diff options
Diffstat (limited to 'net/mptcp/sockopt.c')
| -rw-r--r-- | net/mptcp/sockopt.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index aa3fcd86dbe2..dacf3cee0027 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -1285,27 +1285,15 @@ void mptcp_sockopt_sync(struct mptcp_sock *msk, struct sock *ssk) } } -void mptcp_sockopt_sync_all(struct mptcp_sock *msk) +void mptcp_sockopt_sync_locked(struct mptcp_sock *msk, struct sock *ssk) { - struct mptcp_subflow_context *subflow; - struct sock *sk = (struct sock *)msk; - u32 seq; - - seq = sockopt_seq_reset(sk); + struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(ssk); - mptcp_for_each_subflow(msk, subflow) { - struct sock *ssk = mptcp_subflow_tcp_sock(subflow); - u32 sseq = READ_ONCE(subflow->setsockopt_seq); + msk_owned_by_me(msk); - if (sseq != msk->setsockopt_seq) { - __mptcp_sockopt_sync(msk, ssk); - WRITE_ONCE(subflow->setsockopt_seq, seq); - } else if (sseq != seq) { - WRITE_ONCE(subflow->setsockopt_seq, seq); - } + if (READ_ONCE(subflow->setsockopt_seq) != msk->setsockopt_seq) { + sync_socket_options(msk, ssk); - cond_resched(); + subflow->setsockopt_seq = msk->setsockopt_seq; } - - msk->setsockopt_seq = seq; } |