subflow = list_first_entry_or_null(&msk->conn_list, typeof(*subflow), node);
if (subflow) {
struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
+ bool slow;
spin_unlock_bh(&msk->pm.lock);
pr_debug("send ack for %s%s%s",
mptcp_pm_should_add_signal_ipv6(msk) ? " [ipv6]" : "",
mptcp_pm_should_add_signal_port(msk) ? " [port]" : "");
- lock_sock(ssk);
+ slow = lock_sock_fast(ssk);
tcp_send_ack(ssk);
- release_sock(ssk);
+ unlock_sock_fast(ssk, slow);
spin_lock_bh(&msk->pm.lock);
}
}
struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
struct sock *sk = (struct sock *)msk;
struct mptcp_addr_info local;
+ bool slow;
local_address((struct sock_common *)ssk, &local);
if (!addresses_equal(&local, addr, addr->port))
spin_unlock_bh(&msk->pm.lock);
pr_debug("send ack for mp_prio");
- lock_sock(ssk);
+ slow = lock_sock_fast(ssk);
tcp_send_ack(ssk);
- release_sock(ssk);
+ unlock_sock_fast(ssk, slow);
spin_lock_bh(&msk->pm.lock);
return 0;
mptcp_for_each_subflow(msk, subflow) {
struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
+ bool slow;
- lock_sock(ssk);
+ slow = lock_sock_fast(ssk);
if (tcp_can_send_ack(ssk))
tcp_send_ack(ssk);
- release_sock(ssk);
+ unlock_sock_fast(ssk, slow);
}
}
static bool mptcp_subflow_cleanup_rbuf(struct sock *ssk)
{
+ bool slow;
int ret;
- lock_sock(ssk);
+ slow = lock_sock_fast(ssk);
ret = tcp_can_send_ack(ssk);
if (ret)
tcp_cleanup_rbuf(ssk, 1);
- release_sock(ssk);
+ unlock_sock_fast(ssk, slow);
return ret;
}
list_for_each_entry_safe(subflow, tmp, &msk->conn_list, node) {
struct sock *tcp_sk = mptcp_subflow_tcp_sock(subflow);
+ bool slow;
- lock_sock(tcp_sk);
+ slow = lock_sock_fast(tcp_sk);
if (tcp_sk->sk_state != TCP_CLOSE) {
tcp_send_active_reset(tcp_sk, GFP_ATOMIC);
tcp_set_state(tcp_sk, TCP_CLOSE);
}
- release_sock(tcp_sk);
+ unlock_sock_fast(tcp_sk, slow);
}
inet_sk_state_store(sk, TCP_CLOSE);