net: add sock_set_priority
Add a helper to directly set the SO_PRIORITY sockopt from kernel space
without going through a fake uaccess.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index e080149..f308815 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -1448,12 +1448,8 @@ static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue)
*/
sock_no_linger(sock->sk);
- if (so_priority > 0) {
- ret = kernel_setsockopt(sock, SOL_SOCKET, SO_PRIORITY,
- (char *)&so_priority, sizeof(so_priority));
- if (ret)
- return ret;
- }
+ if (so_priority > 0)
+ sock_set_priority(sock->sk, so_priority);
/* Set socket type of service */
if (inet->rcv_tos > 0) {
@@ -1638,14 +1634,8 @@ static int nvmet_tcp_add_port(struct nvmet_port *nport)
goto err_sock;
}
- if (so_priority > 0) {
- ret = kernel_setsockopt(port->sock, SOL_SOCKET, SO_PRIORITY,
- (char *)&so_priority, sizeof(so_priority));
- if (ret) {
- pr_err("failed to set SO_PRIORITY sock opt %d\n", ret);
- goto err_sock;
- }
- }
+ if (so_priority > 0)
+ sock_set_priority(port->sock->sk, so_priority);
ret = kernel_bind(port->sock, (struct sockaddr *)&port->addr,
sizeof(port->addr));