On 07/02/2015 10:47 PM, Michael R. Hines wrote: > Is this up to date: > > On 06/29/2015 10:34 PM, Wen Congyang wrote: >> 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-v7 >> >> You can get ths patch with framework here: >> https://github.com/wencongyang/qemu-colo/commits/colo_framework_v7.2 >> >> TODO: >> 1. Continuous block replication. It will be started after basic functions >> are accepted. >> >> Changs Log: >> V7: >> 1. Implement adding/removing quorum child. Remove the option non-connect. >> 2. Simplify the backing refrence option according to Stefan Hajnoczi's >> suggestion >> V6: >> 1. Rebase to the newest qemu. >> V5: >> 1. Address the comments from Gong Lei >> 2. Speed the failover up. The secondary vm can take over very quickly even >> if there are too many I/O requests. >> V4: >> 1. Introduce a new driver replication to avoid touch nbd and qcow2. >> V3: >> 1: use error_setg() instead of error_set() >> 2. Add a new block job API >> 3. Active disk, hidden disk and nbd target uses the same AioContext >> 4. Add a testcase to test new hbitmap API >> 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 (17): >> 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 >> >> block.c | 198 +++++++++++++++++- >> 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 | 179 +++++++++++++++++ >> hmp-commands.hx | 28 +++ >> include/block/block.h | 11 + >> 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, 1303 insertions(+), 47 deletions(-) >> create mode 100644 block/replication.c >> create mode 100644 docs/block-replication.txt >> > > Is this update to date with the wiki the documentation? > > https://github.com/wencongyang/qemu-colo/commits/block-replication-v7 > > I just want to test this patchset, rather than the whole colo patcheset.
I forgot to update the patch 13. So please setup the envrionment according to the wiki. Thanks Wen Congyang > > - Michael > > . >
