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Date: Fri, 29 Apr 2022 21:08:14 -0600 From: Jens Axboe <axboe@...nel.dk> To: Jakub Kicinski <kuba@...nel.org> Cc: netdev <netdev@...r.kernel.org>, Eric Dumazet <edumazet@...gle.com>, Neal Cardwell <ncardwell@...gle.com> Subject: Re: [PATCH v3] tcp: pass back data left in socket after receive On 4/29/22 8:15 PM, Jakub Kicinski wrote: > On Thu, 28 Apr 2022 18:45:06 -0600 Jens Axboe wrote: >> This is currently done for CMSG_INQ, add an ability to do so via struct >> msghdr as well and have CMSG_INQ use that too. If the caller sets >> msghdr->msg_get_inq, then we'll pass back the hint in msghdr->msg_inq. >> >> Rearrange struct msghdr a bit so we can add this member while shrinking >> it at the same time. On a 64-bit build, it was 96 bytes before this >> change and 88 bytes afterwards. >> >> Reviewed-by: Eric Dumazet <edumazet@...gle.com> >> Signed-off-by: Jens Axboe <axboe@...nel.dk> > > Commit f94fd25cb0aa ("tcp: pass back data left in socket after > receive") in net-next now, thanks! Great, thanks Jakub! I'll base on this for the io_uring change. -- Jens Axboe
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