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tcp: Fold do_tcp_sendpages() into tcp_sendpage_locked()

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Fold do_tcp_sendpages() into its last remaining caller,
tcp_sendpage_locked().

Signed-off-by: David Howells <dhowells@redhat.com>
cc: David Ahern <dsahern@kernel.org>
cc: Jens Axboe <axboe@kernel.dk>
cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
David Howells 2023-05-22 13:11:19 +01:00 committed by Jakub Kicinski
parent c2ff29e99a
commit 5367f9bbb8
2 changed files with 7 additions and 16 deletions
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2
include/net/tcp.h
View file

@ -333,8 +333,6 @@ int tcp_sendpage(struct sock *sk, struct page *page, int offset, size_t size,
int flags);
int tcp_sendpage_locked(struct sock *sk, struct page *page, int offset,
size_t size, int flags);
ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset,
size_t size, int flags);
int tcp_send_mss(struct sock *sk, int *size_goal, int flags);
void tcp_push(struct sock *sk, int flags, int mss_now, int nonagle,
int size_goal);

21
net/ipv4/tcp.c
View file

@ -974,12 +974,17 @@ static int tcp_wmem_schedule(struct sock *sk, int copy)
return min(copy, sk->sk_forward_alloc);
}
ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset,
size_t size, int flags)
int tcp_sendpage_locked(struct sock *sk, struct page *page, int offset,
size_t size, int flags)
{
struct bio_vec bvec;
struct msghdr msg = { .msg_flags = flags | MSG_SPLICE_PAGES, };
if (!(sk->sk_route_caps & NETIF_F_SG))
return sock_no_sendpage_locked(sk, page, offset, size, flags);
tcp_rate_check_app_limited(sk); /* is sending application-limited? */
bvec_set_page(&bvec, page, size, offset);
iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, &bvec, 1, size);
@ -988,18 +993,6 @@ ssize_t do_tcp_sendpages(struct sock *sk, struct page *page, int offset,
return tcp_sendmsg_locked(sk, &msg, size);
}
EXPORT_SYMBOL_GPL(do_tcp_sendpages);
int tcp_sendpage_locked(struct sock *sk, struct page *page, int offset,
size_t size, int flags)
{
if (!(sk->sk_route_caps & NETIF_F_SG))
return sock_no_sendpage_locked(sk, page, offset, size, flags);
tcp_rate_check_app_limited(sk); /* is sending application-limited? */
return do_tcp_sendpages(sk, page, offset, size, flags);
}
EXPORT_SYMBOL_GPL(tcp_sendpage_locked);
int tcp_sendpage(struct sock *sk, struct page *page, int offset,