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SubjectRe: want opinions on possible glitch in 2.4 network error reporting
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> > That is correct UDP behaviour
>
> This is totally untrue, unless the socket doing non-blocking I/O -- and
> even then you get -1 and EAGAIN from sendto.

Not the case.

> there is no way to "lose" that data before it hits the wire, unless of
> course the network driver is broken and doesn't plug the upper layers when
> its TX queue is full.

UDP is not flow controlled.

> Think of it: if what you said were true, NFS over UDP would be totally
> useless. But it's not, so if UDP data gets lost before it hits the wire,
> it's usually a bug in the network driver.

NFS does UDP flow control of its own. If it didnt it would indeed be
broken.
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