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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 CB353C2BA2B for ; Fri, 10 Apr 2020 12:02:46 +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 8D0FA2082D for ; Fri, 10 Apr 2020 12:02:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="DC8nGmik" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8D0FA2082D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=igalia.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:33448 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMsMv-0007fr-Mp for qemu-devel@archiver.kernel.org; Fri, 10 Apr 2020 08:02:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34724) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jMsMD-00076s-IL for qemu-devel@nongnu.org; Fri, 10 Apr 2020 08:02:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jMsMB-0000S3-IM for qemu-devel@nongnu.org; Fri, 10 Apr 2020 08:02:00 -0400 Received: from fanzine.igalia.com ([178.60.130.6]:53566) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jMsMA-0000RX-Vp; Fri, 10 Apr 2020 08:01:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Type:MIME-Version:Message-ID:Date:References:In-Reply-To:Subject:Cc:To:From; bh=67LcdiaciSg5e5ixDgNjH5OyipQFGgSnSPYIcV4RlD0=; b=DC8nGmikOy2edV1upargJz1iZO0Ri6vjSKmGH8orkFJeyZKLxc58Q3rBR8ohXWPFwoGXjGwCDtlPRDs8H9JB+ofr05pqKS6/YTLfLaQavfpap2SC5JLsw6kYCKHk25cvqYuflhB/R2IGVzaKAaTvc++haoAL0c0tEc0zG+c37N5c/qLWad4nQGZSQ1oXy9mOjgu0XMdMjTaxynxfR/QoT0YSSRv89hOhz85I0R+X4tvp28aYOgoCDfQgGQWlyppvJTFsAqMT9QlCinRLl/zsLEfXKhAUWdJRoTGPi3jSEQqgps8ry9hM7g98+sW1oKWf8pY83CbWt9nhf6+hzF6hxQ==; Received: from maestria.local.igalia.com ([192.168.10.14] helo=mail.igalia.com) by fanzine.igalia.com with esmtps (Cipher TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim) id 1jMsM8-0006yD-L5; Fri, 10 Apr 2020 14:01:56 +0200 Received: from berto by mail.igalia.com with local (Exim) id 1jMsM8-00030M-Be; Fri, 10 Apr 2020 14:01:56 +0200 From: Alberto Garcia To: Eric Blake , qemu-devel@nongnu.org Subject: Re: [PATCH v4 07/30] qcow2: Document the Extended L2 Entries feature In-Reply-To: <8c88b96f-c6f5-e06c-73e1-56001089a7ca@redhat.com> References: <8c88b96f-c6f5-e06c-73e1-56001089a7ca@redhat.com> User-Agent: Notmuch/0.18.2 (http://notmuchmail.org) Emacs/24.4.1 (i586-pc-linux-gnu) Date: Fri, 10 Apr 2020 14:01:56 +0200 Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] [fuzzy] X-Received-From: 178.60.130.6 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Anton Nefedov , qemu-block@nongnu.org, Max Reitz , Vladimir Sementsov-Ogievskiy , "Denis V . Lunev" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Thu 09 Apr 2020 05:12:16 PM CEST, Eric Blake wrote: > Hmm - raw external files are incompatible with backing files. Should > we also document that extended L2 entries are incompatible with raw > external files? Ok, I can also add additional checks to forbid creating such images. Berto