From patchwork Sat Jul 13 15:19:46 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Haishuang Yan X-Patchwork-Id: 1131639 X-Patchwork-Delegate: pablo@netfilter.org Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netfilter-devel-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=cmss.chinamobile.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45mDTm4hDCz9sNT for ; Sun, 14 Jul 2019 01:38:36 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727809AbfGMPia (ORCPT ); Sat, 13 Jul 2019 11:38:30 -0400 Received: from cmccmta2.chinamobile.com ([221.176.66.80]:2141 "EHLO cmccmta2.chinamobile.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727656AbfGMPia (ORCPT ); Sat, 13 Jul 2019 11:38:30 -0400 Received: from spf.mail.chinamobile.com (unknown[172.16.121.5]) by rmmx-syy-dmz-app08-12008 (RichMail) with SMTP id 2ee85d29f77052c-3a621; Sat, 13 Jul 2019 23:23:28 +0800 (CST) X-RM-TRANSID: 2ee85d29f77052c-3a621 X-RM-TagInfo: emlType=0 X-RM-SPAM-FLAG: 00000000 Received: from localhost (unknown[223.105.0.241]) by rmsmtp-syy-appsvr03-12003 (RichMail) with SMTP id 2ee35d29f76f5a8-83a47; Sat, 13 Jul 2019 23:23:28 +0800 (CST) X-RM-TRANSID: 2ee35d29f76f5a8-83a47 From: Haishuang Yan To: "David S. Miller" , Pablo Neira Ayuso , Simon Horman Cc: netdev@vger.kernel.org, lvs-devel@vger.kernel.org, linux-kernel@vger.kernel.org, netfilter-devel@vger.kernel.org, Haishuang Yan Subject: [net-next 2/2] ipvs: batch __ip_vs_dev_cleanup Date: Sat, 13 Jul 2019 23:19:46 +0800 Message-Id: <1563031186-2101-3-git-send-email-yanhaishuang@cmss.chinamobile.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1563031186-2101-1-git-send-email-yanhaishuang@cmss.chinamobile.com> References: <1563031186-2101-1-git-send-email-yanhaishuang@cmss.chinamobile.com> Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org It's better to batch __ip_vs_cleanup to speedup ipvs devices dismantle. Signed-off-by: Haishuang Yan --- net/netfilter/ipvs/ip_vs_core.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index b4d79b7..58af24a 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -2434,14 +2434,20 @@ 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; + LIST_HEAD(list); + 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); } @@ -2454,7 +2460,7 @@ static void __net_exit __ip_vs_dev_cleanup(struct net *net) 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, }; /*