diff options
| author | Eric Dumazet <edumazet@google.com> | 2020-09-30 15:54:56 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-10-01 00:21:30 +0300 |
| commit | b6b6d6533a14b5ddcf9f9c5239fc3721fc6beda0 (patch) | |
| tree | 3ebc44f6fa89883d9f46387b5e4337475790a1f8 /include/net/inet_connection_sock.h | |
| parent | 20c168be684a97b084525906eb7ed017b7f9c0b8 (diff) | |
| download | linux-b6b6d6533a14b5ddcf9f9c5239fc3721fc6beda0.tar.xz | |
inet: remove icsk_ack.blocked
TCP has been using it to work around the possibility of tcp_delack_timer()
finding the socket owned by user.
After commit 6f458dfb4092 ("tcp: improve latencies of timer triggered events")
we added TCP_DELACK_TIMER_DEFERRED atomic bit for more immediate recovery,
so we can get rid of icsk_ack.blocked
This frees space that following patch will reuse.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet_connection_sock.h')
| -rw-r--r-- | include/net/inet_connection_sock.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index dc763ca9413c..79875f976190 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -110,7 +110,7 @@ struct inet_connection_sock { __u8 pending; /* ACK is pending */ __u8 quick; /* Scheduled number of quick acks */ __u8 pingpong; /* The session is interactive */ - __u8 blocked; /* Delayed ACK was blocked by socket lock */ + /* one byte hole. */ __u32 ato; /* Predicted tick of soft clock */ unsigned long timeout; /* Currently scheduled timeout */ __u32 lrcvtime; /* timestamp of last received data packet */ @@ -198,7 +198,7 @@ static inline void inet_csk_clear_xmit_timer(struct sock *sk, const int what) sk_stop_timer(sk, &icsk->icsk_retransmit_timer); #endif } else if (what == ICSK_TIME_DACK) { - icsk->icsk_ack.blocked = icsk->icsk_ack.pending = 0; + icsk->icsk_ack.pending = 0; #ifdef INET_CSK_CLEAR_TIMERS sk_stop_timer(sk, &icsk->icsk_delack_timer); #endif |