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pkt_sched: Kill stats_lock member of struct Qdisc. 

It is always equal to qdisc->dev_queue->lock

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-07-08 22:57:31 -07:00
parent 816f3258e7
commit 68dfb42798
3 changed files with 4 additions and 7 deletions
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1
include/net/sch_generic.h
View File

@ -43,7 +43,6 @@ struct Qdisc
struct gnet_stats_basic bstats;
struct gnet_stats_queue qstats;
struct gnet_stats_rate_est rate_est;
spinlock_t *stats_lock;
struct rcu_head q_rcu;
int (*reshape_fail)(struct sk_buff *skb,
struct Qdisc *q);

9
net/sched/sch_api.c
View File

@ -604,7 +604,6 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
sch->parent = parent;
sch->stats_lock = &dev_queue->lock;
if (handle == TC_H_INGRESS) {
sch->flags |= TCQ_F_INGRESS;
handle = TC_H_MAKE(TC_H_INGRESS, 0);
@ -622,7 +621,7 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
if (!ops->init || (err = ops->init(sch, tca[TCA_OPTIONS])) == 0) {
if (tca[TCA_RATE]) {
err = gen_new_estimator(&sch->bstats, &sch->rate_est,
sch->stats_lock,
&sch->dev_queue->lock,
tca[TCA_RATE]);
if (err) {
/*
@ -664,7 +663,7 @@ static int qdisc_change(struct Qdisc *sch, struct nlattr **tca)
}
if (tca[TCA_RATE])
gen_replace_estimator(&sch->bstats, &sch->rate_est,
sch->stats_lock, tca[TCA_RATE]);
&sch->dev_queue->lock, tca[TCA_RATE]);
return 0;
}
@ -954,7 +953,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
q->qstats.qlen = q->q.qlen;
if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS,
TCA_XSTATS, q->stats_lock, &d) < 0)
TCA_XSTATS, &q->dev_queue->lock, &d) < 0)
goto nla_put_failure;
if (q->ops->dump_stats && q->ops->dump_stats(q, &d) < 0)
@ -1203,7 +1202,7 @@ static int tc_fill_tclass(struct sk_buff *skb, struct Qdisc *q,
goto nla_put_failure;
if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS,
TCA_XSTATS, q->stats_lock, &d) < 0)
TCA_XSTATS, &q->dev_queue->lock, &d) < 0)
goto nla_put_failure;
if (cl_ops->dump_stats && cl_ops->dump_stats(q, cl, &d) < 0)

1
net/sched/sch_generic.c
View File

@ -484,7 +484,6 @@ struct Qdisc * qdisc_create_dflt(struct net_device *dev,
sch = qdisc_alloc(dev_queue, ops);
if (IS_ERR(sch))
goto errout;
sch->stats_lock = &dev_queue->lock;
sch->parent = parentid;
if (!ops->init || ops->init(sch, NULL) == 0)