Patch from Steve Dickson @ redhat.
Fixes the "fh_verify: no root_squashed access" storms on NFS servers.

--- ./fs/nfsd/nfsfh.c	Sat Dec  6 09:24:02 2003
+++ ./fs/nfsd/nfsfh.c	Wed Nov  8 05:52:48 2006
@@ -710,7 +710,7 @@
 			tdentry = parent;
 		}
 		if (exp->ex_dentry != tdentry) {
-			error = nfserr_stale;
+			error = nfserr_acces;
 			printk("fh_verify: no root_squashed access at %s/%s.\n",
 			       dentry->d_parent->d_name.name,
 			       dentry->d_name.name);