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net: inet: Remove count from inet_listen_hashbucket

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After commit 0ee58dad5b ("net: tcp6: prefer listeners bound to an address")
and commit d9fbc7f643 ("net: tcp: prefer listeners bound to an address"),
the count is no longer used.  This patch removes it.

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Martin KaFai Lau 2022-05-11 17:05:52 -07:00 committed by Jakub Kicinski
parent 0c1822d907
commit 8ea1eebb49
2 changed files with 0 additions and 7 deletions
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1
include/net/inet_hashtables.h
View file

@ -111,7 +111,6 @@ struct inet_bind_hashbucket {
#define LISTENING_NULLS_BASE (1U << 29)
struct inet_listen_hashbucket {
spinlock_t lock;
unsigned int count;
union {
struct hlist_head head;
struct hlist_nulls_head nulls_head;

6
net/ipv4/inet_hashtables.c
View file

@ -209,7 +209,6 @@ static void inet_hash2(struct inet_hashinfo *h, struct sock *sk)
else
hlist_add_head_rcu(&inet_csk(sk)->icsk_listen_portaddr_node,
&ilb2->head);
ilb2->count++;
spin_unlock(&ilb2->lock);
}
@ -225,7 +224,6 @@ static void inet_unhash2(struct inet_hashinfo *h, struct sock *sk)
spin_lock(&ilb2->lock);
hlist_del_init_rcu(&inet_csk(sk)->icsk_listen_portaddr_node);
ilb2->count--;
spin_unlock(&ilb2->lock);
}
@ -657,7 +655,6 @@ int __inet_hash(struct sock *sk, struct sock *osk)
else
__sk_nulls_add_node_rcu(sk, &ilb->nulls_head);
inet_hash2(hashinfo, sk);
ilb->count++;
sock_set_flag(sk, SOCK_RCU_FREE);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
unlock:
@ -689,7 +686,6 @@ static void __inet_unhash(struct sock *sk, struct inet_listen_hashbucket *ilb)
struct inet_hashinfo *hashinfo = sk->sk_prot->h.hashinfo;
inet_unhash2(hashinfo, sk);
ilb->count--;
}
__sk_nulls_del_node_init_rcu(sk);
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
@ -882,7 +878,6 @@ void inet_hashinfo_init(struct inet_hashinfo *h)
spin_lock_init(&h->listening_hash[i].lock);
INIT_HLIST_NULLS_HEAD(&h->listening_hash[i].nulls_head,
i + LISTENING_NULLS_BASE);
h->listening_hash[i].count = 0;
}
h->lhash2 = NULL;
@ -896,7 +891,6 @@ static void init_hashinfo_lhash2(struct inet_hashinfo *h)
for (i = 0; i <= h->lhash2_mask; i++) {
spin_lock_init(&h->lhash2[i].lock);
INIT_HLIST_HEAD(&h->lhash2[i].head);
h->lhash2[i].count = 0;
}
}