From: David Howells <dhowells@redhat.com>
To: netdev@vger.kernel.org
Cc: David Howells <dhowells@redhat.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
David Ahern <dsahern@kernel.org>,
Matthew Wilcox <willy@infradead.org>,
Al Viro <viro@zeniv.linux.org.uk>,
Christoph Hellwig <hch@infradead.org>,
Jens Axboe <axboe@kernel.dk>, Jeff Layton <jlayton@kernel.org>,
Christian Brauner <brauner@kernel.org>,
Chuck Lever III <chuck.lever@oracle.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org,
Steffen Klassert <steffen.klassert@secunet.com>,
Herbert Xu <herbert@gondor.apana.org.au>
Subject: [PATCH net-next v10 07/16] espintcp: Inline do_tcp_sendpages()
Date: Mon, 22 May 2023 13:11:16 +0100 [thread overview]
Message-ID: <20230522121125.2595254-8-dhowells@redhat.com> (raw)
In-Reply-To: <20230522121125.2595254-1-dhowells@redhat.com>
do_tcp_sendpages() is now just a small wrapper around tcp_sendmsg_locked(),
so inline it, allowing do_tcp_sendpages() to be removed. This is part of
replacing ->sendpage() with a call to sendmsg() with MSG_SPLICE_PAGES set.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steffen Klassert <steffen.klassert@secunet.com>
cc: Herbert Xu <herbert@gondor.apana.org.au>
cc: Eric Dumazet <edumazet@google.com>
cc: "David S. Miller" <davem@davemloft.net>
cc: David Ahern <dsahern@kernel.org>
cc: Jakub Kicinski <kuba@kernel.org>
cc: Paolo Abeni <pabeni@redhat.com>
cc: Jens Axboe <axboe@kernel.dk>
cc: Matthew Wilcox <willy@infradead.org>
cc: netdev@vger.kernel.org
---
net/xfrm/espintcp.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/net/xfrm/espintcp.c b/net/xfrm/espintcp.c
index 872b80188e83..3504925babdb 100644
--- a/net/xfrm/espintcp.c
+++ b/net/xfrm/espintcp.c
@@ -205,14 +205,16 @@ static int espintcp_sendskb_locked(struct sock *sk, struct espintcp_msg *emsg,
static int espintcp_sendskmsg_locked(struct sock *sk,
struct espintcp_msg *emsg, int flags)
{
+ struct msghdr msghdr = { .msg_flags = flags | MSG_SPLICE_PAGES, };
struct sk_msg *skmsg = &emsg->skmsg;
struct scatterlist *sg;
int done = 0;
int ret;
- flags |= MSG_SENDPAGE_NOTLAST;
+ msghdr.msg_flags |= MSG_SENDPAGE_NOTLAST;
sg = &skmsg->sg.data[skmsg->sg.start];
do {
+ struct bio_vec bvec;
size_t size = sg->length - emsg->offset;
int offset = sg->offset + emsg->offset;
struct page *p;
@@ -220,11 +222,13 @@ static int espintcp_sendskmsg_locked(struct sock *sk,
emsg->offset = 0;
if (sg_is_last(sg))
- flags &= ~MSG_SENDPAGE_NOTLAST;
+ msghdr.msg_flags &= ~MSG_SENDPAGE_NOTLAST;
p = sg_page(sg);
retry:
- ret = do_tcp_sendpages(sk, p, offset, size, flags);
+ bvec_set_page(&bvec, p, size, offset);
+ iov_iter_bvec(&msghdr.msg_iter, ITER_SOURCE, &bvec, 1, size);
+ ret = tcp_sendmsg_locked(sk, &msghdr, size);
if (ret < 0) {
emsg->offset = offset - sg->offset;
skmsg->sg.start += done;
next prev parent reply other threads:[~2023-05-22 12:13 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-22 12:11 [PATCH net-next v10 00/16] splice, net: Replace sendpage with sendmsg(MSG_SPLICE_PAGES), part 1 David Howells
2023-05-22 12:11 ` [PATCH net-next v10 01/16] net: Declare MSG_SPLICE_PAGES internal sendmsg() flag David Howells
2023-05-22 12:11 ` [PATCH net-next v10 02/16] net: Pass max frags into skb_append_pagefrags() David Howells
2023-05-22 12:11 ` [PATCH net-next v10 03/16] net: Add a function to splice pages into an skbuff for MSG_SPLICE_PAGES David Howells
2023-05-24 12:24 ` Yunsheng Lin
2023-05-24 13:21 ` David Howells
2023-05-22 12:11 ` [PATCH net-next v10 04/16] tcp: Support MSG_SPLICE_PAGES David Howells
2023-05-22 12:11 ` [PATCH net-next v10 05/16] tcp: Convert do_tcp_sendpages() to use MSG_SPLICE_PAGES David Howells
2023-05-22 12:11 ` [PATCH net-next v10 06/16] tcp_bpf: Inline do_tcp_sendpages as it's now a wrapper around tcp_sendmsg David Howells
2023-05-22 12:11 ` David Howells [this message]
2023-05-22 12:11 ` [PATCH net-next v10 08/16] tls: Inline do_tcp_sendpages() David Howells
2023-06-07 14:17 ` Tariq Toukan
2023-06-07 15:03 ` David Howells
2023-06-13 11:15 ` Tariq Toukan
2023-06-19 8:23 ` Tariq Toukan
2023-06-19 9:35 ` David Howells
2023-06-27 16:49 ` Tariq Toukan
2023-06-30 17:21 ` Jakub Kicinski
2023-07-04 20:06 ` Tariq Toukan
2023-07-05 16:19 ` Jakub Kicinski
2023-07-23 6:35 ` Tariq Toukan
2023-07-26 0:30 ` Jakub Kicinski
2023-07-26 19:20 ` Tariq Toukan
2023-07-26 20:08 ` Jakub Kicinski
2023-08-03 11:52 ` Tariq Toukan
2023-08-03 11:47 ` Tariq Toukan
2023-08-04 3:12 ` Jakub Kicinski
2023-08-08 7:29 ` Tariq Toukan
2023-07-26 10:51 ` David Howells
2023-07-26 11:43 ` Tariq Toukan
2023-07-26 14:57 ` Jakub Kicinski
2023-08-10 13:07 ` David Howells
2023-06-27 16:55 ` David Howells
2023-06-27 17:06 ` David Howells
2023-05-22 12:11 ` [PATCH net-next v10 09/16] siw: " David Howells
2023-05-22 12:11 ` [PATCH net-next v10 10/16] tcp: Fold do_tcp_sendpages() into tcp_sendpage_locked() David Howells
2023-05-22 12:11 ` [PATCH net-next v10 11/16] ip, udp: Support MSG_SPLICE_PAGES David Howells
2023-05-22 12:11 ` [PATCH net-next v10 12/16] ip6, udp6: " David Howells
2023-05-22 12:11 ` [PATCH net-next v10 13/16] udp: Convert udp_sendpage() to use MSG_SPLICE_PAGES David Howells
2023-05-22 12:11 ` [PATCH net-next v10 14/16] ip: Remove ip_append_page() David Howells
2023-05-22 12:11 ` [PATCH net-next v10 15/16] af_unix: Support MSG_SPLICE_PAGES David Howells
2023-05-22 12:11 ` [PATCH net-next v10 16/16] unix: Convert unix_stream_sendpage() to use MSG_SPLICE_PAGES David Howells
2023-05-24 4:20 ` [PATCH net-next v10 00/16] splice, net: Replace sendpage with sendmsg(MSG_SPLICE_PAGES), part 1 patchwork-bot+netdevbpf
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