diff -urN -X dontdiff linux-2.6.2.p/include/linux/nfs_mount.h linux-2.6.2.w/include/linux/nfs_mount.h
--- linux-2.6.2.p/include/linux/nfs_mount.h	2003-09-27 20:50:06.000000000 -0400
+++ linux-2.6.2.w/include/linux/nfs_mount.h	2004-02-04 09:08:10.306809336 -0500
@@ -20,7 +20,8 @@
  * mount-to-kernel version compatibility.  Some of these aren't used yet
  * but here they are anyway.
  */
-#define NFS_MOUNT_VERSION	5
+#define NFS_MOUNT_VERSION	6
+#define NFS_MAX_CONTEXT_LEN	256
 
 struct nfs_mount_data {
 	int		version;		/* 1 */
@@ -41,6 +42,7 @@
 	unsigned int	bsize;			/* 3 */
 	struct nfs3_fh	root;			/* 4 */
 	int		pseudoflavor;		/* 5 */
+	char		context[NFS_MAX_CONTEXT_LEN + 1];	/* 6 */
 };
 
 /* bits in the flags field */