Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755723Ab0HIVH0 (ORCPT ); Mon, 9 Aug 2010 17:07:26 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:37223 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755177Ab0HIVHZ (ORCPT ); Mon, 9 Aug 2010 17:07:25 -0400 Date: Mon, 9 Aug 2010 17:07:23 -0400 From: Christoph Hellwig To: "Darrick J. Wong" Cc: "Ted Ts'o" , Mingming Cao , Ric Wheeler , linux-ext4 , linux-kernel , Keith Mannthey , Mingming Cao Subject: Re: [RFC v3] ext4: Combine barrier requests coming from fsync Message-ID: <20100809210723.GA28171@infradead.org> 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> <20100805164504.GI2901@thunk.org> <20100806070424.GD2109@tux1.beaverton.ibm.com> <20100809195324.GG2109@tux1.beaverton.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100809195324.GG2109@tux1.beaverton.ibm.com> User-Agent: Mutt/1.5.20 (2009-08-17) 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 Content-Length: 438 Lines: 12 Can you try with the new barrier implementation in the [PATCH, RFC] relaxed barriers by making cache flushes just that and not complicated drain barrier it should speed this case up a lot. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/