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tcp: factor out __tcp_close() helper

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[ Upstream commit 77c3c95637526f1e4330cc9a4b2065f668c2c4fe ]

unlocked version of protocol level close, will be used by
MPTCP to allow decouple orphaning and subflow level close.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: e14cadfd80d7 ("tcp: add annotations around sk->sk_shutdown accesses")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Paolo Abeni
2020-11-16 10:48:04 +01:00
committed by Greg Kroah-Hartman
parent 7e120db730
commit e62806034c
2 changed files with 8 additions and 2 deletions
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include/net/tcp.h
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@@ -389,6 +389,7 @@ void tcp_update_metrics(struct sock *sk);
void tcp_init_metrics(struct sock *sk);
void tcp_metrics_init(void);
bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst);
void __tcp_close(struct sock *sk, long timeout);
void tcp_close(struct sock *sk, long timeout);
void tcp_init_sock(struct sock *sk);
void tcp_init_transfer(struct sock *sk, int bpf_op);