summaryrefslogtreecommitdiffstats
path: root/net/sched/sch_api.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/sched/sch_api.c')
-rw-r--r--net/sched/sch_api.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index e7fb9e0d21b4..1122c952aa99 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);
@@ -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)
OpenPOWER on IntegriCloud