From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: [PATCH net-next 01/12] tcp: Namespace-ify sysctl_tcp_nometrics_save Date: Fri, 27 Oct 2017 07:47:21 -0700 Message-ID: <20171027144732.23885-2-edumazet@google.com> References: <20171027144732.23885-1-edumazet@google.com> Cc: netdev , Eric Dumazet , Eric Dumazet To: "David S . Miller" Return-path: Received: from mail-io0-f193.google.com ([209.85.223.193]:44464 "EHLO mail-io0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751673AbdJ0Ork (ORCPT ); Fri, 27 Oct 2017 10:47:40 -0400 Received: by mail-io0-f193.google.com with SMTP id m16so13219375iod.1 for ; Fri, 27 Oct 2017 07:47:40 -0700 (PDT) In-Reply-To: <20171027144732.23885-1-edumazet@google.com> Sender: netdev-owner@vger.kernel.org List-ID: Signed-off-by: Eric Dumazet --- include/net/netns/ipv4.h | 1 + include/net/tcp.h | 1 - net/ipv4/sysctl_net_ipv4.c | 14 +++++++------- net/ipv4/tcp_metrics.c | 4 +--- 4 files changed, 9 insertions(+), 11 deletions(-) diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index f4622e28db3a1484553f51709b144ee769766a28..9606e2ea1f1428744c7a734bf6cc58944889a8dd 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -142,6 +142,7 @@ struct netns_ipv4 { int sysctl_tcp_app_win; int sysctl_tcp_adv_win_scale; int sysctl_tcp_frto; + int sysctl_tcp_nometrics_save; struct inet_timewait_death_row tcp_death_row; int sysctl_max_syn_backlog; int sysctl_tcp_fastopen; diff --git a/include/net/tcp.h b/include/net/tcp.h index 18f047501f53be3780bd41a5c8234adf9683cebf..6ab7fa4154b27aad8d70d02f48d1c0aa9302839a 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -247,7 +247,6 @@ extern int sysctl_tcp_max_orphans; extern long sysctl_tcp_mem[3]; extern int sysctl_tcp_wmem[3]; extern int sysctl_tcp_rmem[3]; -extern int sysctl_tcp_nometrics_save; extern int sysctl_tcp_moderate_rcvbuf; extern int sysctl_tcp_tso_win_divisor; extern int sysctl_tcp_workaround_signed_windows; diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index f1bcb9b7e082c6688fad12e15be9b872ebed8151..b742a5e26a9d9c5a2ad730fda649bdd152b23988 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -451,13 +451,6 @@ static struct ctl_table ipv4_table[] = { .mode = 0644, .proc_handler = proc_dointvec }, - { - .procname = "tcp_no_metrics_save", - .data = &sysctl_tcp_nometrics_save, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = proc_dointvec, - }, { .procname = "tcp_moderate_rcvbuf", .data = &sysctl_tcp_moderate_rcvbuf, @@ -1145,6 +1138,13 @@ static struct ctl_table ipv4_net_table[] = { .mode = 0644, .proc_handler = proc_dointvec }, + { + .procname = "tcp_no_metrics_save", + .data = &init_net.ipv4.sysctl_tcp_nometrics_save, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec, + }, { } }; diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c index 0ab78abc811bef0388089befed672e3d4ee9d881..0507b56b6d4b2721ebce42d2a89a6638350c3b74 100644 --- a/net/ipv4/tcp_metrics.c +++ b/net/ipv4/tcp_metrics.c @@ -20,8 +20,6 @@ #include #include -int sysctl_tcp_nometrics_save __read_mostly; - static struct tcp_metrics_block *__tcp_get_metrics(const struct inetpeer_addr *saddr, const struct inetpeer_addr *daddr, struct net *net, unsigned int hash); @@ -330,7 +328,7 @@ void tcp_update_metrics(struct sock *sk) int m; sk_dst_confirm(sk); - if (sysctl_tcp_nometrics_save || !dst) + if (net->ipv4.sysctl_tcp_nometrics_save || !dst) return; rcu_read_lock(); -- 2.15.0.rc2.357.g7e34df9404-goog