Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261237AbVEOUse (ORCPT ); Sun, 15 May 2005 16:48:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261239AbVEOUse (ORCPT ); Sun, 15 May 2005 16:48:34 -0400 Received: from fire.osdl.org ([65.172.181.4]:31663 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S261237AbVEOUsb (ORCPT ); Sun, 15 May 2005 16:48:31 -0400 Date: Sun, 15 May 2005 13:44:05 -0700 From: Andrew Morton To: Andi Kleen Cc: jgarzik@pobox.com, gene.heskett@verizon.net, linux-kernel@vger.kernel.org, okuyamak@dd.iij4u.or.jp Subject: Re: Disk write cache Message-Id: <20050515134405.6c099391.akpm@osdl.org> In-Reply-To: References: <200505151121.36243.gene.heskett@verizon.net> <20050515152956.GA25143@havoc.gtf.org> <20050516.012740.93615022.okuyamak@dd.iij4u.or.jp> <42877C1B.2030008@pobox.com> X-Mailer: Sylpheed version 1.0.0 (GTK+ 1.2.10; i386-vine-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 564 Lines: 15 Andi Kleen wrote: > > However since > I suppose a lot of disks flush everything pending on a flush cache > command it still works assuming the file systems write the > data to disk in fsync before syncing the journal. I don't know > if they do that. ext3 does, in data=journal and data=ordered modes. - 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/