copy on write for splice() from file to pipe?

Herbert Xu herbert at
Mon Feb 13 09:30:13 UTC 2023

David Laight <David.Laight at> wrote:
> It is also worth remembering that TCP needs to be able
> to retransmit the data and a much later time.
> So the application must not change the data until it has
> been acked by the remote system.

I don't believe changing the data on retransmit violates any
standards.  Correct me if I'm wrong :)
Email: Herbert Xu <herbert at>
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