On Thu, 27 Oct 2022 20:34:45 +0200, Stefan Metzmacher wrote:
> It might be useful for applications to detect if a zero copy
> transfer with SEND[MSG]_ZC was actually possible or not.
> The application can fallback to plain SEND[MSG] in order
> to avoid the overhead of two cqes per request.
> Or it can generate a log message that could indicate
> to an administrator that no zero copy was possible
> and could explain degraded performance.
>
> [...]
Applied, thanks!
[1/1] io_uring/net: introduce IORING_SEND_ZC_REPORT_USAGE flag
commit: 4847a0eae62976ac27f192cd59b9de72b390eff3
Best regards,
--
Jens Axboe
