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WSL2-Linux-Kernel
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ipv4/route: arg delay is useless in rt_cache_flush() 

Since route cache deletion (89aef8921b), delay is no
more used. Remove it.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2012-09-07 00:45:29 +00:00 коммит произвёл David S. Miller
Родитель a1f6d8f771
Коммит bafa6d9d89
7 изменённых файлов: 22 добавлений и 35 удалений
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2
include/net/route.h
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@ -108,7 +108,7 @@ extern struct ip_rt_acct __percpu *ip_rt_acct;
struct in_device;
extern int ip_rt_init(void);
extern void rt_cache_flush(struct net *net, int how);
extern void rt_cache_flush(struct net *net);
extern void rt_flush_dev(struct net_device *dev);
extern struct rtable *__ip_route_output_key(struct net *, struct flowi4 *flp);
extern struct rtable *ip_route_output_flow(struct net *, struct flowi4 *flp,

2
net/ipv4/arp.c
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@ -1225,7 +1225,7 @@ static int arp_netdev_event(struct notifier_block *this, unsigned long event,
switch (event) {
case NETDEV_CHANGEADDR:
neigh_changeaddr(&arp_tbl, dev);
rt_cache_flush(dev_net(dev), 0);
rt_cache_flush(dev_net(dev));
break;
default:
break;

6
net/ipv4/devinet.c
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@ -1503,7 +1503,7 @@ static int devinet_conf_proc(ctl_table *ctl, int write,
if (i == IPV4_DEVCONF_ACCEPT_LOCAL - 1 ||
i == IPV4_DEVCONF_ROUTE_LOCALNET - 1)
if ((new_value == 0) && (old_value != 0))
rt_cache_flush(net, 0);
rt_cache_flush(net);
}
return ret;
@ -1537,7 +1537,7 @@ static int devinet_sysctl_forward(ctl_table *ctl, int write,
dev_disable_lro(idev->dev);
}
rtnl_unlock();
rt_cache_flush(net, 0);
rt_cache_flush(net);
}
}
@ -1554,7 +1554,7 @@ static int ipv4_doint_and_flush(ctl_table *ctl, int write,
struct net *net = ctl->extra2;
if (write && *valp != val)
rt_cache_flush(net, 0);
rt_cache_flush(net);
return ret;
}

20
net/ipv4/fib_frontend.c
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@ -148,7 +148,7 @@ static void fib_flush(struct net *net)
}
if (flushed)
rt_cache_flush(net, -1);
rt_cache_flush(net);
}
/*
@ -999,11 +999,11 @@ static void nl_fib_lookup_exit(struct net *net)
net->ipv4.fibnl = NULL;
}
static void fib_disable_ip(struct net_device *dev, int force, int delay)
static void fib_disable_ip(struct net_device *dev, int force)
{
if (fib_sync_down_dev(dev, force))
fib_flush(dev_net(dev));
rt_cache_flush(dev_net(dev), delay);
rt_cache_flush(dev_net(dev));
arp_ifdown(dev);
}
@ -1020,7 +1020,7 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
fib_sync_up(dev);
#endif
atomic_inc(&net->ipv4.dev_addr_genid);
rt_cache_flush(dev_net(dev), -1);
rt_cache_flush(dev_net(dev));
break;
case NETDEV_DOWN:
fib_del_ifaddr(ifa, NULL);
@ -1029,9 +1029,9 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
/* Last address was deleted from this interface.
* Disable IP.
*/
fib_disable_ip(dev, 1, 0);
fib_disable_ip(dev, 1);
} else {
rt_cache_flush(dev_net(dev), -1);
rt_cache_flush(dev_net(dev));
}
break;
}
@ -1045,7 +1045,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
struct net *net = dev_net(dev);
if (event == NETDEV_UNREGISTER) {
fib_disable_ip(dev, 2, -1);
fib_disable_ip(dev, 2);
rt_flush_dev(dev);
return NOTIFY_DONE;
}
@ -1062,14 +1062,14 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
fib_sync_up(dev);
#endif
atomic_inc(&net->ipv4.dev_addr_genid);
rt_cache_flush(dev_net(dev), -1);
rt_cache_flush(dev_net(dev));
break;
case NETDEV_DOWN:
fib_disable_ip(dev, 0, 0);
fib_disable_ip(dev, 0);
break;
case NETDEV_CHANGEMTU:
case NETDEV_CHANGE:
rt_cache_flush(dev_net(dev), 0);
rt_cache_flush(dev_net(dev));
break;
case NETDEV_UNREGISTER_BATCH:
break;

2
net/ipv4/fib_rules.c
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@ -259,7 +259,7 @@ static size_t fib4_rule_nlmsg_payload(struct fib_rule *rule)
static void fib4_rule_flush_cache(struct fib_rules_ops *ops)
{
rt_cache_flush(ops->fro_net, -1);
rt_cache_flush(ops->fro_net);
}
static const struct fib_rules_ops __net_initdata fib4_rules_ops_template = {

6
net/ipv4/fib_trie.c
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@ -1286,7 +1286,7 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
fib_release_info(fi_drop);
if (state & FA_S_ACCESSED)
rt_cache_flush(cfg->fc_nlinfo.nl_net, -1);
rt_cache_flush(cfg->fc_nlinfo.nl_net);
rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen,
tb->tb_id, &cfg->fc_nlinfo, NLM_F_REPLACE);
@ -1333,7 +1333,7 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
list_add_tail_rcu(&new_fa->fa_list,
(fa ? &fa->fa_list : fa_head));
rt_cache_flush(cfg->fc_nlinfo.nl_net, -1);
rt_cache_flush(cfg->fc_nlinfo.nl_net);
rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen, tb->tb_id,
&cfg->fc_nlinfo, 0);
succeeded:
@ -1708,7 +1708,7 @@ int fib_table_delete(struct fib_table *tb, struct fib_config *cfg)
trie_leaf_remove(t, l);
if (fa->fa_state & FA_S_ACCESSED)
rt_cache_flush(cfg->fc_nlinfo.nl_net, -1);
rt_cache_flush(cfg->fc_nlinfo.nl_net);
fib_release_info(fa->fa_info);
alias_free_mem_rcu(fa);

19
net/ipv4/route.c
Просмотреть файл

@ -461,11 +461,7 @@ static void rt_cache_invalidate(struct net *net)
atomic_add(shuffle + 1U, &net->ipv4.rt_genid);
}
/*
* delay < 0 : invalidate cache (fast : entries will be deleted later)
* delay >= 0 : invalidate & flush cache (can be long)
*/
void rt_cache_flush(struct net *net, int delay)
void rt_cache_flush(struct net *net)
{
rt_cache_invalidate(net);
}
@ -2345,7 +2341,7 @@ int ip_rt_dump(struct sk_buff *skb, struct netlink_callback *cb)
void ip_rt_multicast_event(struct in_device *in_dev)
{
rt_cache_flush(dev_net(in_dev->dev), 0);
rt_cache_flush(dev_net(in_dev->dev));
}
#ifdef CONFIG_SYSCTL
@ -2354,16 +2350,7 @@ static int ipv4_sysctl_rtcache_flush(ctl_table *__ctl, int write,
size_t *lenp, loff_t *ppos)
{
if (write) {
int flush_delay;
ctl_table ctl;
struct net *net;
memcpy(&ctl, __ctl, sizeof(ctl));
ctl.data = &flush_delay;
proc_dointvec(&ctl, write, buffer, lenp, ppos);
net = (struct net *)__ctl->extra1;
rt_cache_flush(net, flush_delay);
rt_cache_flush((struct net *)__ctl->extra1);
return 0;
}