X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=net%2Fsched%2Fsch_api.c;h=b16ad2972c6b527dc2013a5dfb4108ad35ef8197;hb=15adc048986f6b54b6044f2b6fc4b48f49413e2f;hp=e7fb9e0d21b48a2949d846c61b9c775a535bcd24;hpb=fd9470ce3ac6fb54d6026e4b1cdab0936e34805e;p=linux-2.6-block.git

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index e7fb9e0d21b4..b16ad2972c6b 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -624,7 +624,7 @@ static struct Qdisc *dev_graft_qdisc(struct netdev_queue *dev_queue,
 	struct Qdisc *oqdisc = dev_queue->qdisc_sleeping;
 	spinlock_t *root_lock;
 
-	root_lock = qdisc_root_lock(oqdisc);
+	root_lock = qdisc_lock(oqdisc);
 	spin_lock_bh(root_lock);
 
 	/* Prune old scheduler */
@@ -635,7 +635,7 @@ static struct Qdisc *dev_graft_qdisc(struct netdev_queue *dev_queue,
 	if (qdisc == NULL)
 		qdisc = &noop_qdisc;
 	dev_queue->qdisc_sleeping = qdisc;
-	dev_queue->qdisc = &noop_qdisc;
+	rcu_assign_pointer(dev_queue->qdisc, &noop_qdisc);
 
 	spin_unlock_bh(root_lock);
 
@@ -764,7 +764,7 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
 	struct qdisc_size_table *stab;
 
 	ops = qdisc_lookup_ops(kind);
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
 	if (ops == NULL && kind != NULL) {
 		char name[IFNAMSIZ];
 		if (nla_strlcpy(name, kind, IFNAMSIZ) < IFNAMSIZ) {
@@ -830,9 +830,16 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
 			sch->stab = stab;
 		}
 		if (tca[TCA_RATE]) {
+			spinlock_t *root_lock;
+
+			if ((sch->parent != TC_H_ROOT) &&
+			    !(sch->flags & TCQ_F_INGRESS))
+				root_lock = qdisc_root_sleeping_lock(sch);
+			else
+				root_lock = qdisc_lock(sch);
+
 			err = gen_new_estimator(&sch->bstats, &sch->rate_est,
-						qdisc_root_lock(sch),
-						tca[TCA_RATE]);
+						root_lock, tca[TCA_RATE]);
 			if (err) {
 				/*
 				 * Any broken qdiscs that would require
@@ -884,7 +891,8 @@ static int qdisc_change(struct Qdisc *sch, struct nlattr **tca)
 
 	if (tca[TCA_RATE])
 		gen_replace_estimator(&sch->bstats, &sch->rate_est,
-				      qdisc_root_lock(sch), tca[TCA_RATE]);
+				      qdisc_root_sleeping_lock(sch),
+				      tca[TCA_RATE]);
 	return 0;
 }
 
@@ -1161,8 +1169,8 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
 	if (q->stab && qdisc_dump_stab(skb, q->stab) < 0)
 		goto nla_put_failure;
 
-	if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS,
-					 TCA_XSTATS, qdisc_root_lock(q), &d) < 0)
+	if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS, TCA_XSTATS,
+					 qdisc_root_sleeping_lock(q), &d) < 0)
 		goto nla_put_failure;
 
 	if (q->ops->dump_stats && q->ops->dump_stats(q, &d) < 0)
@@ -1453,8 +1461,8 @@ static int tc_fill_tclass(struct sk_buff *skb, struct Qdisc *q,
 	if (cl_ops->dump && cl_ops->dump(q, cl, skb, tcm) < 0)
 		goto nla_put_failure;
 
-	if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS,
-					 TCA_XSTATS, qdisc_root_lock(q), &d) < 0)
+	if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS, TCA_XSTATS,
+					 qdisc_root_sleeping_lock(q), &d) < 0)
 		goto nla_put_failure;
 
 	if (cl_ops->dump_stats && cl_ops->dump_stats(q, cl, &d) < 0)