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tcp/dccp: complete lockless accesses to sk->sk_max_ack_backlog
Since commit 099ecf59f0
("net: annotate lockless accesses to
sk->sk_max_ack_backlog") decided to handle the sk_max_ack_backlog
locklessly, there is one more function mostly called in TCP/DCCP
cases. So this patch completes it:)
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240331090521.71965-1-kerneljasonxing@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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@ -281,7 +281,7 @@ static inline int inet_csk_reqsk_queue_len(const struct sock *sk)
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static inline int inet_csk_reqsk_queue_is_full(const struct sock *sk)
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{
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return inet_csk_reqsk_queue_len(sk) >= sk->sk_max_ack_backlog;
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return inet_csk_reqsk_queue_len(sk) >= READ_ONCE(sk->sk_max_ack_backlog);
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}
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bool inet_csk_reqsk_queue_drop(struct sock *sk, struct request_sock *req);
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