Re: [PATCH] sendfile removal

Jens Axboe wrote:

I would personally argue that sendfile() blocking on an O_NONBLOCK
desriptor, as opposed to returning EAGAIN, is a bug, and a fairly
serious such.

I agree, but it's still a change in behaviour. Even if we consider the
app buggy (it is), can we potentially break it?


It depends on which app it is, of course. However, I think we have to
smoke that out the hard way. I don't think we should retain a bug in
the kernel just because some unknown app might depend on that bug --
taking that to the extreme we could never fix bugs at all...

-hpa
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