diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index ae04892..6cea747 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -710,6 +710,8 @@
 {
 	struct nfs_server *server = NFS_SERVER(inode);
 
+	if (test_bit(NFS_INO_MOUNTPOINT, &NFS_I(inode)->flags))
+		return 0;
 	if (nd != NULL) {
 		/* VFS wants an on-the-wire revalidation */
 		if (nd->flags & LOOKUP_REVAL)