From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wu Fengguang Subject: Re: [PATCH 2/5] writeback: dirty position control Date: Fri, 26 Aug 2011 20:20:57 +0800 Message-ID: <20110826122057.GA32711@localhost> References: <1314093660.8002.24.camel@twins> <20110823141504.GA15949@localhost> <20110823174757.GC15820@redhat.com> <20110824001257.GA6349@localhost> <1314202378.6925.48.camel@twins> <20110826001846.GA6118@localhost> <1314349469.26922.24.camel@twins> <20110826100428.GA7996@localhost> <20110826112637.GA17785@localhost> <1314360710.11049.1.camel@twins> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Vivek Goyal , "linux-fsdevel@vger.kernel.org" , Andrew Morton , Jan Kara , Christoph Hellwig , Dave Chinner , Greg Thelen , Minchan Kim , Andrea Righi , linux-mm , LKML To: Peter Zijlstra Return-path: Content-Disposition: inline In-Reply-To: <1314360710.11049.1.camel@twins> Sender: owner-linux-mm@kvack.org List-Id: linux-fsdevel.vger.kernel.org On Fri, Aug 26, 2011 at 08:11:50PM +0800, Peter Zijlstra wrote: > On Fri, 2011-08-26 at 19:26 +0800, Wu Fengguang wrote: > > Now I get 3 figures. Test case is: run 1 dd write task for 300s, with > > a "disturber" dd read task during roughly 120-130s. > > Ah, but ideally the disturber task should run in bursts of 100ms > ( N=2 - 130s: N=2 => N=1 I'll try it right away. Thanks, Fengguang -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org