From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40371) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yahgi-0005zf-CS for qemu-devel@nongnu.org; Wed, 25 Mar 2015 05:33:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Yahgd-0007oG-Ai for qemu-devel@nongnu.org; Wed, 25 Mar 2015 05:33:24 -0400 From: Wen Congyang Date: Wed, 25 Mar 2015 17:36:01 +0800 Message-ID: <1427276174-9130-1-git-send-email-wency@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [RFC PATCH COLO v2 00/13] Block replication for continuous checkpoints List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu devel , Fam Zheng , Max Reitz , Paolo Bonzini Cc: Kevin Wolf , qemu block , Lai Jiangshan , Jiang Yunhong , Dong Eddie , "Dr. David Alan Gilbert" , Stefan Hajnoczi , Yang Hongyang Block replication is a very important feature which is used for continuous checkpoints(for example: COLO). Usage: Please refer to docs/block-replication.txt You can get the patch here: https://github.com/wencongyang/qemu-colo/commits/block-replication-v2 Changs Log: V2: 1. Redesign the secondary qemu(use image-fleecing) 2. Use Error objects to return error message 3. Address the comments from Max Reitz and Eric Blake Wen Congyang (13): docs: block replication's description quorum: allow ignoring child errors NBD client: connect to nbd server later Add new block driver interfaces to control block replication quorum: implement block driver interfaces for block replication NBD client: implement block driver interfaces for block replication allow writing to the backing file Allow creating backup jobs when opening BDS block: Parse "backing_reference" option to reference existing BDS Backup: clear all bitmap when doing block checkpoint qcow2: support colo skip nbd_target when starting block replication Don't allow a disk use backing reference target block.c | 242 +++++++++++++++++++++++- block/Makefile.objs | 2 +- block/backup.c | 12 ++ block/nbd.c | 171 +++++++++++++++-- block/qcow2.c | 447 ++++++++++++++++++++++++++++++++++++++++++++- block/qcow2.h | 6 + block/quorum.c | 143 ++++++++++++++- docs/block-replication.txt | 147 +++++++++++++++ include/block/block.h | 5 + include/block/block_int.h | 13 ++ include/qemu/hbitmap.h | 8 + qapi/block.json | 16 ++ tests/qemu-iotests/051 | 13 ++ tests/qemu-iotests/051.out | 13 ++ util/hbitmap.c | 19 ++ 15 files changed, 1230 insertions(+), 27 deletions(-) create mode 100644 docs/block-replication.txt -- 2.1.0