diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2022-01-06 16:20:17 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-01-07 11:27:07 +0000 |
| commit | 71ba088ce0aa87370b18a1d35cd742f352d51c24 (patch) | |
| tree | 4b492bb3324b1ef9aed7ee39185b85bc756a36e4 /net/mptcp/subflow.c | |
| parent | b29fcfb54cd70caca5b11c80d8d238854938884a (diff) | |
| download | lwn-71ba088ce0aa87370b18a1d35cd742f352d51c24.tar.gz lwn-71ba088ce0aa87370b18a1d35cd742f352d51c24.zip | |
mptcp: cleanup accept and poll
After the previous patch, msk->subflow will never be deleted during
the whole msk lifetime. We don't need anymore to acquire references to
it in mptcp_stream_accept() and we can use the listener subflow accept
queue to simplify mptcp_poll() for listener socket.
Overall this removes a lock pair and 4 more atomic operations per
accept().
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/subflow.c')
| -rw-r--r-- | net/mptcp/subflow.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 24bc9d5e87be..d861307f7efe 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -1293,7 +1293,6 @@ static void subflow_data_ready(struct sock *sk) if (reqsk_queue_empty(&inet_csk(sk)->icsk_accept_queue)) return; - set_bit(MPTCP_DATA_READY, &msk->flags); parent->sk_data_ready(parent); return; } |