From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760442Ab0HEQpM (ORCPT ); Thu, 5 Aug 2010 12:45:12 -0400 Received: from thunk.org ([69.25.196.29]:47504 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757439Ab0HEQpH (ORCPT ); Thu, 5 Aug 2010 12:45:07 -0400 Date: Thu, 5 Aug 2010 12:45:04 -0400 From: "Ted Ts'o" To: "Darrick J. Wong" , Mingming Cao , Ric Wheeler , linux-ext4 , linux-kernel , Keith Mannthey , Mingming Cao Subject: Re: [RFC v2] ext4: Don't send extra barrier during fsync if there are no dirty pages. Message-ID: <20100805164504.GI2901@thunk.org> Mail-Followup-To: Ted Ts'o , "Darrick J. Wong" , Mingming Cao , Ric Wheeler , linux-ext4 , linux-kernel , Keith Mannthey , Mingming Cao References: <20100429235102.GC15607@tux1.beaverton.ibm.com> <1272934667.2544.3.camel@mingming-laptop> <4BE02C45.6010608@redhat.com> <1273002566.3755.10.camel@mingming-laptop> <20100629205102.GM15515@tux1.beaverton.ibm.com> <20100805164008.GH2901@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100805164008.GH2901@thunk.org> User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on thunker.thunk.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org P.S. If it wasn't clear, I'm still in favor of trying to coordinate barriers across the whole file system, since that is much more likely to help use cases that arise in real life. - Ted