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pkt_sched: Remove 'dev' member of struct Qdisc.

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It can be obtained via the netdev_queue.  So create a helper routine,
qdisc_dev(), to make the transformations nicer looking.

Now, qdisc_alloc() now no longer needs a net_device pointer argument.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2008-07-08 17:06:30 -07:00
parent bb949fbd18
commit 5ce2d488fe
17 changed files with 93 additions and 92 deletions
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24
net/sched/sch_htb.c
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@@ -1026,7 +1026,7 @@ static int htb_init(struct Qdisc *sch, struct nlattr *opt)
qdisc_watchdog_init(&q->watchdog, sch);
skb_queue_head_init(&q->direct_queue);
q->direct_qlen = sch->dev->tx_queue_len;
q->direct_qlen = qdisc_dev(sch)->tx_queue_len;
if (q->direct_qlen < 2) /* some devices have zero tx_queue_len */
q->direct_qlen = 2;
@@ -1043,7 +1043,7 @@ static int htb_dump(struct Qdisc *sch, struct sk_buff *skb)
struct nlattr *nest;
struct tc_htb_glob gopt;
spin_lock_bh(&sch->dev->queue_lock);
spin_lock_bh(&qdisc_dev(sch)->queue_lock);
gopt.direct_pkts = q->direct_pkts;
gopt.version = HTB_VER;
@@ -1057,11 +1057,11 @@ static int htb_dump(struct Qdisc *sch, struct sk_buff *skb)
NLA_PUT(skb, TCA_HTB_INIT, sizeof(gopt), &gopt);
nla_nest_end(skb, nest);
spin_unlock_bh(&sch->dev->queue_lock);
spin_unlock_bh(&qdisc_dev(sch)->queue_lock);
return skb->len;
nla_put_failure:
spin_unlock_bh(&sch->dev->queue_lock);
spin_unlock_bh(&qdisc_dev(sch)->queue_lock);
nla_nest_cancel(skb, nest);
return -1;
}
@@ -1073,7 +1073,7 @@ static int htb_dump_class(struct Qdisc *sch, unsigned long arg,
struct nlattr *nest;
struct tc_htb_opt opt;
spin_lock_bh(&sch->dev->queue_lock);
spin_lock_bh(&qdisc_dev(sch)->queue_lock);
tcm->tcm_parent = cl->parent ? cl->parent->common.classid : TC_H_ROOT;
tcm->tcm_handle = cl->common.classid;
if (!cl->level && cl->un.leaf.q)
@@ -1095,11 +1095,11 @@ static int htb_dump_class(struct Qdisc *sch, unsigned long arg,
NLA_PUT(skb, TCA_HTB_PARMS, sizeof(opt), &opt);
nla_nest_end(skb, nest);
spin_unlock_bh(&sch->dev->queue_lock);
spin_unlock_bh(&qdisc_dev(sch)->queue_lock);
return skb->len;
nla_put_failure:
spin_unlock_bh(&sch->dev->queue_lock);
spin_unlock_bh(&qdisc_dev(sch)->queue_lock);
nla_nest_cancel(skb, nest);
return -1;
}
@@ -1129,7 +1129,7 @@ static int htb_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
if (cl && !cl->level) {
if (new == NULL &&
(new = qdisc_create_dflt(sch->dev, sch->dev_queue,
(new = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
&pfifo_qdisc_ops,
cl->common.classid))
== NULL)
@@ -1257,7 +1257,7 @@ static int htb_delete(struct Qdisc *sch, unsigned long arg)
return -EBUSY;
if (!cl->level && htb_parent_last_child(cl)) {
new_q = qdisc_create_dflt(sch->dev, sch->dev_queue,
new_q = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
&pfifo_qdisc_ops,
cl->parent->common.classid);
last_child = 1;
@@ -1365,7 +1365,7 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
goto failure;
gen_new_estimator(&cl->bstats, &cl->rate_est,
&sch->dev->queue_lock,
&qdisc_dev(sch)->queue_lock,
tca[TCA_RATE] ? : &est.nla);
cl->refcnt = 1;
cl->children = 0;
@@ -1378,7 +1378,7 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
/* create leaf qdisc early because it uses kmalloc(GFP_KERNEL)
so that can't be used inside of sch_tree_lock
-- thanks to Karlis Peisenieks */
new_q = qdisc_create_dflt(sch->dev, sch->dev_queue,
new_q = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
&pfifo_qdisc_ops, classid);
sch_tree_lock(sch);
if (parent && !parent->level) {
@@ -1420,7 +1420,7 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
} else {
if (tca[TCA_RATE])
gen_replace_estimator(&cl->bstats, &cl->rate_est,
&sch->dev->queue_lock,
&qdisc_dev(sch)->queue_lock,
tca[TCA_RATE]);
sch_tree_lock(sch);
}