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 5FACAC433FF for ; Wed, 7 Aug 2019 08:08:40 +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 36806229EC for ; Wed, 7 Aug 2019 08:08:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 36806229EC 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]:38088 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hvGzv-0001UF-Eo for qemu-devel@archiver.kernel.org; Wed, 07 Aug 2019 04:08:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40411) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hvGzF-0008Bm-Bu for qemu-devel@nongnu.org; Wed, 07 Aug 2019 04:07:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hvGzE-0006rd-Au for qemu-devel@nongnu.org; Wed, 07 Aug 2019 04:07:57 -0400 Received: from relay.sw.ru ([185.231.240.75]:53662) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hvGzC-0006oP-64; Wed, 07 Aug 2019 04:07:54 -0400 Received: from [10.94.3.0] (helo=kvm.qa.sw.ru) by relay.sw.ru with esmtp (Exim 4.92) (envelope-from ) id 1hvGz8-000300-EF; Wed, 07 Aug 2019 11:07:50 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-block@nongnu.org Date: Wed, 7 Aug 2019 11:07:42 +0300 Message-Id: <20190807080750.15950-1-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.18.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 185.231.240.75 Subject: [Qemu-devel] [PATCH 0/8] backup improvements 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: fam@euphon.net, kwolf@redhat.com, vsementsov@virtuozzo.com, armbru@redhat.com, qemu-devel@nongnu.org, mreitz@redhat.com, stefanha@redhat.com, den@openvz.org, jsnow@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi all! There are some fixes and refactorings I need on my way to resend my backup-top series. It's obvious now that I need to share copying code between backup and backup-top, as backup copying code becomes smarter and more complicated. So the goal of the series is to make copying code more share-able. It's based on John's bitmaps branch, rebased on master. Vladimir Sementsov-Ogievskiy (8): block/backup: deal with zero detection block/backup: refactor write_flags block/io: handle alignment and max_transfer for copy_range block/backup: improve unallocated clusters skipping block/backup: fix backup_cow_with_offload for last cluster block/backup: teach backup_cow_with_bounce_buffer to copy more at once block/backup: merge duplicated logic into backup_do_cow block/backup: backup_do_cow: use bdrv_dirty_bitmap_next_dirty_area block/backup.c | 191 ++++++++++++++++++++----------------------------- block/io.c | 41 ++++++++--- blockdev.c | 8 +-- 3 files changed, 115 insertions(+), 125 deletions(-) -- 2.18.0