netdev - Re: [PATCH net-next 1/2] net/tcp: don't peek at tail for io

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Message-ID: <CANn89iLPMhmWAHcbs2PtB6frzZjPUTGRRmnLUxtzspikaUba9g@mail.gmail.com>
Date: Mon, 15 May 2023 20:11:18 +0200
From: Eric Dumazet <edumazet@...gle.com>
To: David Ahern <dsahern@...nel.org>
Cc: Pavel Begunkov <asml.silence@...il.com>, io-uring@...r.kernel.org, 
	netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org, 
	pabeni@...hat.com
Subject: Re: [PATCH net-next 1/2] net/tcp: don't peek at tail for io_uring zc

On Mon, May 15, 2023 at 7:27 PM David Ahern <dsahern@...nel.org> wrote:
>
> On 5/15/23 10:06 AM, Pavel Begunkov wrote:
> > Move tcp_write_queue_tail() to SOCK_ZEROCOPY specific flag as zerocopy
> > setup for msghdr->ubuf_info doesn't need to peek into the last request.
> >
> > Signed-off-by: Pavel Begunkov <asml.silence@...il.com>
> > ---
> >  net/ipv4/tcp.c | 3 +--
> >  1 file changed, 1 insertion(+), 2 deletions(-)
> >
>
> Reviewed-by: David Ahern <dsahern@...nel.org>


Reviewed-by: Eric Dumazet <edumazet@...gle.com>