Approaching the kernel year-2038 end game

For filesystems you could simply declare the value on disk to be unsigned, or use a different epoch and then translate in the kernel. Sucks for the people who want to store timestamps from before 1970 though.

Then you're just left with user space programs. You could do funky things like expanding the range by reducing resolution, but changing the assumption that adding 3600 moves you an hour forward will probably break more things than wrapping.