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rxrpc: Convert rxrpc_local::services to an hlist

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Convert the rxrpc_local::services list to an hlist so that it can be
accessed under RCU conditions more readily.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2016-09-08 11:10:11 +01:00
parent 18f1387c7d
commit de8d6c7401
5 changed files with 11 additions and 11 deletions
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10
net/rxrpc/af_rxrpc.c
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@@ -156,13 +156,13 @@ static int rxrpc_bind(struct socket *sock, struct sockaddr *saddr, int len)
if (rx->srx.srx_service) {
write_lock_bh(&local->services_lock);
list_for_each_entry(prx, &local->services, listen_link) {
hlist_for_each_entry(prx, &local->services, listen_link) {
if (prx->srx.srx_service == rx->srx.srx_service)
goto service_in_use;
}
rx->local = local;
list_add_tail(&rx->listen_link, &local->services);
hlist_add_head_rcu(&rx->listen_link, &local->services);
write_unlock_bh(&local->services_lock);
rx->sk.sk_state = RXRPC_SERVER_BOUND;
@@ -567,7 +567,7 @@ static int rxrpc_create(struct net *net, struct socket *sock, int protocol,
rx->family = protocol;
rx->calls = RB_ROOT;
INIT_LIST_HEAD(&rx->listen_link);
INIT_HLIST_NODE(&rx->listen_link);
INIT_LIST_HEAD(&rx->secureq);
INIT_LIST_HEAD(&rx->acceptq);
rwlock_init(&rx->call_lock);
@@ -615,9 +615,9 @@ static int rxrpc_release_sock(struct sock *sk)
ASSERTCMP(rx->listen_link.next, !=, LIST_POISON1);
if (!list_empty(&rx->listen_link)) {
if (!hlist_unhashed(&rx->listen_link)) {
write_lock_bh(&rx->local->services_lock);
list_del(&rx->listen_link);
hlist_del_rcu(&rx->listen_link);
write_unlock_bh(&rx->local->services_lock);
}