From: "Dr. David Alan Gilbert" <linux@treblig.org>

The last use of kernel_sendmsg_locked() was removed in 2023 by
commit dc97391e6610 ("sock: Remove ->sendpage*() in favour of
sendmsg(MSG_SPLICE_PAGES)")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
 include/linux/net.h |  2 --
 net/socket.c        | 28 ----------------------------
 2 files changed, 30 deletions(-)

diff --git a/include/linux/net.h b/include/linux/net.h
index b75bc534c1b3..0ff950eecc6b 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -343,8 +343,6 @@ static inline bool sendpages_ok(struct page *page, size_t len, size_t offset)
 
 int kernel_sendmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec,
 		   size_t num, size_t len);
-int kernel_sendmsg_locked(struct sock *sk, struct msghdr *msg,
-			  struct kvec *vec, size_t num, size_t len);
 int kernel_recvmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec,
 		   size_t num, size_t len, int flags);
 
diff --git a/net/socket.c b/net/socket.c
index 9a117248f18f..430b38ed0cb9 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -774,34 +774,6 @@ int kernel_sendmsg(struct socket *sock, struct msghdr *msg,
 }
 EXPORT_SYMBOL(kernel_sendmsg);
 
-/**
- *	kernel_sendmsg_locked - send a message through @sock (kernel-space)
- *	@sk: sock
- *	@msg: message header
- *	@vec: output s/g array
- *	@num: output s/g array length
- *	@size: total message data size
- *
- *	Builds the message data with @vec and sends it through @sock.
- *	Returns the number of bytes sent, or an error code.
- *	Caller must hold @sk.
- */
-
-int kernel_sendmsg_locked(struct sock *sk, struct msghdr *msg,
-			  struct kvec *vec, size_t num, size_t size)
-{
-	struct socket *sock = sk->sk_socket;
-	const struct proto_ops *ops = READ_ONCE(sock->ops);
-
-	if (!ops->sendmsg_locked)
-		return sock_no_sendmsg_locked(sk, msg, size);
-
-	iov_iter_kvec(&msg->msg_iter, ITER_SOURCE, vec, num, size);
-
-	return ops->sendmsg_locked(sk, msg, msg_data_left(msg));
-}
-EXPORT_SYMBOL(kernel_sendmsg_locked);
-
 static bool skb_is_err_queue(const struct sk_buff *skb)
 {
 	/* pkt_type of skbs enqueued on the error queue are set to
-- 
2.47.1

On Sun, Jan 12, 2025 at 01:13:18PM +0000, linux@treblig.org wrote:
> From: "Dr. David Alan Gilbert" <linux@treblig.org>
> 
> The last use of kernel_sendmsg_locked() was removed in 2023 by
> commit dc97391e6610 ("sock: Remove ->sendpage*() in favour of
> sendmsg(MSG_SPLICE_PAGES)")
> 
> Remove it.
> 
> Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
> ---
>  include/linux/net.h |  2 --
>  net/socket.c        | 28 ----------------------------
>  2 files changed, 30 deletions(-)

Reviewed-by: Joe Damato <jdamato@fastly.com>

From: linux@treblig.org
Date: Sun, 12 Jan 2025 13:13:18 +0000
> From: "Dr. David Alan Gilbert" <linux@treblig.org>
> 
> The last use of kernel_sendmsg_locked() was removed in 2023 by
> commit dc97391e6610 ("sock: Remove ->sendpage*() in favour of
> sendmsg(MSG_SPLICE_PAGES)")
> 
> Remove it.
> 
> Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>

Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>

On Sun, Jan 12, 2025 at 6:43 PM <linux@treblig.org> wrote:
>
> From: "Dr. David Alan Gilbert" <linux@treblig.org>
>
> The last use of kernel_sendmsg_locked() was removed in 2023 by
> commit dc97391e6610 ("sock: Remove ->sendpage*() in favour of
> sendmsg(MSG_SPLICE_PAGES)")
>
> Remove it.
>
> Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>

Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>

-- 
Regards,
Kalesh AP