util-linux/util-linux-2.12r-mount_mtab_update.patch

Index: mount/mount.c
===================================================================
--- mount/mount.c.orig
+++ mount/mount.c
@@ -954,11 +954,16 @@ retry_nfs:
   }
 
   if (fake || mnt5_res == 0) {
+      int isroot;
+	  
       /* Mount succeeded, report this (if verbose) and write mtab entry.  */
       if (loop)
 	  opt_loopdev = loopdev;
 
-      if (!(mounttype & MS_PROPAGATION)) {
+      isroot = (streq(node, "/") || streq(node, "root") ||
+		streq(node, "rootfs"));
+
+      if (!(mounttype & MS_PROPAGATION) && !isroot) {
 	      update_mtab_entry(loop ? loopfile : spec,
 			node,
 			types ? types : "unknown",