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net: call prot->release_cb() when processing backlog

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__sk_flush_backlog() / sk_flush_backlog() are used
when TCP recvmsg()/sendmsg() process large chunks,
to not let packets in the backlog too long.

It makes sense to call tcp_release_cb() to also
process actions held in sk->sk_tsq_flags for smoother
scheduling.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Eric Dumazet 2023-09-11 17:05:30 +00:00 committed by Paolo Abeni
parent 11445469de
commit 4505dc2a52
1 changed files with 3 additions and 0 deletions
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3
net/core/sock.c
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@ -3001,6 +3001,9 @@ void __sk_flush_backlog(struct sock *sk)
{
spin_lock_bh(&sk->sk_lock.slock);
__release_sock(sk);
if (sk->sk_prot->release_cb)
sk->sk_prot->release_cb(sk);
spin_unlock_bh(&sk->sk_lock.slock);
}
EXPORT_SYMBOL_GPL(__sk_flush_backlog);