Please keep count==0 to specify zero bytes. Use something like count==-1
for copy till EOF.
> Also, if I end up copying more than 4G of data, what
>value should I return? This needs to be solved.
Copy 2GB-PAGE_SIZE, then return, set errno to EAGAIN or something.
If we're copying more than 2GB, then the overhead of putting a loop
on it in userspace is negligible.
-- Sincerely, srb@cuci.nl Stephen R. van den Berg (AKA BuGless). "I don't like this word bomb. It is not a bomb, it is a device, which explodes." French Ambassador about the atomic tests.- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu