Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751170AbWB0Nud (ORCPT ); Mon, 27 Feb 2006 08:50:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751240AbWB0Nud (ORCPT ); Mon, 27 Feb 2006 08:50:33 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:39054 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S1751170AbWB0Nud (ORCPT ); Mon, 27 Feb 2006 08:50:33 -0500 Subject: Re: o_sync in vfat driver From: Arjan van de Ven To: Lennart Sorensen Cc: col-pepper@piments.com, linux-kernel@vger.kernel.org In-Reply-To: <20060227132848.GA27601@csclub.uwaterloo.ca> References: <20060227132848.GA27601@csclub.uwaterloo.ca> Content-Type: text/plain Date: Mon, 27 Feb 2006 14:50:27 +0100 Message-Id: <1141048228.2992.106.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1418 Lines: 42 On Mon, 2006-02-27 at 08:28 -0500, Lennart Sorensen wrote: > On Sun, Feb 26, 2006 at 11:50:40PM +0100, col-pepper@piments.com wrote: > > Hi, > > > > OMG what do I have to do to post here? 10th attempt. > > {part2} > > > > Here is a non-exhaustive list of typical devices types requiring fat vfat > > support: > > > > fd ide-hd scsi-hd usb-hd cdrom usb-hd usb-handheld (iPod, iRiver etc) > > usb-flash (usbsticks, cameras, some music devices.) > > > > IIRC the sync mount option for vfat is ignored for file systems >2G, this > > effectively (and probably intentionally) excludes nearly all hd partitions > > and iPod type devices. > > I think many people wish it was ignored on smaller devices too given > what it does to write performance. well. If you don't want it *DO NOT USE IT AT THE MOUNT COMMAND LINE* !!! > And if your device is flash based > and is one of the ones that doesn't have proper wear leveling the card > won't last long with sync enabled (even with wear leveling rewriting the > fat that often as sync seems to do can't be good for the lifespan of the > flash). patient> doctor doctor it hurts when I do this doctor> Then don't do that - 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/