This article is 17 years old. I don't know why you'd ReiserFS today, even ignoring its infamous author. Its removal from the Linux kernel is also being discuss

This article is 17 years old. I don't know why you'd ReiserFS today, even ignoring its infamous author. Its removal from the Linux kernel is also being discussed, since it suffers from the year 2038 problem, amongst other reasons. Tail packing, probably ReiserFS' most famous feature, is also performed by btrfs.