El Wed, 16 Mar 2016 14:25:16 +0000 Al Viro <viro@xxxxxxxxxxxxxxxxxx> escrigué: > NAK. This is absolutely deliberate; moreover, mount --bind $DIR $DIR > is often used just to set such a boundary. It means that the way I have proposed may work also ? Therefore we can develop a new option for binding to let the superuser choose what is needed for every mount-bind, example: mount --bind -o boundary $DIR $DIR mount --bind -o noboundary $DIR1 $DIR2 and allow remount also, mount -o remount,boundary $DIR mount -o remount,noboundary $DIR That seems feasible, Jordi Pujol i Palomer Enginyer Tècnic Industrial -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html