Linux-libre 4.8.2-gnupck-4.8.2-gnu

1 files changed, 21 insertions, 17 deletions

diff --git a/net/rds/tcp_recv.c b/net/rds/tcp_recv.c
index 6e6a7111a..ad4892e97 100644
--- a/net/rds/tcp_recv.c
+++ b/net/rds/tcp_recv.c
@@ -147,7 +147,7 @@ static void rds_tcp_cong_recv(struct rds_connection *conn,
 }
 
 struct rds_tcp_desc_arg {
-	struct rds_connection *conn;
+	struct rds_conn_path *conn_path;
 	gfp_t gfp;
 };
 
@@ -155,8 +155,8 @@ static int rds_tcp_data_recv(read_descriptor_t *desc, struct sk_buff *skb,
 			     unsigned int offset, size_t len)
 {
 	struct rds_tcp_desc_arg *arg = desc->arg.data;
-	struct rds_connection *conn = arg->conn;
-	struct rds_tcp_connection *tc = conn->c_transport_data;
+	struct rds_conn_path *cp = arg->conn_path;
+	struct rds_tcp_connection *tc = cp->cp_transport_data;
 	struct rds_tcp_incoming *tinc = tc->t_tinc;
 	struct sk_buff *clone;
 	size_t left = len, to_copy;
@@ -178,7 +178,8 @@ static int rds_tcp_data_recv(read_descriptor_t *desc, struct sk_buff *skb,
 			}
 			tc->t_tinc = tinc;
 			rdsdebug("alloced tinc %p\n", tinc);
-			rds_inc_init(&tinc->ti_inc, conn, conn->c_faddr);
+			rds_inc_path_init(&tinc->ti_inc, cp,
+					  cp->cp_conn->c_faddr);
 			/*
 			 * XXX * we might be able to use the __ variants when
 			 * we've already serialized at a higher level.
@@ -228,6 +229,8 @@ static int rds_tcp_data_recv(read_descriptor_t *desc, struct sk_buff *skb,
 		}
 
 		if (tc->t_tinc_hdr_rem == 0 && tc->t_tinc_data_rem == 0) {
+			struct rds_connection *conn = cp->cp_conn;
+
 			if (tinc->ti_inc.i_hdr.h_flags == RDS_FLAG_CONG_BITMAP)
 				rds_tcp_cong_recv(conn, tinc);
 			else
@@ -250,15 +253,15 @@ out:
 }
 
 /* the caller has to hold the sock lock */
-static int rds_tcp_read_sock(struct rds_connection *conn, gfp_t gfp)
+static int rds_tcp_read_sock(struct rds_conn_path *cp, gfp_t gfp)
 {
-	struct rds_tcp_connection *tc = conn->c_transport_data;
+	struct rds_tcp_connection *tc = cp->cp_transport_data;
 	struct socket *sock = tc->t_sock;
 	read_descriptor_t desc;
 	struct rds_tcp_desc_arg arg;
 
 	/* It's like glib in the kernel! */
-	arg.conn = conn;
+	arg.conn_path = cp;
 	arg.gfp = gfp;
 	desc.arg.data = &arg;
 	desc.error = 0;
@@ -278,16 +281,17 @@ static int rds_tcp_read_sock(struct rds_connection *conn, gfp_t gfp)
  * if we fail to allocate we're in trouble.. blindly wait some time before
  * trying again to see if the VM can free up something for us.
  */
-int rds_tcp_recv(struct rds_connection *conn)
+int rds_tcp_recv_path(struct rds_conn_path *cp)
 {
-	struct rds_tcp_connection *tc = conn->c_transport_data;
+	struct rds_tcp_connection *tc = cp->cp_transport_data;
 	struct socket *sock = tc->t_sock;
 	int ret = 0;
 
-	rdsdebug("recv worker conn %p tc %p sock %p\n", conn, tc, sock);
+	rdsdebug("recv worker path [%d] tc %p sock %p\n",
+		 cp->cp_index, tc, sock);
 
 	lock_sock(sock->sk);
-	ret = rds_tcp_read_sock(conn, GFP_KERNEL);
+	ret = rds_tcp_read_sock(cp, GFP_KERNEL);
 	release_sock(sock->sk);
 
 	return ret;
@@ -296,24 +300,24 @@ int rds_tcp_recv(struct rds_connection *conn)
 void rds_tcp_data_ready(struct sock *sk)
 {
 	void (*ready)(struct sock *sk);
-	struct rds_connection *conn;
+	struct rds_conn_path *cp;
 	struct rds_tcp_connection *tc;
 
 	rdsdebug("data ready sk %p\n", sk);
 
 	read_lock_bh(&sk->sk_callback_lock);
-	conn = sk->sk_user_data;
-	if (!conn) { /* check for teardown race */
+	cp = sk->sk_user_data;
+	if (!cp) { /* check for teardown race */
 		ready = sk->sk_data_ready;
 		goto out;
 	}
 
-	tc = conn->c_transport_data;
+	tc = cp->cp_transport_data;
 	ready = tc->t_orig_data_ready;
 	rds_tcp_stats_inc(s_tcp_data_ready_calls);
 
-	if (rds_tcp_read_sock(conn, GFP_ATOMIC) == -ENOMEM)
-		queue_delayed_work(rds_wq, &conn->c_recv_w, 0);
+	if (rds_tcp_read_sock(cp, GFP_ATOMIC) == -ENOMEM)
+		queue_delayed_work(rds_wq, &cp->cp_recv_w, 0);
 out:
 	read_unlock_bh(&sk->sk_callback_lock);
 	ready(sk);