diff options
| author | Eric Dumazet <edumazet@google.com> | 2023-08-16 11:15:45 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-08-16 13:09:18 +0300 |
| commit | 08e39c0dfa29f233f5a621f7d274b793a080c769 (patch) | |
| tree | 5edd6e05adc3042bbf121d2c62424e28759df625 /net/mptcp/protocol.c | |
| parent | ca571e2eb7eb6202aa367e01c811aab023272f38 (diff) | |
| download | linux-08e39c0dfa29f233f5a621f7d274b793a080c769.tar.xz | |
inet: move inet->defer_connect to inet->inet_flags
Make room in struct inet_sock by removing this bit field,
using one available bit in inet_flags instead.
Also move local_port_range to fill the resulting hole,
saving 8 bytes on 64bit arches.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/protocol.c')
| -rw-r--r-- | net/mptcp/protocol.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 6ea0a1da8068..6019a3cf1625 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -1686,7 +1686,7 @@ static int mptcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg, if (!mptcp_disconnect(sk, 0)) sk->sk_socket->state = SS_UNCONNECTED; } - inet_sk(sk)->defer_connect = 0; + inet_clear_bit(DEFER_CONNECT, sk); return ret; } @@ -1704,7 +1704,8 @@ static int mptcp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) lock_sock(sk); - if (unlikely(inet_sk(sk)->defer_connect || msg->msg_flags & MSG_FASTOPEN)) { + if (unlikely(inet_test_bit(DEFER_CONNECT, sk) || + msg->msg_flags & MSG_FASTOPEN)) { int copied_syn = 0; ret = mptcp_sendmsg_fastopen(sk, msg, len, &copied_syn); @@ -3601,7 +3602,7 @@ static int mptcp_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) if (err < 0) goto out; - inet_sk(sk)->defer_connect = inet_sk(ssk)->defer_connect; + inet_assign_bit(DEFER_CONNECT, sk, inet_test_bit(DEFER_CONNECT, ssk)); out: if (!msk->fastopening) @@ -3827,7 +3828,8 @@ static __poll_t mptcp_poll(struct file *file, struct socket *sock, mask |= EPOLLOUT | EPOLLWRNORM; else mask |= mptcp_check_writeable(msk); - } else if (state == TCP_SYN_SENT && inet_sk(sk)->defer_connect) { + } else if (state == TCP_SYN_SENT && + inet_test_bit(DEFER_CONNECT, sk)) { /* cf tcp_poll() note about TFO */ mask |= EPOLLOUT | EPOLLWRNORM; } |