Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751899AbWB1Bro (ORCPT ); Mon, 27 Feb 2006 20:47:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751747AbWB1Bro (ORCPT ); Mon, 27 Feb 2006 20:47:44 -0500 Received: from smtp.osdl.org ([65.172.181.4]:59034 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1750724AbWB1Brn (ORCPT ); Mon, 27 Feb 2006 20:47:43 -0500 Date: Mon, 27 Feb 2006 17:46:58 -0800 (PST) From: Linus Torvalds To: Tejun Heo cc: Mark Lord , Jeff Garzik , David Greaves , Justin Piszcz , linux-kernel@vger.kernel.org, IDE/ATA development list , albertcc@tw.ibm.com, axboe@suse.de Subject: Re: LibPATA code issues / 2.6.15.4 In-Reply-To: <4403A84C.6010804@gmail.com> Message-ID: References: <43F2050B.8020006@dgreaves.com> <200602141300.37118.lkml@rtr.ca> <440040B4.8030808@dgreaves.com> <440083B4.3030307@rtr.ca> <4400A1BF.7020109@rtr.ca> <4400B439.8050202@dgreaves.com> <4401122A.3010908@rtr.ca> <44017B4B.3030900@dgreaves.com> <4401B560.40702@rtr.ca> <4403704E.4090109@rtr.ca> <4403A84C.6010804@gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1059 Lines: 29 On Tue, 28 Feb 2006, Tejun Heo wrote: > Hello, Mark. > > Mark Lord wrote: > > > > .. hold off on 2.6.16 because of this or not? > > > > It certainly is dangerous. I guess we should turn off FUA for the time being. > Barrier auto-fallback was once implemented but it didn't seem like a good idea > as it was too complex and hides low level bug from higher level. The concensus > seems to be developing blacklist of drives which lie about FUA support > (currently only one drive). Official kernel doesn't seem to be the correct > place to grow the blacklist, Maybe we should do it from -mm? For 2.6.16, the only sane solution for now is to just turn it off. Somebody want to send me a patch that does that, along with an ack from Mark (and whoever else sees this) that it fixes his/their problems? Linus - 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/