From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752328Ab1HOFrV (ORCPT ); Mon, 15 Aug 2011 01:47:21 -0400 Received: from shards.monkeyblade.net ([198.137.202.13]:39218 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751676Ab1HOFrU (ORCPT ); Mon, 15 Aug 2011 01:47:20 -0400 Date: Sun, 14 Aug 2011 22:47:14 -0700 (PDT) Message-Id: <20110814.224714.2061635645365376268.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: [PATCH] net: configurable sysctl parameter "net.core.tcp_lowat" for sk_stream_min_wspace() From: David Miller In-Reply-To: <4E48B0C3.2010203@ctc-g.co.jp> References: <4E48B0C3.2010203@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]); Sun, 14 Aug 2011 22:47:15 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Jun.Kondo" Date: Mon, 15 Aug 2011 14:38:11 +0900 > 2. to limit the block time of the write in order to > prevent the timeout of upper layer applications > even when the connection has low throughput, such > as low rate streaming Use non-blocking writes if you want this behavior.