> One other thing we're interested in is portability. I mean, even if
> Linux were to introduce a new hypothetical syscall that was able to
> return the file size at a ridiculously low cost, we probably wouldn't
> use it because it'd be Linux-specific. So an improvement of lseek()
> seems to be the best option.
Fully agreed. It doesn't make any sense at all to implement special
syscalls just to workaround a basic system call not scaling.
-Andi
