net: sched: convert qdisc linked list to hashtable

[mirror_ubuntu-artful-kernel.git] / net / sched / sch_generic.c

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index e95b67cd571844798de98dc4a97743ed89e0d37b..18faecc3f13e0f60f1ae7cbcff49115e825db42d 100644 (file)
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -423,7 +423,6 @@ struct Qdisc noop_qdisc = {
        .dequeue        =       noop_dequeue,
        .flags          =       TCQ_F_BUILTIN,
        .ops            =       &noop_qdisc_ops,
-       .list           =       LIST_HEAD_INIT(noop_qdisc.list),
        .q.lock         =       __SPIN_LOCK_UNLOCKED(noop_qdisc.q.lock),
        .dev_queue      =       &noop_netdev_queue,
        .running        =       SEQCNT_ZERO(noop_qdisc.running),
@@ -613,7 +612,6 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
                sch = (struct Qdisc *) QDISC_ALIGN((unsigned long) p);
                sch->padded = (char *) sch - (char *) p;
        }
-       INIT_LIST_HEAD(&sch->list);
        skb_queue_head_init(&sch->q);
 
        spin_lock_init(&sch->busylock);
@@ -700,7 +698,7 @@ void qdisc_destroy(struct Qdisc *qdisc)
                return;
 
 #ifdef CONFIG_NET_SCHED
-       qdisc_list_del(qdisc);
+       qdisc_hash_del(qdisc);
 
        qdisc_put_stab(rtnl_dereference(qdisc->stab));
 #endif
@@ -788,6 +786,10 @@ static void attach_default_qdiscs(struct net_device *dev)
                        qdisc->ops->attach(qdisc);
                }
        }
+#ifdef CONFIG_NET_SCHED
+       if (dev->qdisc)
+               qdisc_hash_add(dev->qdisc);
+#endif
 }
 
 static void transition_one_qdisc(struct net_device *dev,