rxrpc: Convert rxrpc_local::services to an hlist
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>
diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c
index 77a132a..f13cca1 100644
--- a/net/rxrpc/af_rxrpc.c
+++ b/net/rxrpc/af_rxrpc.c
@@ -156,13 +156,13 @@
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 @@
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 @@
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);
}