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authorIngo Molnar <mingo@elte.hu>2009-04-06 09:02:57 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-06 09:02:57 +0200
commitf541ae326fa120fa5c57433e4d9a133df212ce41 (patch)
treebdbd94ec72cfc601118051cb35e8617d55510177 /net/ipv4/inet_hashtables.c
parente255357764f92afcafafbd4879b222b8c752065a (diff)
parent0221c81b1b8eb0cbb6b30a0ced52ead32d2b4e4c (diff)
Merge branch 'linus' into perfcounters/core-v2
Merge reason: we have gathered quite a few conflicts, need to merge upstream Conflicts: arch/powerpc/kernel/Makefile arch/x86/ia32/ia32entry.S arch/x86/include/asm/hardirq.h arch/x86/include/asm/unistd_32.h arch/x86/include/asm/unistd_64.h arch/x86/kernel/cpu/common.c arch/x86/kernel/irq.c arch/x86/kernel/syscall_table_32.S arch/x86/mm/iomap_32.c include/linux/sched.h kernel/Makefile Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/ipv4/inet_hashtables.c')
-rw-r--r--net/ipv4/inet_hashtables.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 6a1045da48d2..625cc5f64c94 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -38,6 +38,7 @@ struct inet_bind_bucket *inet_bind_bucket_create(struct kmem_cache *cachep,
write_pnet(&tb->ib_net, hold_net(net));
tb->port = snum;
tb->fastreuse = 0;
+ tb->num_owners = 0;
INIT_HLIST_HEAD(&tb->owners);
hlist_add_head(&tb->node, &head->chain);
}
@@ -59,8 +60,13 @@ void inet_bind_bucket_destroy(struct kmem_cache *cachep, struct inet_bind_bucket
void inet_bind_hash(struct sock *sk, struct inet_bind_bucket *tb,
const unsigned short snum)
{
+ struct inet_hashinfo *hashinfo = sk->sk_prot->h.hashinfo;
+
+ atomic_inc(&hashinfo->bsockets);
+
inet_sk(sk)->num = snum;
sk_add_bind_node(sk, &tb->owners);
+ tb->num_owners++;
inet_csk(sk)->icsk_bind_hash = tb;
}
@@ -75,9 +81,12 @@ static void __inet_put_port(struct sock *sk)
struct inet_bind_hashbucket *head = &hashinfo->bhash[bhash];
struct inet_bind_bucket *tb;
+ atomic_dec(&hashinfo->bsockets);
+
spin_lock(&head->lock);
tb = inet_csk(sk)->icsk_bind_hash;
__sk_del_bind_node(sk);
+ tb->num_owners--;
inet_csk(sk)->icsk_bind_hash = NULL;
inet_sk(sk)->num = 0;
inet_bind_bucket_destroy(hashinfo->bind_bucket_cachep, tb);
@@ -444,9 +453,9 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row,
*/
inet_bind_bucket_for_each(tb, node, &head->chain) {
if (ib_net(tb) == net && tb->port == port) {
- WARN_ON(hlist_empty(&tb->owners));
if (tb->fastreuse >= 0)
goto next_port;
+ WARN_ON(hlist_empty(&tb->owners));
if (!check_established(death_row, sk,
port, &tw))
goto ok;
@@ -523,6 +532,7 @@ void inet_hashinfo_init(struct inet_hashinfo *h)
{
int i;
+ atomic_set(&h->bsockets, 0);
for (i = 0; i < INET_LHTABLE_SIZE; i++) {
spin_lock_init(&h->listening_hash[i].lock);
INIT_HLIST_NULLS_HEAD(&h->listening_hash[i].head,