From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754057AbaCNLKE (ORCPT ); Fri, 14 Mar 2014 07:10:04 -0400 Received: from cantor2.suse.de ([195.135.220.15]:57275 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752995AbaCNLKD (ORCPT ); Fri, 14 Mar 2014 07:10:03 -0400 Message-ID: <5322E388.6090809@suse.de> Date: Fri, 14 Mar 2014 12:10:00 +0100 From: Hannes Reinecke User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Christoph Hellwig CC: Mike Snitzer , Jeff Moyer , Jens Axboe , Shaohua Li , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 1/1] block: rework flush sequencing for blk-mq References: <20140130132630.GB6031@infradead.org> <20140308155240.GA32297@infradead.org> <531B74B6.4070004@suse.de> <20140312102849.GA26509@infradead.org> <20140313161347.GA6598@redhat.com> <20140314092519.GA10139@infradead.org> <20140314093458.GA19451@infradead.org> <5322D177.8050408@suse.de> <20140314105854.GA4077@infradead.org> In-Reply-To: <20140314105854.GA4077@infradead.org> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/14/2014 11:58 AM, Christoph Hellwig wrote: > On Fri, Mar 14, 2014 at 10:52:55AM +0100, Hannes Reinecke wrote: >> No, I haven't. This issue is only exhibited if you try to run >> multipath on a non-SCSI device (in this case it was cciss). >> But then that project got abandoned, and there never was a machine >> with a multipathed cciss controller. > > We still shouldn't be able to easily crash the kernel because someone > configured the wrong device. And with scsi-mq that wrong devices case > might become a lot more common.. > Ok, will be resending. Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage hare@suse.de +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)