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dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59242 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jrGQL-0006T1-Ap for qemu-devel@archiver.kernel.org; Fri, 03 Jul 2020 03:47:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42036) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jrGPX-0005iu-M4 for qemu-devel@nongnu.org; Fri, 03 Jul 2020 03:47:03 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:37723 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jrGPW-0003sG-4L for qemu-devel@nongnu.org; Fri, 03 Jul 2020 03:47:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1593762421; 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: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=ym2q5bhX/TzYJ3dtu8gVaynSIQOovfyIkkNLV8z4wmY=; b=OpvVS2ju0CLscWFLiYWbBe/Vnr6mgD15amZVR+q84ZaO/lyCV3C8sSWVG+yXW2dHVyKQiw SiVDAMyVvt3MdTQRnWng+SY/jAnyni9jeUpevH2BwcmsfLNupoLnObPeos4CzEEPv9DxyY uqp5CyvvxTJZnjrQ5aH0XA7MowKbLzI= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-17-Y6YKwT3hNp2VAm-zlWwuGg-1; Fri, 03 Jul 2020 03:46:57 -0400 X-MC-Unique: Y6YKwT3hNp2VAm-zlWwuGg-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 0DAC71052509; Fri, 3 Jul 2020 07:46:56 +0000 (UTC) Received: from dresden.str.redhat.com (ovpn-113-131.ams2.redhat.com [10.36.113.131]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 5DEDB7BD40; Fri, 3 Jul 2020 07:46:54 +0000 (UTC) Subject: Re: [PATCH v9 33/34] qcow2: Assert that expand_zero_clusters_in_l1() does not support subclusters To: Alberto Garcia , qemu-devel@nongnu.org References: <171529b6cfb1f6e109c7b27096e35e8aad628b87.1593342067.git.berto@igalia.com> From: Max Reitz Autocrypt: addr=mreitz@redhat.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <171529b6cfb1f6e109c7b27096e35e8aad628b87.1593342067.git.berto@igalia.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mreitz@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="maB9TnJmEOphdCoKbSTDEjHhUM62e9NvA" Received-SPF: pass client-ip=207.211.31.81; envelope-from=mreitz@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/03 01:34:15 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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 , Derek Su , Vladimir Sementsov-Ogievskiy , qemu-block@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --maB9TnJmEOphdCoKbSTDEjHhUM62e9NvA Content-Type: multipart/mixed; boundary="E6Tdl6n3Gw6lDwD6lro6m4hz57GLxybhl" --E6Tdl6n3Gw6lDwD6lro6m4hz57GLxybhl Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 28.06.20 13:02, Alberto Garcia wrote: > This function is only used by qcow2_expand_zero_clusters() to > downgrade a qcow2 image to a previous version. This would require > transforming all extended L2 entries into normal L2 entries but this > is not a simple task and there are no plans to implement this at the > moment. >=20 > Signed-off-by: Alberto Garcia > Reviewed-by: Eric Blake > --- > block/qcow2-cluster.c | 8 +++++++- > tests/qemu-iotests/061 | 6 ++++++ > tests/qemu-iotests/061.out | 5 +++++ > 3 files changed, 18 insertions(+), 1 deletion(-) Reviewed-by: Max Reitz --E6Tdl6n3Gw6lDwD6lro6m4hz57GLxybhl-- --maB9TnJmEOphdCoKbSTDEjHhUM62e9NvA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEkb62CjDbPohX0Rgp9AfbAGHVz0AFAl7+4mwACgkQ9AfbAGHV z0CDawgAp5DGA/Hz9EBLiJRjoVSF1V4IKnFLfk7/mXsQRSk6c1/RqEq78KAy0Rix sQwnxsuT/u8Y5oO47UYdyIYNBd+3tg38ZtYWmVf4o6+QZOBzHMgo+87RZk2r4bJm XHJdVgM3UaRCSAd84lvpQrTijme9pBx9gnktmgbLhd0DM3+TiLI3TPDGk70rNwdx iB7HKyUGHQqfcgna0gdQTSasdEVnAYgsKw2T920xcWkycXAjjL1HWTnLMA5/jfEY CGQwwT++xLe8HTa2DmnyzStPwx3d6nD2AB16nBcdUO4xNNoc0ZizTTfi6dCEaZif vEB7nreHqxH3GU+KTve/Nc9+t9+fUA== =ED+y -----END PGP SIGNATURE----- --maB9TnJmEOphdCoKbSTDEjHhUM62e9NvA--