From: Cong Wang <xiyou.wangcong@gmail.com>
Date: Mon, 11 Dec 2017 15:35:03 -0800
Subject: net_sched: switch to exit_batch for action pernet ops
Patch-mainline: v4.16-rc1
Git-commit: 039af9c66b93154b493e3088a36b251b99c9b3c4
References: bsc#1109837
Since we now hold RTNL lock in tc_action_net_exit(), it is good to
batch them to speedup tc action dismantle.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
include/net/act_api.h | 13 ++++++++++---
net/sched/act_bpf.c | 8 +++-----
net/sched/act_connmark.c | 8 +++-----
net/sched/act_csum.c | 8 +++-----
net/sched/act_gact.c | 8 +++-----
net/sched/act_ife.c | 8 +++-----
net/sched/act_ipt.c | 16 ++++++----------
net/sched/act_mirred.c | 8 +++-----
net/sched/act_nat.c | 8 +++-----
net/sched/act_pedit.c | 8 +++-----
net/sched/act_police.c | 8 +++-----
net/sched/act_sample.c | 8 +++-----
net/sched/act_simple.c | 8 +++-----
net/sched/act_skbedit.c | 8 +++-----
net/sched/act_skbmod.c | 8 +++-----
net/sched/act_tunnel_key.c | 8 +++-----
net/sched/act_vlan.c | 8 +++-----
17 files changed, 61 insertions(+), 88 deletions(-)
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -119,12 +119,19 @@ int tc_action_net_init(struct tc_action_
void tcf_idrinfo_destroy(const struct tc_action_ops *ops,
struct tcf_idrinfo *idrinfo);
-static inline void tc_action_net_exit(struct tc_action_net *tn)
+static inline void tc_action_net_exit(struct list_head *net_list,
+ unsigned int id)
{
+ struct net *net;
+
rtnl_lock();
- tcf_idrinfo_destroy(tn->ops, tn->idrinfo);
+ list_for_each_entry(net, net_list, exit_list) {
+ struct tc_action_net *tn = net_generic(net, id);
+
+ tcf_idrinfo_destroy(tn->ops, tn->idrinfo);
+ kfree(tn->idrinfo);
+ }
rtnl_unlock();
- kfree(tn->idrinfo);
}
int tcf_generic_walker(struct tc_action_net *tn, struct sk_buff *skb,
--- a/net/sched/act_bpf.c
+++ b/net/sched/act_bpf.c
@@ -401,16 +401,14 @@ static __net_init int bpf_init_net(struc
return tc_action_net_init(tn, &act_bpf_ops);
}
-static void __net_exit bpf_exit_net(struct net *net)
+static void __net_exit bpf_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, bpf_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, bpf_net_id);
}
static struct pernet_operations bpf_net_ops = {
.init = bpf_init_net,
- .exit = bpf_exit_net,
+ .exit_batch = bpf_exit_net,
.id = &bpf_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_connmark.c
+++ b/net/sched/act_connmark.c
@@ -209,16 +209,14 @@ static __net_init int connmark_init_net(
return tc_action_net_init(tn, &act_connmark_ops);
}
-static void __net_exit connmark_exit_net(struct net *net)
+static void __net_exit connmark_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, connmark_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, connmark_net_id);
}
static struct pernet_operations connmark_net_ops = {
.init = connmark_init_net,
- .exit = connmark_exit_net,
+ .exit_batch = connmark_exit_net,
.id = &connmark_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -635,16 +635,14 @@ static __net_init int csum_init_net(stru
return tc_action_net_init(tn, &act_csum_ops);
}
-static void __net_exit csum_exit_net(struct net *net)
+static void __net_exit csum_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, csum_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, csum_net_id);
}
static struct pernet_operations csum_net_ops = {
.init = csum_init_net,
- .exit = csum_exit_net,
+ .exit_batch = csum_exit_net,
.id = &csum_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -235,16 +235,14 @@ static __net_init int gact_init_net(stru
return tc_action_net_init(tn, &act_gact_ops);
}
-static void __net_exit gact_exit_net(struct net *net)
+static void __net_exit gact_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, gact_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, gact_net_id);
}
static struct pernet_operations gact_net_ops = {
.init = gact_init_net,
- .exit = gact_exit_net,
+ .exit_batch = gact_exit_net,
.id = &gact_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_ife.c
+++ b/net/sched/act_ife.c
@@ -858,16 +858,14 @@ static __net_init int ife_init_net(struc
return tc_action_net_init(tn, &act_ife_ops);
}
-static void __net_exit ife_exit_net(struct net *net)
+static void __net_exit ife_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, ife_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, ife_net_id);
}
static struct pernet_operations ife_net_ops = {
.init = ife_init_net,
- .exit = ife_exit_net,
+ .exit_batch = ife_exit_net,
.id = &ife_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -337,16 +337,14 @@ static __net_init int ipt_init_net(struc
return tc_action_net_init(tn, &act_ipt_ops);
}
-static void __net_exit ipt_exit_net(struct net *net)
+static void __net_exit ipt_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, ipt_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, ipt_net_id);
}
static struct pernet_operations ipt_net_ops = {
.init = ipt_init_net,
- .exit = ipt_exit_net,
+ .exit_batch = ipt_exit_net,
.id = &ipt_net_id,
.size = sizeof(struct tc_action_net),
};
@@ -387,16 +385,14 @@ static __net_init int xt_init_net(struct
return tc_action_net_init(tn, &act_xt_ops);
}
-static void __net_exit xt_exit_net(struct net *net)
+static void __net_exit xt_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, xt_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, xt_net_id);
}
static struct pernet_operations xt_net_ops = {
.init = xt_init_net,
- .exit = xt_exit_net,
+ .exit_batch = xt_exit_net,
.id = &xt_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -334,16 +334,14 @@ static __net_init int mirred_init_net(st
return tc_action_net_init(tn, &act_mirred_ops);
}
-static void __net_exit mirred_exit_net(struct net *net)
+static void __net_exit mirred_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, mirred_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, mirred_net_id);
}
static struct pernet_operations mirred_net_ops = {
.init = mirred_init_net,
- .exit = mirred_exit_net,
+ .exit_batch = mirred_exit_net,
.id = &mirred_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -310,16 +310,14 @@ static __net_init int nat_init_net(struc
return tc_action_net_init(tn, &act_nat_ops);
}
-static void __net_exit nat_exit_net(struct net *net)
+static void __net_exit nat_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, nat_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, nat_net_id);
}
static struct pernet_operations nat_net_ops = {
.init = nat_init_net,
- .exit = nat_exit_net,
+ .exit_batch = nat_exit_net,
.id = &nat_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -453,16 +453,14 @@ static __net_init int pedit_init_net(str
return tc_action_net_init(tn, &act_pedit_ops);
}
-static void __net_exit pedit_exit_net(struct net *net)
+static void __net_exit pedit_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, pedit_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, pedit_net_id);
}
static struct pernet_operations pedit_net_ops = {
.init = pedit_init_net,
- .exit = pedit_exit_net,
+ .exit_batch = pedit_exit_net,
.id = &pedit_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -334,16 +334,14 @@ static __net_init int police_init_net(st
return tc_action_net_init(tn, &act_police_ops);
}
-static void __net_exit police_exit_net(struct net *net)
+static void __net_exit police_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, police_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, police_net_id);
}
static struct pernet_operations police_net_ops = {
.init = police_init_net,
- .exit = police_exit_net,
+ .exit_batch = police_exit_net,
.id = &police_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_sample.c
+++ b/net/sched/act_sample.c
@@ -236,16 +236,14 @@ static __net_init int sample_init_net(st
return tc_action_net_init(tn, &act_sample_ops);
}
-static void __net_exit sample_exit_net(struct net *net)
+static void __net_exit sample_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, sample_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, sample_net_id);
}
static struct pernet_operations sample_net_ops = {
.init = sample_init_net,
- .exit = sample_exit_net,
+ .exit_batch = sample_exit_net,
.id = &sample_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -204,16 +204,14 @@ static __net_init int simp_init_net(stru
return tc_action_net_init(tn, &act_simp_ops);
}
-static void __net_exit simp_exit_net(struct net *net)
+static void __net_exit simp_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, simp_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, simp_net_id);
}
static struct pernet_operations simp_net_ops = {
.init = simp_init_net,
- .exit = simp_exit_net,
+ .exit_batch = simp_exit_net,
.id = &simp_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -241,16 +241,14 @@ static __net_init int skbedit_init_net(s
return tc_action_net_init(tn, &act_skbedit_ops);
}
-static void __net_exit skbedit_exit_net(struct net *net)
+static void __net_exit skbedit_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, skbedit_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, skbedit_net_id);
}
static struct pernet_operations skbedit_net_ops = {
.init = skbedit_init_net,
- .exit = skbedit_exit_net,
+ .exit_batch = skbedit_exit_net,
.id = &skbedit_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_skbmod.c
+++ b/net/sched/act_skbmod.c
@@ -266,16 +266,14 @@ static __net_init int skbmod_init_net(st
return tc_action_net_init(tn, &act_skbmod_ops);
}
-static void __net_exit skbmod_exit_net(struct net *net)
+static void __net_exit skbmod_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, skbmod_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, skbmod_net_id);
}
static struct pernet_operations skbmod_net_ops = {
.init = skbmod_init_net,
- .exit = skbmod_exit_net,
+ .exit_batch = skbmod_exit_net,
.id = &skbmod_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_tunnel_key.c
+++ b/net/sched/act_tunnel_key.c
@@ -325,16 +325,14 @@ static __net_init int tunnel_key_init_ne
return tc_action_net_init(tn, &act_tunnel_key_ops);
}
-static void __net_exit tunnel_key_exit_net(struct net *net)
+static void __net_exit tunnel_key_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, tunnel_key_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, tunnel_key_net_id);
}
static struct pernet_operations tunnel_key_net_ops = {
.init = tunnel_key_init_net,
- .exit = tunnel_key_exit_net,
+ .exit_batch = tunnel_key_exit_net,
.id = &tunnel_key_net_id,
.size = sizeof(struct tc_action_net),
};
--- a/net/sched/act_vlan.c
+++ b/net/sched/act_vlan.c
@@ -301,16 +301,14 @@ static __net_init int vlan_init_net(stru
return tc_action_net_init(tn, &act_vlan_ops);
}
-static void __net_exit vlan_exit_net(struct net *net)
+static void __net_exit vlan_exit_net(struct list_head *net_list)
{
- struct tc_action_net *tn = net_generic(net, vlan_net_id);
-
- tc_action_net_exit(tn);
+ tc_action_net_exit(net_list, vlan_net_id);
}
static struct pernet_operations vlan_net_ops = {
.init = vlan_init_net,
- .exit = vlan_exit_net,
+ .exit_batch = vlan_exit_net,
.id = &vlan_net_id,
.size = sizeof(struct tc_action_net),
};