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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8B25C433EF for ; Thu, 18 Nov 2021 14:06:19 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 71AC561107 for ; Thu, 18 Nov 2021 14:06:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 71AC561107 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:56882 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mni3O-0006o9-K3 for qemu-devel@archiver.kernel.org; Thu, 18 Nov 2021 09:06:18 -0500 Received: from eggs.gnu.org ([209.51.188.92]:38912) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mni22-0004Th-8z for qemu-devel@nongnu.org; Thu, 18 Nov 2021 09:04:55 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:27417) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mni1r-0007hh-8n for qemu-devel@nongnu.org; Thu, 18 Nov 2021 09:04:45 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1637244282; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=RZF1Be0FJXgRVZ9n0ISM5PTpa0VXHY2pL5nt7Rh8DiE=; b=cDCfQgGPz/y1Q8i4dDUwydhI6oopeYj/asVwgctZWb3zFsfx2npjfwFdzI75EymR/V69Bi EbtyJXif0rW6g1yaJLkRyzBEHvm3VL0RdTUtAf7vfv0c2+JHmrGKQTN42WaRyaGVla7kRW qYm3BiQIPXUA7iWFik67J5aw1eg5xzg= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-105-HYzpXD3RNNShedjHR3-7pA-1; Thu, 18 Nov 2021 09:04:37 -0500 X-MC-Unique: HYzpXD3RNNShedjHR3-7pA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id EE87780DDE0; Thu, 18 Nov 2021 14:04:35 +0000 (UTC) Received: from [10.39.192.245] (unknown [10.39.192.245]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5BF0714104; Thu, 18 Nov 2021 14:04:32 +0000 (UTC) Message-ID: <86f27763-60d0-0549-9d5e-25107d1da4bd@redhat.com> Date: Thu, 18 Nov 2021 15:04:31 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [PATCH v4 00/25] block layer: split block APIs in global state and I/O To: Hanna Reitz , Emanuele Giuseppe Esposito , qemu-block@nongnu.org References: <20211025101735.2060852-1-eesposit@redhat.com> <93821bd8-2ac0-a19e-7029-900e6a6d9be1@redhat.com> From: Paolo Bonzini In-Reply-To: <93821bd8-2ac0-a19e-7029-900e6a6d9be1@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -45 X-Spam_score: -4.6 X-Spam_bar: ---- X-Spam_report: (-4.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.698, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-1.084, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , Vladimir Sementsov-Ogievskiy , =?UTF-8?Q?Daniel_P=2e_Berrang=c3=a9?= , Eduardo Habkost , Juan Quintela , Eric Blake , Richard Henderson , qemu-devel@nongnu.org, Markus Armbruster , Stefan Hajnoczi , John Snow , "Dr. David Alan Gilbert" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 11/15/21 17:03, Hanna Reitz wrote: > and second fuse_do_truncate(), which calls blk_set_perm(). Here it seems that a non-growable export is still growable as long as nobody is watching. :) Is this the desired behavior? Paolo