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From: Jens Axboe <[email protected]>
To: Stefan Metzmacher <[email protected]>, [email protected]
Cc: Pavel Begunkov <[email protected]>
Subject: Re: [PATCH 1/1] io_uring/net: introduce IORING_SEND_ZC_REPORT_USAGE flag
Date: Wed, 02 Nov 2022 08:02:00 -0600	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <8945b01756d902f5d5b0667f20b957ad3f742e5e.1666895626.git.metze@samba.org>

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



      parent reply	other threads:[~2022-11-02 14:02 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <[email protected]>
2022-10-27 18:34 ` [PATCH 1/1] io_uring/net: introduce IORING_SEND_ZC_REPORT_USAGE flag Stefan Metzmacher
2022-10-28 13:12   ` Pavel Begunkov
2022-11-02 12:33   ` Pavel Begunkov
2022-11-02 14:02   ` Jens Axboe [this message]

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