[Qemu-devel] [PATCH COLO-BLOCK v8 00/18] Block replication for continuous checkpoints

[Wen Congyang <wency@cn.fujitsu.com>]

Block replication is a very important feature which is used for
continuous checkpoints(for example: COLO).

You can the detailed information about block replication from here:
http://wiki.qemu.org/Features/BlockReplication

Usage:
Please refer to docs/block-replication.txt

You can get the patch here:
https://github.com/coloft/qemu/tree/wency/block-replication-v8

You can get the patch with framework here:
https://github.com/coloft/qemu/tree/wency/colo_framework_v8

TODO:
1. Continuous block replication. It will be started after basic functions
   are accepted.

Wen Congyang (18):
  Add new block driver interface to add/delete a BDS's child
  quorum: implement block driver interfaces add/delete a BDS's child
  hmp: add monitor command to add/remove a child
  introduce a new API qemu_opts_absorb_qdict_by_index()
  quorum: allow ignoring child errors
  introduce a new API to enable/disable attach device model
  introduce a new API to check if blk is attached
  block: make bdrv_put_ref_bh_schedule() as a public API
  Backup: clear all bitmap when doing block checkpoint
  allow writing to the backing file
  Allow creating backup jobs when opening BDS
  block: Allow references for backing files
  docs: block replication's description
  Add new block driver interfaces to control block replication
  skip nbd_target when starting block replication
  quorum: implement block driver interfaces for block replication
  Implement new driver for block replication
  Add a new API to start/stop replication, do checkpoint to all BDSes

 block.c                        | 266 ++++++++++++++++++++++++-
 block/Makefile.objs            |   3 +-
 block/backup.c                 |  13 ++
 block/block-backend.c          |  33 +++
 block/quorum.c                 | 244 ++++++++++++++++++++++-
 block/replication.c            | 443 +++++++++++++++++++++++++++++++++++++++++
 blockdev.c                     |  90 ++++++---
 blockjob.c                     |  10 +
 docs/block-replication.txt     | 182 +++++++++++++++++
 hmp-commands.hx                |  28 +++
 include/block/block.h          |  15 ++
 include/block/block_int.h      |  19 ++
 include/block/blockjob.h       |  12 ++
 include/qemu/option.h          |   2 +
 include/sysemu/block-backend.h |   3 +
 include/sysemu/blockdev.h      |   2 +
 qapi/block.json                |  16 ++
 util/qemu-option.c             |  44 ++++
 18 files changed, 1378 insertions(+), 47 deletions(-)
 create mode 100644 block/replication.c
 create mode 100644 docs/block-replication.txt

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2.4.3