From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752022Ab1HYFAe (ORCPT ); Thu, 25 Aug 2011 01:00:34 -0400 Received: from shards.monkeyblade.net ([198.137.202.13]:34392 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750747Ab1HYFAd (ORCPT ); Thu, 25 Aug 2011 01:00:33 -0400 Date: Wed, 24 Aug 2011 22:00:16 -0700 (PDT) Message-Id: <20110824.220016.781758659534965980.davem@davemloft.net> To: jun.kondo@ctc-g.co.jp Cc: linux-kernel@vger.kernel.org, omega-g1@ctc-g.co.jp, notsuki@redhat.com, motokazu.kozaki@hp.com, htaira@redhat.com, netdev@vger.kernel.org, tomohiko.takahashi@ctc-g.co.jp, kotaro.sakai@ctc-g.co.jp, ken.sugawara@ctc-g.co.jp Subject: Re: [omega-g1:11110] Re: [PATCH] net: configurable sysctl parameter "net.core.tcp_lowat" for sk_stream_min_wspace() From: David Miller In-Reply-To: <4E55D3C2.40308@ctc-g.co.jp> References: <4E51A3F0.5010500@ctc-g.co.jp> <20110822.113544.28950168095176936.davem@davemloft.net> <4E55D3C2.40308@ctc-g.co.jp> X-Mailer: Mew version 6.3 on Emacs 23.2 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (shards.monkeyblade.net [198.137.202.13]); Wed, 24 Aug 2011 22:00:20 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Jun.Kondo" Date: Thu, 25 Aug 2011 13:46:58 +0900 > Currently, once the transmission buffer becomes full, it is not > possible to write again unless there is one third of free space > in the transmission buffer. Then use a non-blocking socket if you don't want to block. We're talking in circles, and will walk down the same discussions again. You have still not shown what real limitation is created by the way things work currently. I've said everything that I can, and I will thus recuse myself from the rest of this discussion since I really can't add anything more.