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Fri, 19 May 2023 15:10:08 -0700 (PDT) MIME-Version: 1.0 References: <20230518130713.1515729-1-dhowells@redhat.com> <20230518130713.1515729-17-dhowells@redhat.com> In-Reply-To: <20230518130713.1515729-17-dhowells@redhat.com> From: Willem de Bruijn Date: Fri, 19 May 2023 18:09:31 -0400 Message-ID: Subject: Re: [PATCH net-next v9 16/16] unix: Convert udp_sendpage() to use MSG_SPLICE_PAGES To: David Howells Cc: netdev@vger.kernel.org, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , David Ahern , Matthew Wilcox , Al Viro , Christoph Hellwig , Jens Axboe , Jeff Layton , Christian Brauner , Chuck Lever III , Linus Torvalds , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Kuniyuki Iwashima Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: B4B178000F X-Stat-Signature: sxyxqn9bm97may56zijchtanuzjh9txc X-Rspam-User: X-HE-Tag: 1684534209-660327 X-HE-Meta: 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 E6NcyaJ2 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, May 18, 2023 at 9:08=E2=80=AFAM David Howells = wrote: > > Convert unix_stream_sendpage() to use sendmsg() with MSG_SPLICE_PAGES > rather than directly splicing in the pages itself. > > This allows ->sendpage() to be replaced by something that can handle > multiple multipage folios in a single transaction. > > Signed-off-by: David Howells > cc: "David S. Miller" > cc: Eric Dumazet > cc: Jakub Kicinski > cc: Paolo Abeni > cc: Kuniyuki Iwashima > cc: Jens Axboe > cc: Matthew Wilcox > cc: netdev@vger.kernel.org tiny nit: subject s/udp_sendpage/unix_stream_sendpage/ no other comments on this patch series from me