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Message-Id: <1287270248-13190-1-git-send-email-xiaosuo@gmail.com>
Date: Sun, 17 Oct 2010 07:04:08 +0800
From: Changli Gao <xiaosuo@...il.com>
To: "David S. Miller" <davem@...emloft.net>
Cc: Jamal Hadi Salim <hadi@...erus.ca>,
Stephen Hemminger <shemminger@...ux-foundation.org>,
netdev@...r.kernel.org, netem@...ts.linux-foundation.org,
Changli Gao <xiaosuo@...il.com>
Subject: [PATCH] net_sched: remove the unused parameter of qdisc_create_dflt()
The first parameter dev isn't in use in qdisc_create_dflt().
Signed-off-by: Changli Gao <xiaosuo@...il.com>
---
include/net/sch_generic.h | 3 +--
net/sched/sch_atm.c | 5 ++---
net/sched/sch_cbq.c | 12 ++++++------
net/sched/sch_drr.c | 4 ++--
net/sched/sch_dsmark.c | 6 ++----
net/sched/sch_fifo.c | 3 +--
net/sched/sch_generic.c | 10 ++++------
net/sched/sch_hfsc.c | 8 +++-----
net/sched/sch_htb.c | 8 +++-----
net/sched/sch_mq.c | 2 +-
net/sched/sch_multiq.c | 3 +--
net/sched/sch_netem.c | 3 +--
net/sched/sch_prio.c | 2 +-
13 files changed, 28 insertions(+), 41 deletions(-)
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index eda8808..ea1f8a8 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -328,8 +328,7 @@ extern void qdisc_destroy(struct Qdisc *qdisc);
extern void qdisc_tree_decrease_qlen(struct Qdisc *qdisc, unsigned int n);
extern struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
struct Qdisc_ops *ops);
-extern struct Qdisc *qdisc_create_dflt(struct net_device *dev,
- struct netdev_queue *dev_queue,
+extern struct Qdisc *qdisc_create_dflt(struct netdev_queue *dev_queue,
struct Qdisc_ops *ops, u32 parentid);
extern void qdisc_calculate_pkt_len(struct sk_buff *skb,
struct qdisc_size_table *stab);
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 6318e11..2825407 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -275,8 +275,7 @@ static int atm_tc_change(struct Qdisc *sch, u32 classid, u32 parent,
goto err_out;
}
flow->filter_list = NULL;
- flow->q = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
- &pfifo_qdisc_ops, classid);
+ flow->q = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops, classid);
if (!flow->q)
flow->q = &noop_qdisc;
pr_debug("atm_tc_change: qdisc %p\n", flow->q);
@@ -543,7 +542,7 @@ static int atm_tc_init(struct Qdisc *sch, struct nlattr *opt)
INIT_LIST_HEAD(&p->flows);
INIT_LIST_HEAD(&p->link.list);
list_add(&p->link.list, &p->flows);
- p->link.q = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
+ p->link.q = qdisc_create_dflt(sch->dev_queue,
&pfifo_qdisc_ops, sch->handle);
if (!p->link.q)
p->link.q = &noop_qdisc;
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 28c01ef..eb76315 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1379,9 +1379,9 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt)
q->link.sibling = &q->link;
q->link.common.classid = sch->handle;
q->link.qdisc = sch;
- if (!(q->link.q = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
- &pfifo_qdisc_ops,
- sch->handle)))
+ q->link.q = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,
+ sch->handle);
+ if (!q->link.q)
q->link.q = &noop_qdisc;
q->link.priority = TC_CBQ_MAXPRIO-1;
@@ -1623,7 +1623,7 @@ static int cbq_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
struct cbq_class *cl = (struct cbq_class*)arg;
if (new == NULL) {
- new = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
+ new = qdisc_create_dflt(sch->dev_queue,
&pfifo_qdisc_ops, cl->common.classid);
if (new == NULL)
return -ENOBUFS;
@@ -1874,8 +1874,8 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **t
cl->R_tab = rtab;
rtab = NULL;
cl->refcnt = 1;
- if (!(cl->q = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
- &pfifo_qdisc_ops, classid)))
+ cl->q = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops, classid);
+ if (!cl->q)
cl->q = &noop_qdisc;
cl->common.classid = classid;
cl->tparent = parent;
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index b74046a..aa8b531 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -110,7 +110,7 @@ static int drr_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
cl->refcnt = 1;
cl->common.classid = classid;
cl->quantum = quantum;
- cl->qdisc = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
+ cl->qdisc = qdisc_create_dflt(sch->dev_queue,
&pfifo_qdisc_ops, classid);
if (cl->qdisc == NULL)
cl->qdisc = &noop_qdisc;
@@ -218,7 +218,7 @@ static int drr_graft_class(struct Qdisc *sch, unsigned long arg,
struct drr_class *cl = (struct drr_class *)arg;
if (new == NULL) {
- new = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
+ new = qdisc_create_dflt(sch->dev_queue,
&pfifo_qdisc_ops, cl->common.classid);
if (new == NULL)
new = &noop_qdisc;
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index 63d41f8..1d295d6 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -61,8 +61,7 @@ static int dsmark_graft(struct Qdisc *sch, unsigned long arg,
sch, p, new, old);
if (new == NULL) {
- new = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
- &pfifo_qdisc_ops,
+ new = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,
sch->handle);
if (new == NULL)
new = &noop_qdisc;
@@ -384,8 +383,7 @@ static int dsmark_init(struct Qdisc *sch, struct nlattr *opt)
p->default_index = default_index;
p->set_tc_index = nla_get_flag(tb[TCA_DSMARK_SET_TC_INDEX]);
- p->q = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
- &pfifo_qdisc_ops, sch->handle);
+ p->q = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops, sch->handle);
if (p->q == NULL)
p->q = &noop_qdisc;
diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c
index 5948baf..4dfecb0 100644
--- a/net/sched/sch_fifo.c
+++ b/net/sched/sch_fifo.c
@@ -172,8 +172,7 @@ struct Qdisc *fifo_create_dflt(struct Qdisc *sch, struct Qdisc_ops *ops,
struct Qdisc *q;
int err = -ENOMEM;
- q = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
- ops, TC_H_MAKE(sch->handle, 1));
+ q = qdisc_create_dflt(sch->dev_queue, ops, TC_H_MAKE(sch->handle, 1));
if (q) {
err = fifo_set_limit(q, limit);
if (err < 0) {
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 3d57681..2a95272 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -574,10 +574,8 @@ errout:
return ERR_PTR(err);
}
-struct Qdisc * qdisc_create_dflt(struct net_device *dev,
- struct netdev_queue *dev_queue,
- struct Qdisc_ops *ops,
- unsigned int parentid)
+struct Qdisc *qdisc_create_dflt(struct netdev_queue *dev_queue,
+ struct Qdisc_ops *ops, unsigned int parentid)
{
struct Qdisc *sch;
@@ -682,7 +680,7 @@ static void attach_one_default_qdisc(struct net_device *dev,
struct Qdisc *qdisc;
if (dev->tx_queue_len) {
- qdisc = qdisc_create_dflt(dev, dev_queue,
+ qdisc = qdisc_create_dflt(dev_queue,
&pfifo_fast_ops, TC_H_ROOT);
if (!qdisc) {
printk(KERN_INFO "%s: activation failed\n", dev->name);
@@ -709,7 +707,7 @@ static void attach_default_qdiscs(struct net_device *dev)
dev->qdisc = txq->qdisc_sleeping;
atomic_inc(&dev->qdisc->refcnt);
} else {
- qdisc = qdisc_create_dflt(dev, txq, &mq_qdisc_ops, TC_H_ROOT);
+ qdisc = qdisc_create_dflt(txq, &mq_qdisc_ops, TC_H_ROOT);
if (qdisc) {
qdisc->ops->attach(qdisc);
dev->qdisc = qdisc;
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 4749609..069c62b 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1088,7 +1088,7 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
cl->refcnt = 1;
cl->sched = q;
cl->cl_parent = parent;
- cl->qdisc = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
+ cl->qdisc = qdisc_create_dflt(sch->dev_queue,
&pfifo_qdisc_ops, classid);
if (cl->qdisc == NULL)
cl->qdisc = &noop_qdisc;
@@ -1209,8 +1209,7 @@ hfsc_graft_class(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
if (cl->level > 0)
return -EINVAL;
if (new == NULL) {
- new = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
- &pfifo_qdisc_ops,
+ new = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,
cl->cl_common.classid);
if (new == NULL)
new = &noop_qdisc;
@@ -1452,8 +1451,7 @@ hfsc_init_qdisc(struct Qdisc *sch, struct nlattr *opt)
q->root.cl_common.classid = sch->handle;
q->root.refcnt = 1;
q->root.sched = q;
- q->root.qdisc = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
- &pfifo_qdisc_ops,
+ q->root.qdisc = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,
sch->handle);
if (q->root.qdisc == NULL)
q->root.qdisc = &noop_qdisc;
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 87d9449..01b519d 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1121,8 +1121,7 @@ static int htb_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
if (cl->level)
return -EINVAL;
if (new == NULL &&
- (new = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
- &pfifo_qdisc_ops,
+ (new = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,
cl->common.classid)) == NULL)
return -ENOBUFS;
@@ -1247,8 +1246,7 @@ 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(qdisc_dev(sch), sch->dev_queue,
- &pfifo_qdisc_ops,
+ new_q = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,
cl->parent->common.classid);
last_child = 1;
}
@@ -1377,7 +1375,7 @@ 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(qdisc_dev(sch), sch->dev_queue,
+ new_q = qdisc_create_dflt(sch->dev_queue,
&pfifo_qdisc_ops, classid);
sch_tree_lock(sch);
if (parent && !parent->level) {
diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c
index fe91e50..ecc302f 100644
--- a/net/sched/sch_mq.c
+++ b/net/sched/sch_mq.c
@@ -56,7 +56,7 @@ static int mq_init(struct Qdisc *sch, struct nlattr *opt)
for (ntx = 0; ntx < dev->num_tx_queues; ntx++) {
dev_queue = netdev_get_tx_queue(dev, ntx);
- qdisc = qdisc_create_dflt(dev, dev_queue, &pfifo_fast_ops,
+ qdisc = qdisc_create_dflt(dev_queue, &pfifo_fast_ops,
TC_H_MAKE(TC_H_MAJ(sch->handle),
TC_H_MIN(ntx + 1)));
if (qdisc == NULL)
diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
index 6ae2512..32690de 100644
--- a/net/sched/sch_multiq.c
+++ b/net/sched/sch_multiq.c
@@ -227,8 +227,7 @@ static int multiq_tune(struct Qdisc *sch, struct nlattr *opt)
for (i = 0; i < q->bands; i++) {
if (q->queues[i] == &noop_qdisc) {
struct Qdisc *child, *old;
- child = qdisc_create_dflt(qdisc_dev(sch),
- sch->dev_queue,
+ child = qdisc_create_dflt(sch->dev_queue,
&pfifo_qdisc_ops,
TC_H_MAKE(sch->handle,
i + 1));
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 4714ff1..e5593c0 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -538,8 +538,7 @@ static int netem_init(struct Qdisc *sch, struct nlattr *opt)
qdisc_watchdog_init(&q->watchdog, sch);
- q->qdisc = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
- &tfifo_qdisc_ops,
+ q->qdisc = qdisc_create_dflt(sch->dev_queue, &tfifo_qdisc_ops,
TC_H_MAKE(sch->handle, 1));
if (!q->qdisc) {
pr_debug("netem: qdisc create failed\n");
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 0748fb1..b1c95bc 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -200,7 +200,7 @@ static int prio_tune(struct Qdisc *sch, struct nlattr *opt)
for (i=0; i<q->bands; i++) {
if (q->queues[i] == &noop_qdisc) {
struct Qdisc *child, *old;
- child = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
+ child = qdisc_create_dflt(sch->dev_queue,
&pfifo_qdisc_ops,
TC_H_MAKE(sch->handle, i + 1));
if (child) {
--
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