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authorEric Dumazet <edumazet@google.com>2020-09-30 05:54:56 -0700
committerDavid S. Miller <davem@davemloft.net>2020-09-30 14:21:30 -0700
commitb6b6d6533a14b5ddcf9f9c5239fc3721fc6beda0 (patch)
tree3ebc44f6fa89883d9f46387b5e4337475790a1f8 /net/dccp
parent20c168be684a97b084525906eb7ed017b7f9c0b8 (diff)
downloadlinux-b6b6d6533a14b5ddcf9f9c5239fc3721fc6beda0.tar.gz
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 'net/dccp')
-rw-r--r--net/dccp/timer.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/net/dccp/timer.c b/net/dccp/timer.c
index 927c796d7682..a934d2932373 100644
--- a/net/dccp/timer.c
+++ b/net/dccp/timer.c
@@ -176,7 +176,6 @@ static void dccp_delack_timer(struct timer_list *t)
 	bh_lock_sock(sk);
 	if (sock_owned_by_user(sk)) {
 		/* Try again later. */
-		icsk->icsk_ack.blocked = 1;
 		__NET_INC_STATS(sock_net(sk), LINUX_MIB_DELAYEDACKLOCKED);
 		sk_reset_timer(sk, &icsk->icsk_delack_timer,
 			       jiffies + TCP_DELACK_MIN);