From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [omega-g1:11110] Re: [PATCH] net: configurable sysctl parameter "net.core.tcp_lowat" for sk_stream_min_wspace() Date: Wed, 24 Aug 2011 22:00:16 -0700 (PDT) Message-ID: <20110824.220016.781758659534965980.davem@davemloft.net> References: <4E51A3F0.5010500@ctc-g.co.jp> <20110822.113544.28950168095176936.davem@davemloft.net> <4E55D3C2.40308@ctc-g.co.jp> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit 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 To: jun.kondo@ctc-g.co.jp Return-path: 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 In-Reply-To: <4E55D3C2.40308@ctc-g.co.jp> Sender: netdev-owner@vger.kernel.org List-ID: 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.