File systems are an abstraction we created over disc storage. The discs don't care. They only know about sectors of, say, 4096 bits. It is not at all clear t

File systems are an abstraction we created over disc storage. The discs don't care. They only know about sectors of, say, 4096 bits. It is not at all clear that a hierarchical structure of byte-records is the best abstraction to create over that storage.