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authorChristoph Hellwig <hch@lst.de>2020-05-28 08:12:17 +0300
committerDavid S. Miller <davem@davemloft.net>2020-05-28 21:11:45 +0300
commitfe31a326a4aadb4a3ba2b21deacc380d06802737 (patch)
treedbdc85446db7c9e70c44b1ed69b5d29ebea1e129 /net/sunrpc/xprtsock.c
parent26cfabf9cdd273650126d84a48a7f8dedbcded48 (diff)
downloadlinux-fe31a326a4aadb4a3ba2b21deacc380d06802737.tar.xz
net: add sock_set_reuseport
Add a helper to directly set the SO_REUSEPORT sockopt from kernel space without going through a fake uaccess. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sunrpc/xprtsock.c')
-rw-r--r--net/sunrpc/xprtsock.c17
1 files changed, 1 insertions, 16 deletions
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 30082cd03996..399848c2bcb2 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1594,21 +1594,6 @@ static int xs_get_random_port(void)
return rand + min;
}
-/**
- * xs_set_reuseaddr_port - set the socket's port and address reuse options
- * @sock: socket
- *
- * Note that this function has to be called on all sockets that share the
- * same port, and it must be called before binding.
- */
-static void xs_sock_set_reuseport(struct socket *sock)
-{
- int opt = 1;
-
- kernel_setsockopt(sock, SOL_SOCKET, SO_REUSEPORT,
- (char *)&opt, sizeof(opt));
-}
-
static unsigned short xs_sock_getport(struct socket *sock)
{
struct sockaddr_storage buf;
@@ -1801,7 +1786,7 @@ static struct socket *xs_create_sock(struct rpc_xprt *xprt,
xs_reclassify_socket(family, sock);
if (reuseport)
- xs_sock_set_reuseport(sock);
+ sock_set_reuseport(sock->sk);
err = xs_bind(transport, sock);
if (err) {