From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D174C433F5 for ; Wed, 29 Aug 2018 09:23:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D2B620867 for ; Wed, 29 Aug 2018 09:23:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1D2B620867 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=CARNet.hr Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727616AbeH2NTd (ORCPT ); Wed, 29 Aug 2018 09:19:33 -0400 Received: from mail.CARNet.hr ([161.53.123.6]:46306 "EHLO mail.carnet.hr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727254AbeH2NTd (ORCPT ); Wed, 29 Aug 2018 09:19:33 -0400 Received: from [2001:b68:ff:12::131] (port=58084 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 1fuwhF-00073q-Ti; Wed, 29 Aug 2018 11:23:30 +0200 Received: by gavran.carpriv.carnet.hr (Postfix, from userid 1000) id B820B20239; Wed, 29 Aug 2018 11:23:29 +0200 (CEST) Date: Wed, 29 Aug 2018 11:23:29 +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: <20180829092329.GY26705@gavran.carpriv.carnet.hr> References: <20180829065214.23546-1-Valentin.Vidic@CARNet.hr> <1701ccef-3ebb-973b-de32-059a8816d31c@suse.com> <20180829082731.GX26705@gavran.carpriv.carnet.hr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: 2001:b68:ff:12::131 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 10:43:48AM +0200, Juergen Gross wrote: > I think this should be an action triggered by the frontend, not by dom0 > (xen tools will always set "online" to 0 when removing a device, AFAIK). > > I'm not sure this is relevant, but I realized this behavior is changed > by your patch. Can't find any place in xen-blkfront.c (or the rest of the kernel) where the "online" value gets set, so it seems xen tools in dom0 is the only thing that modifies this Xenbus node? -- Valentin