From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760630Ab1LPTeY (ORCPT ); Fri, 16 Dec 2011 14:34:24 -0500 Received: from 173-166-109-252-newengland.hfc.comcastbusiness.net ([173.166.109.252]:37996 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752264Ab1LPTeS (ORCPT ); Fri, 16 Dec 2011 14:34:18 -0500 Date: Fri, 16 Dec 2011 14:34:14 -0500 From: Christoph Hellwig To: Shaohua Li Cc: Jens Axboe , lkml Subject: Re: [patch 2/2]block: recursive merge requests Message-ID: <20111216193414.GA30654@infradead.org> References: <1324000363.22361.453.camel@sli10-conroe> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1324000363.22361.453.camel@sli10-conroe> User-Agent: Mutt/1.5.21 (2010-09-15) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Dec 16, 2011 at 09:52:43AM +0800, Shaohua Li wrote: > With recursive merge below, the workload throughput gets improved 20% > and context switch drops 60%. What workload and what filesystem?