netdev - [PATCH v2 1/8] net: expose sock_use_custom_sol

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Date: Tue,  8 Aug 2023 06:40:41 -0700
From: Breno Leitao <leitao@...ian.org>
To: sdf@...gle.com,
	axboe@...nel.dk,
	asml.silence@...il.com,
	willemdebruijn.kernel@...il.com,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: bpf@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	io-uring@...r.kernel.org
Subject: [PATCH v2 1/8] net: expose sock_use_custom_sol_socket

Exposing function sock_use_custom_sol_socket(), so it could be used by
io_uring subsystem.

This function will be used in the function io_uring_cmd_setsockopt() in
the coming patch, so, let's move it to the socket.h header file.

Signed-off-by: Breno Leitao <leitao@...ian.org>
---
 include/linux/net.h | 5 +++++
 net/socket.c        | 5 -----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/net.h b/include/linux/net.h
index 41c608c1b02c..14a956e4530e 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -355,4 +355,9 @@ u32 kernel_sock_ip_overhead(struct sock *sk);
 #define MODULE_ALIAS_NET_PF_PROTO_NAME(pf, proto, name) \
 	MODULE_ALIAS("net-pf-" __stringify(pf) "-proto-" __stringify(proto) \
 		     name)
+
+static inline bool sock_use_custom_sol_socket(const struct socket *sock)
+{
+	return test_bit(SOCK_CUSTOM_SOCKOPT, &sock->flags);
+}
 #endif	/* _LINUX_NET_H */
diff --git a/net/socket.c b/net/socket.c
index 1dc23f5298ba..8df54352af83 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2216,11 +2216,6 @@ SYSCALL_DEFINE4(recv, int, fd, void __user *, ubuf, size_t, size,
 	return __sys_recvfrom(fd, ubuf, size, flags, NULL, NULL);
 }
 
-static bool sock_use_custom_sol_socket(const struct socket *sock)
-{
-	return test_bit(SOCK_CUSTOM_SOCKOPT, &sock->flags);
-}
-
 /*
  *	Set a socket option. Because we don't know the option lengths we have
  *	to pass the user mode parameter for the protocols to sort out.
-- 
2.34.1