one thing I'll give ext4 credit for that other FSes don't have is that it records mow much writes were made to the partition over its lifetime, something that is especially useful for certain storage devices without any sort of built in record of lifetime writes cough cough SD cards
Huh, it's already been over a year since I made this instance...
Originally this was something I was messing with on a raspberry Pi, then it moved onto some VM on my main home server, and now it's made its way back onto the pi