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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 9AEAAC2D0BF for ; Mon, 16 Dec 2019 12:19:13 +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 7465F206CB for ; Mon, 16 Dec 2019 12:19:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7465F206CB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=virtuozzo.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:52598 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1igpLD-00020s-St for qemu-devel@archiver.kernel.org; Mon, 16 Dec 2019 07:19:11 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49365) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1igpJp-0000Wh-Hh for qemu-devel@nongnu.org; Mon, 16 Dec 2019 07:17:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1igpJn-0001rj-SY for qemu-devel@nongnu.org; Mon, 16 Dec 2019 07:17:44 -0500 Received: from relay.sw.ru ([185.231.240.75]:33568) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1igpJn-0001rA-LW; Mon, 16 Dec 2019 07:17:43 -0500 Received: from vovaso.qa.sw.ru ([10.94.3.0] helo=kvm.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.92.3) (envelope-from ) id 1igpJd-00033D-RU; Mon, 16 Dec 2019 15:17:34 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Subject: [PATCH v9 0/2] qcow2: add zstd cluster compression Date: Mon, 16 Dec 2019 15:17:31 +0300 Message-Id: <20191216121733.63562-1-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.18.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 185.231.240.75 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: kwolf@redhat.com, vsementsov@virtuozzo.com, qemu-block@nongnu.org, armbru@redhat.com, mreitz@redhat.com, dplotnikov@virtuozzo.com, den@openvz.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi all! Here is my proposal, about how to correctly update qcow2 specification to introduce new field, keeping in mind currently existing images and downstream Qemu instances. v9: Merge 01 and 02 Change wordings Require header alignment Vladimir Sementsov-Ogievskiy (2): docs: improve qcow2 spec about extending image header docs: qcow2: introduce compression type feature docs/interop/qcow2.txt | 53 +++++++++++++++++++++++++++++++++++++++--- 1 file changed, 50 insertions(+), 3 deletions(-) -- 2.18.0