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[NET_SCHED]: Unline tcf_destroy

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Uninline tcf_destroy and add a helper function to destroy an entire filter
chain.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-03-23 11:29:43 -07:00 committed by David S. Miller
parent 3bebcda280
commit a48b5a6144
9 changed files with 30 additions and 78 deletions
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10
include/net/sch_generic.h
View File

@ -177,14 +177,8 @@ extern void qdisc_tree_decrease_qlen(struct Qdisc *qdisc, unsigned int n);
extern struct Qdisc *qdisc_alloc(struct net_device *dev, struct Qdisc_ops *ops);
extern struct Qdisc *qdisc_create_dflt(struct net_device *dev,
struct Qdisc_ops *ops, u32 parentid);
static inline void
tcf_destroy(struct tcf_proto *tp)
{
tp->ops->destroy(tp);
module_put(tp->ops->owner);
kfree(tp);
}
extern void tcf_destroy(struct tcf_proto *tp);
extern void tcf_destroy_chain(struct tcf_proto *fl);
static inline int __qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff_head *list)

18
net/sched/sch_api.c
View File

@ -1220,6 +1220,24 @@ reclassify:
return -1;
}
void tcf_destroy(struct tcf_proto *tp)
{
tp->ops->destroy(tp);
module_put(tp->ops->owner);
kfree(tp);
}
void tcf_destroy_chain(struct tcf_proto *fl)
{
struct tcf_proto *tp;
while ((tp = fl) != NULL) {
fl = tp->next;
tcf_destroy(tp);
}
}
EXPORT_SYMBOL(tcf_destroy_chain);
#ifdef CONFIG_PROC_FS
static int psched_show(struct seq_file *seq, void *v)
{

17
net/sched/sch_atm.c
View File

@ -158,19 +158,6 @@ static unsigned long atm_tc_bind_filter(struct Qdisc *sch,
return atm_tc_get(sch,classid);
}
static void destroy_filters(struct atm_flow_data *flow)
{
struct tcf_proto *filter;
while ((filter = flow->filter_list)) {
DPRINTK("destroy_filters: destroying filter %p\n",filter);
flow->filter_list = filter->next;
tcf_destroy(filter);
}
}
/*
* atm_tc_put handles all destructions, including the ones that are explicitly
* requested (atm_tc_destroy, etc.). The assumption here is that we never drop
@ -195,7 +182,7 @@ static void atm_tc_put(struct Qdisc *sch, unsigned long cl)
*prev = flow->next;
DPRINTK("atm_tc_put: qdisc %p\n",flow->q);
qdisc_destroy(flow->q);
destroy_filters(flow);
tcf_destroy_chain(flow->filter_list);
if (flow->sock) {
DPRINTK("atm_tc_put: f_count %d\n",
file_count(flow->sock->file));
@ -611,7 +598,7 @@ static void atm_tc_destroy(struct Qdisc *sch)
DPRINTK("atm_tc_destroy(sch %p,[qdisc %p])\n",sch,p);
/* races ? */
while ((flow = p->flows)) {
destroy_filters(flow);
tcf_destroy_chain(flow->filter_list);
if (flow->ref > 1)
printk(KERN_ERR "atm_destroy: %p->ref = %d\n",flow,
flow->ref);

14
net/sched/sch_cbq.c
View File

@ -1717,23 +1717,13 @@ static unsigned long cbq_get(struct Qdisc *sch, u32 classid)
return 0;
}
static void cbq_destroy_filters(struct cbq_class *cl)
{
struct tcf_proto *tp;
while ((tp = cl->filter_list) != NULL) {
cl->filter_list = tp->next;
tcf_destroy(tp);
}
}
static void cbq_destroy_class(struct Qdisc *sch, struct cbq_class *cl)
{
struct cbq_sched_data *q = qdisc_priv(sch);
BUG_TRAP(!cl->filters);
cbq_destroy_filters(cl);
tcf_destroy_chain(cl->filter_list);
qdisc_destroy(cl->q);
qdisc_put_rtab(cl->R_tab);
#ifdef CONFIG_NET_ESTIMATOR
@ -1760,7 +1750,7 @@ cbq_destroy(struct Qdisc* sch)
*/
for (h = 0; h < 16; h++)
for (cl = q->classes[h]; cl; cl = cl->next)
cbq_destroy_filters(cl);
tcf_destroy_chain(cl->filter_list);
for (h = 0; h < 16; h++) {
struct cbq_class *next;

8
net/sched/sch_dsmark.c
View File

@ -412,16 +412,10 @@ static void dsmark_reset(struct Qdisc *sch)
static void dsmark_destroy(struct Qdisc *sch)
{
struct dsmark_qdisc_data *p = PRIV(sch);
struct tcf_proto *tp;
DPRINTK("dsmark_destroy(sch %p,[qdisc %p])\n", sch, p);
while (p->filter_list) {
tp = p->filter_list;
p->filter_list = tp->next;
tcf_destroy(tp);
}
tcf_destroy_chain(p->filter_list);
qdisc_destroy(p->q);
kfree(p->mask);
}

13
net/sched/sch_hfsc.c
View File

@ -1121,23 +1121,12 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
return 0;
}
static void
hfsc_destroy_filters(struct tcf_proto **fl)
{
struct tcf_proto *tp;
while ((tp = *fl) != NULL) {
*fl = tp->next;
tcf_destroy(tp);
}
}
static void
hfsc_destroy_class(struct Qdisc *sch, struct hfsc_class *cl)
{
struct hfsc_sched *q = qdisc_priv(sch);
hfsc_destroy_filters(&cl->filter_list);
tcf_destroy_chain(cl->filter_list);
qdisc_destroy(cl->qdisc);
#ifdef CONFIG_NET_ESTIMATOR
gen_kill_estimator(&cl->bstats, &cl->rate_est);

14
net/sched/sch_htb.c
View File

@ -1236,16 +1236,6 @@ static unsigned long htb_get(struct Qdisc *sch, u32 classid)
return (unsigned long)cl;
}
static void htb_destroy_filters(struct tcf_proto **fl)
{
struct tcf_proto *tp;
while ((tp = *fl) != NULL) {
*fl = tp->next;
tcf_destroy(tp);
}
}
static inline int htb_parent_last_child(struct htb_class *cl)
{
if (!cl->parent)
@ -1289,7 +1279,7 @@ static void htb_destroy_class(struct Qdisc *sch, struct htb_class *cl)
qdisc_put_rtab(cl->rate);
qdisc_put_rtab(cl->ceil);
htb_destroy_filters(&cl->filter_list);
tcf_destroy_chain(cl->filter_list);
while (!list_empty(&cl->children))
htb_destroy_class(sch, list_entry(cl->children.next,
@ -1321,7 +1311,7 @@ static void htb_destroy(struct Qdisc *sch)
and surprisingly it worked in 2.4. But it must precede it
because filter need its target class alive to be able to call
unbind_filter on it (without Oops). */
htb_destroy_filters(&q->filter_list);
tcf_destroy_chain(q->filter_list);
while (!list_empty(&q->root))
htb_destroy_class(sch, list_entry(q->root.next,

7
net/sched/sch_ingress.c
View File

@ -346,14 +346,9 @@ static void ingress_reset(struct Qdisc *sch)
static void ingress_destroy(struct Qdisc *sch)
{
struct ingress_qdisc_data *p = PRIV(sch);
struct tcf_proto *tp;
DPRINTK("ingress_destroy(sch %p,[qdisc %p])\n", sch, p);
while (p->filter_list) {
tp = p->filter_list;
p->filter_list = tp->next;
tcf_destroy(tp);
}
tcf_destroy_chain(p->filter_list);
#if 0
/* for future use */
qdisc_destroy(p->q);

7
net/sched/sch_prio.c
View File

@ -189,13 +189,8 @@ prio_destroy(struct Qdisc* sch)
{
int prio;
struct prio_sched_data *q = qdisc_priv(sch);
struct tcf_proto *tp;
while ((tp = q->filter_list) != NULL) {
q->filter_list = tp->next;
tcf_destroy(tp);
}
tcf_destroy_chain(q->filter_list);
for (prio=0; prio<q->bands; prio++)
qdisc_destroy(q->queues[prio]);
}