Received: by 2002:ac0:a5a6:0:0:0:0:0 with SMTP id m35-v6csp352131imm; Wed, 29 Aug 2018 01:28:56 -0700 (PDT) X-Google-Smtp-Source: ANB0Vda8lwykK9EmBtO1VH8YUVWSoXaZ1KV8acYnEbgUsdTmQ7UJjqJViFNDEsVTgMgH0ux0skp3 X-Received: by 2002:a62:8c8c:: with SMTP id m134-v6mr4923880pfd.130.1535531336722; Wed, 29 Aug 2018 01:28:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1535531336; cv=none; d=google.com; s=arc-20160816; b=oopZH7+B61vx5wwqvshcosVSmAIc88sLgFm5+PnPqA3zw4G0fo6RO6Ni2Y0Q+BUJ+f j3Th235vo9SkfG5MCGB4RB3UTxQjd93jpXCU2PmEW/pE4rSdL6jJtzy9SIJgoc9+0Pw0 MR3AfKghpxfpKSIi8av6v286xjX9Bqr90a7U8GvGgUr2gnhACQf6LmKmLMTwKSLq9qYC Ivts6AVqaj1T5IKIHVd4EmrwIP6GA1rrBY4y69zhDiqCed0ldBIdo81lmQmHCmQBHKS9 0NjhEy4FqdLodLhVK6AZItQmv6jp/pTLP5NRAsou5iNsBjeflbx3CoEdriAS84gX/H3R pojQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:subject:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:cc:to:from :date:arc-authentication-results; bh=NCaoKnKZ+UGVRtULV2srikAHDmjIJwhFAtsIu1cXHbI=; b=ngVGyKUCLmdft8sMeSTChB/b/I5liMUsHYGCY93/h1vY0y93EEs1PJpU0zsHtkD64V gNJfy/WD8xXiNufvxNN6PFujEHErOPg0Rq/yr2uRcs2pZpxrtIGR+WapnZbrjK3zpbDP zwENDhXurs2b905XTDpiKl2gzQogIDggCxWOnrMJzohw4d+6TvfOjuMrSZwr0sRL1QGS 2cPJhsTCx6jqefHBLEsNiw25sDinafse9hZvhXm3NOieilKXBLgVamXv0paD3i6/cHMD /PfFqF9WJOYLzQDAY43cU2DMYYA2H15b67cG+l1uMFb/Q9kFg2UbMy1dZ8zKBoifIdTi 1Afw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id l7-v6si929730pgi.261.2018.08.29.01.28.41; Wed, 29 Aug 2018 01:28:56 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727873AbeH2MXV (ORCPT + 99 others); Wed, 29 Aug 2018 08:23:21 -0400 Received: from mail.CARNet.hr ([161.53.123.6]:56208 "EHLO mail.carnet.hr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727190AbeH2MXV (ORCPT ); Wed, 29 Aug 2018 08:23:21 -0400 Received: from [2001:b68:ff:12::131] (port=58008 helo=gavran.carpriv.carnet.hr) by mail.carnet.hr with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1fuvp6-0006Bl-0G; Wed, 29 Aug 2018 10:27:32 +0200 Received: by gavran.carpriv.carnet.hr (Postfix, from userid 1000) id C8B3E20239; Wed, 29 Aug 2018 10:27:31 +0200 (CEST) Date: Wed, 29 Aug 2018 10:27:31 +0200 From: Valentin Vidic To: Juergen Gross Cc: Roger Pau =?iso-8859-1?Q?Monn=E9?= , Konrad Rzeszutek Wilk , Jens Axboe , xen-devel@lists.xenproject.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Message-ID: <20180829082731.GX26705@gavran.carpriv.carnet.hr> References: <20180829065214.23546-1-Valentin.Vidic@CARNet.hr> <1701ccef-3ebb-973b-de32-059a8816d31c@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1701ccef-3ebb-973b-de32-059a8816d31c@suse.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:b68:ff:12::131 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on rigel.CARNet.hr X-Spam-Level: X-Spam-Status: No, score=-2.9 required=10.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.3.2 Subject: Re: [PATCH] xen-blkback: Switch to closed state after releasing the backing device X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:24:06 +0000) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 29, 2018 at 10:16:09AM +0200, Juergen Gross wrote: > Did you test whether it is okay to not change state in case the device > is still online? Not sure how to simulate that. Maybe using xl block-detach or something else? -- Valentin