @@
 	int	(*commit)  (struct nfs_write_data *);
 	int	(*create)  (struct inode *, struct dentry *,
 			    struct iattr *, int, struct rpc_groups *);
-	int	(*remove)  (struct inode *, struct qstr *);
+	int	(*remove)  (struct inode *, struct qstr *, struct rpc_groups *);
 	int	(*unlink_setup)  (struct rpc_message *,
 			    struct dentry *, struct qstr *);
 	int	(*unlink_done) (struct dentry *, struct rpc_task *);
@@ -697,7 +697,7 @@
 			    struct nfs_fattr *);
 	int	(*mkdir)   (struct inode *, struct dentry *, struct iattr *,
 			    struct rpc_groups *);
-	int	(*rmdir)   (struct inode *, struct qstr *);
+	int	(*rmdir)   (struct inode *, struct qstr *, struct rpc_groups *);
 	int	(*readdir) (struct dentry *, struct rpc_cred *,
 			    u64, struct page *, unsigned int, int);
 	int	(*mknod)   (struct inode *, struct dentry *, struct iattr *,