Re: sendfile -EOVERFLOW on AMD64

[Andi Kleen]

> (note error is int, not ssize_t), but I don't see anything obvious
> for other filesystems.

sendfile64 on 32bit hosts seems to be quite fishy too.

It works with ssize_t, which is 32bit only, but there are no checks
that the transfered file is not >4GB.  It would just wrap in this case.
It would be better to add such checks for 32bit hosts to sendfile64.

Or am I missing something?

-Andi
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