From ac524481d7f72d46805bcaa6595f233236c92132 Mon Sep 17 00:00:00 2001 From: Haishuang Yan Date: Fri, 27 Sep 2019 12:54:51 +0800 Subject: [PATCH] ipvs: batch __ip_vs_dev_cleanup It's better to batch __ip_vs_cleanup to speedup ipvs devices dismantle. Signed-off-by: Haishuang Yan Acked-by: Julian Anastasov Signed-off-by: Simon Horman --- net/netfilter/ipvs/ip_vs_core.c | 19 ++++++++++++------- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index 93cfb47823d1..512259f579d7 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -2433,14 +2433,19 @@ static int __net_init __ip_vs_dev_init(struct net *net) return ret; } -static void __net_exit __ip_vs_dev_cleanup(struct net *net) +static void __net_exit __ip_vs_dev_cleanup_batch(struct list_head *net_list) { - struct netns_ipvs *ipvs = net_ipvs(net); + struct netns_ipvs *ipvs; + struct net *net; + EnterFunction(2); - nf_unregister_net_hooks(net, ip_vs_ops, ARRAY_SIZE(ip_vs_ops)); - ipvs->enable = 0; /* Disable packet reception */ - smp_wmb(); - ip_vs_sync_net_cleanup(ipvs); + list_for_each_entry(net, net_list, exit_list) { + ipvs = net_ipvs(net); + nf_unregister_net_hooks(net, ip_vs_ops, ARRAY_SIZE(ip_vs_ops)); + ipvs->enable = 0; /* Disable packet reception */ + smp_wmb(); + ip_vs_sync_net_cleanup(ipvs); + } LeaveFunction(2); } @@ -2453,7 +2458,7 @@ static struct pernet_operations ipvs_core_ops = { static struct pernet_operations ipvs_core_dev_ops = { .init = __ip_vs_dev_init, - .exit = __ip_vs_dev_cleanup, + .exit_batch = __ip_vs_dev_cleanup_batch, }; /* -- 2.45.2