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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
commit f30ab418a1
17 changed files with 4 additions and 394 deletions
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17
include/net/sch_generic.h
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@ -53,7 +53,6 @@ struct Qdisc
atomic_t refcnt;
unsigned long state;
struct sk_buff *gso_skb;
struct sk_buff_head requeue;
struct sk_buff_head q;
struct netdev_queue *dev_queue;
struct Qdisc *next_sched;
@ -112,7 +111,6 @@ struct Qdisc_ops
int (*enqueue)(struct sk_buff *, struct Qdisc *);
struct sk_buff * (*dequeue)(struct Qdisc *);
struct sk_buff * (*peek)(struct Qdisc *);
int (*requeue)(struct sk_buff *, struct Qdisc *);
unsigned int (*drop)(struct Qdisc *);
int (*init)(struct Qdisc *, struct nlattr *arg);
@ -467,21 +465,6 @@ static inline struct sk_buff *qdisc_dequeue_peeked(struct Qdisc *sch)
return skb;
}
static inline int __qdisc_requeue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff_head *list)
{
__skb_queue_head(list, skb);
sch->qstats.backlog += qdisc_pkt_len(skb);
sch->qstats.requeues++;
return NET_XMIT_SUCCESS;
}
static inline int qdisc_requeue(struct sk_buff *skb, struct Qdisc *sch)
{
return __qdisc_requeue(skb, sch, &sch->q);
}
static inline void __qdisc_reset_queue(struct Qdisc *sch,
struct sk_buff_head *list)
{