That you need to use du to get per subvolume disk usage is the problem here, I think you missed the point I was trying to me. But that's on me, I couldn't imagi

That you need to use du to get per subvolume disk usage is the problem here, I think you missed the point I was trying to me. But that's on me, I couldn't imagine someone would seriously consider that I didn't know the difference between df and du...