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pkt_sched: Remove qdisc->ops->requeue() etc.

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After implementing qdisc->ops->peek() and changing sch_netem into
classless qdisc there are no more qdisc->ops->requeue() users. This
patch removes this method with its wrappers (qdisc_requeue()), and
also unused qdisc->requeue structure. There are a few minor fixes of
warnings (htb_enqueue()) and comments btw.

The idea to kill ->requeue() and a similar patch were first developed
by David S. Miller.

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jarek Poplawski
2008-11-13 22:56:30 -08:00
committed by David S. Miller
parent 38a7ddffa4
commit f30ab418a1
17 changed files with 4 additions and 394 deletions
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20
net/sched/sch_atm.c
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@@ -62,7 +62,7 @@ struct atm_qdisc_data {
struct atm_flow_data link; /* unclassified skbs go here */
struct atm_flow_data *flows; /* NB: "link" is also on this
list */
struct tasklet_struct task; /* requeue tasklet */
struct tasklet_struct task; /* dequeue tasklet */
};
/* ------------------------- Class/flow operations ------------------------- */
@@ -534,23 +534,6 @@ static struct sk_buff *atm_tc_peek(struct Qdisc *sch)
return p->link.q->ops->peek(p->link.q);
}
static int atm_tc_requeue(struct sk_buff *skb, struct Qdisc *sch)
{
struct atm_qdisc_data *p = qdisc_priv(sch);
int ret;
pr_debug("atm_tc_requeue(skb %p,sch %p,[qdisc %p])\n", skb, sch, p);
ret = p->link.q->ops->requeue(skb, p->link.q);
if (!ret) {
sch->q.qlen++;
sch->qstats.requeues++;
} else if (net_xmit_drop_count(ret)) {
sch->qstats.drops++;
p->link.qstats.drops++;
}
return ret;
}
static unsigned int atm_tc_drop(struct Qdisc *sch)
{
struct atm_qdisc_data *p = qdisc_priv(sch);
@@ -707,7 +690,6 @@ static struct Qdisc_ops atm_qdisc_ops __read_mostly = {
.enqueue = atm_tc_enqueue,
.dequeue = atm_tc_dequeue,
.peek = atm_tc_peek,
.requeue = atm_tc_requeue,
.drop = atm_tc_drop,
.init = atm_tc_init,
.reset = atm_tc_reset,