From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755840Ab2GQQua (ORCPT ); Tue, 17 Jul 2012 12:50:30 -0400 Received: from 173-166-109-252-newengland.hfc.comcastbusiness.net ([173.166.109.252]:52092 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752698Ab2GQQu2 (ORCPT ); Tue, 17 Jul 2012 12:50:28 -0400 Date: Tue, 17 Jul 2012 12:50:26 -0400 From: Christoph Hellwig To: Paolo Bonzini Cc: Christoph Hellwig , James Bottomley , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org Subject: Re: [PATCH] sd: do not set changed flag on all unit attention conditions Message-ID: <20120717165026.GA30257@infradead.org> References: <1342454772-9018-1-git-send-email-pbonzini@redhat.com> <1342455503.3176.42.camel@dabdike.int.hansenpartnership.com> <50044D56.6000400@redhat.com> <1342511100.3039.9.camel@dabdike.int.hansenpartnership.com> <50052390.7030908@redhat.com> <1342514444.3039.23.camel@dabdike.int.hansenpartnership.com> <5005285E.8060706@redhat.com> <1342516317.3039.35.camel@dabdike.int.hansenpartnership.com> <20120717163612.GA15995@infradead.org> <50059713.7090606@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <50059713.7090606@redhat.com> User-Agent: Mutt/1.5.21 (2010-09-15) 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 On Tue, Jul 17, 2012 at 06:47:15PM +0200, Paolo Bonzini wrote: > Il 17/07/2012 18:36, Christoph Hellwig ha scritto: > >> > There's no such thing in the market today as a removable disk that's > >> > resizeable. Removable disks are for things like backup cartridges and > >> > ageing jazz drives. Worse: most removeable devices today are USB card > >> > readers whose standards compliance varies from iffy to non existent. > >> > Resizeable disks are currently the province of storage arrays. > > The virtual disks exported by aacraid are both marked removable and > > can be resized. > > Do they report resizing via unit attention? I can skip this part on > removable virtio-scsi disks if that's what real hardware does, it would > also work. I don't have access to aacraid hardware currently.