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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: [PATCH 10/31] ipvs: batch __ip_vs_dev_cleanup
Date: Sat, 26 Oct 2019 13:47:12 +0200	[thread overview]
Message-ID: <20191026114733.28111-11-pablo@netfilter.org> (raw)
In-Reply-To: <20191026114733.28111-1-pablo@netfilter.org>

From: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>

It's better to batch __ip_vs_cleanup to speedup ipvs
devices dismantle.

Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
---
 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,
 };
 
 /*
-- 
2.11.0


  parent reply	other threads:[~2019-10-26 11:48 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-26 11:47 [PATCH 00/31] Netfilter/IPVS updates for net-next Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 01/31] netfilter: ipset: add a coding-style fix to ip_set_ext_destroy Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 02/31] netfilter: ipset: remove inline from static functions in .c files Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 03/31] netfilter: ipset: move ip_set_comment functions from ip_set.h to ip_set_core.c Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 04/31] netfilter: ipset: move functions " Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 05/31] netfilter: ipset: make ip_set_put_flags extern Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 06/31] netfilter: ipset: move function to ip_set_bitmap_ip.c Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 07/31] netfilter: ipset: move ip_set_get_ip_port() to ip_set_bitmap_port.c Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 08/31] ipvs: no need to update skb route entry for local destination packets Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 09/31] ipvs: batch __ip_vs_cleanup Pablo Neira Ayuso
2019-10-26 11:47 ` Pablo Neira Ayuso [this message]
2019-10-26 11:47 ` [PATCH 11/31] selftests: netfilter: add ipvs test script Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 12/31] selftests: netfilter: add ipvs nat test case Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 13/31] selftests: netfilter: add ipvs tunnel " Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 14/31] netfilter: ecache: document extension area access rules Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 15/31] netfilter: ctnetlink: don't dump ct extensions of unconfirmed conntracks Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 16/31] netfilter: conntrack: free extension area immediately Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 17/31] netfilter: add and use nf_hook_slow_list() Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 18/31] netfilter: nft_tproxy: Fix typo in IPv6 module description Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 19/31] netfilter: nf_flow_table: move priority to struct nf_flowtable Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 20/31] netfilter: nf_tables: dynamically allocate hooks per net_device in flowtables Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 21/31] netfilter: nf_tables: allow netdevice to be used only once per flowtable Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 22/31] netfilter: nf_tables: increase maximum devices number " Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 23/31] netfilter: nf_tables_offload: add nft_flow_block_chain() Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 24/31] netfilter: nf_tables_offload: Pass callback list to nft_setup_cb_call() Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 25/31] netfilter: nf_tables_offload: add nft_flow_cls_offload_setup() Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 26/31] netfilter: nf_tables_offload: remove rules on unregistered device only Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 27/31] netfilter: nf_tables: support for multiple devices per netdev hook Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 28/31] netfilter: ecache: don't look for ecache extension on dying/unconfirmed conntracks Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 29/31] netfilter: nf_tables_offload: add nft_chain_offload_cmd() Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 30/31] netfilter: nf_tables_offload: add nft_flow_block_offload_init() Pablo Neira Ayuso
2019-10-26 11:47 ` [PATCH 31/31] netfilter: nf_tables_offload: unbind if multi-device binding fails Pablo Neira Ayuso
2019-10-26 18:36 ` [PATCH 00/31] Netfilter/IPVS updates for net-next David Miller

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