Re: [Qemu-devel] [PATCH v4 00/15] Dirty bitmap changes for migration/persistence work

[Fam Zheng <famz@redhat.com>]

On Thu, 06/02 18:49, John Snow wrote:
> 
> 
> On 06/02/2016 07:43 AM, Vladimir Sementsov-Ogievskiy wrote:
> > Hi, what are the plans?
> > 
> 
> I'm not sure. Fam, part of this series was merged, wasn't it?
> 
> Do you have outstanding work that you'd like me to take over and push
> through for you?

I will rebase patches 6 - 15, address comments from Max on this revision and
send v5 soon. You are very welcome to take over from there! Thanks a lot!

Fam

> 
> --js
> 
> > On 26.05.2016 03:47, Fam Zheng wrote:
> >> On Wed, 05/25 17:45, Vladimir Sementsov-Ogievskiy wrote:
> >>> Hi!
> >>>
> >>> Are you going to update the series in the near future?
> >> Yes, probably in a couple days.
> >>
> >> Fam
> >>
> >>> On 08.03.2016 07:44, Fam Zheng wrote:
> >>>> v4: Rebase.
> >>>>       Add rev-by from John in patches 1-5, 7, 8.
> >>>>       Remove BdrvDirtyBitmap typedef from dirty-bitmap.h in patch 4.
> >>>> [Max]
> >>>>       Add assertion on bm->meta in patch 9. [John]
> >>>>
> >>>> Two major features are added to block dirty bitmap (and underlying
> >>>> HBitmap) in
> >>>> this series: meta bitmap and serialization, together with all other
> >>>> supportive
> >>>> patches.
> >>>>
> >>>> Both operations are common in dirty bitmap migration and
> >>>> persistence: they need
> >>>> to find whether and which part of the dirty bitmap in question has
> >>>> changed with
> >>>> meta dirty bitmap, and they need to write it to the target with
> >>>> serialization.
> >>>>
> >>>>
> >>>> Fam Zheng (13):
> >>>>     backup: Use Bitmap to replace "s->bitmap"
> >>>>     block: Include hbitmap.h in block.h
> >>>>     typedefs: Add BdrvDirtyBitmap
> >>>>     block: Move block dirty bitmap code to separate files
> >>>>     block: Remove unused typedef of BlockDriverDirtyHandler
> >>>>     block: Hide HBitmap in block dirty bitmap interface
> >>>>     HBitmap: Introduce "meta" bitmap to track bit changes
> >>>>     tests: Add test code for meta bitmap
> >>>>     block: Support meta dirty bitmap
> >>>>     block: Add two dirty bitmap getters
> >>>>     block: Assert that bdrv_release_dirty_bitmap succeeded
> >>>>     tests: Add test code for hbitmap serialization
> >>>>     block: More operations for meta dirty bitmap
> >>>>
> >>>> Vladimir Sementsov-Ogievskiy (2):
> >>>>     hbitmap: serialization
> >>>>     block: BdrvDirtyBitmap serialization interface
> >>>>
> >>>>    block.c                      | 360 -----------------------------
> >>>>    block/Makefile.objs          |   2 +-
> >>>>    block/backup.c               |  25 +-
> >>>>    block/dirty-bitmap.c         | 535
> >>>> +++++++++++++++++++++++++++++++++++++++++++
> >>>>    block/mirror.c               |  15 +-
> >>>>    include/block/block.h        |  40 +---
> >>>>    include/block/dirty-bitmap.h |  75 ++++++
> >>>>    include/qemu/hbitmap.h       |  96 ++++++++
> >>>>    include/qemu/typedefs.h      |   2 +
> >>>>    tests/test-hbitmap.c         | 255 +++++++++++++++++++++
> >>>>    util/hbitmap.c               | 203 ++++++++++++++--
> >>>>    11 files changed, 1177 insertions(+), 431 deletions(-)
> >>>>    create mode 100644 block/dirty-bitmap.c
> >>>>    create mode 100644 include/block/dirty-bitmap.h
> >>>>
> >>>
> >>> -- 
> >>> Best regards,
> >>> Vladimir
> >>>
> >>>
> > 
> > 
> 
> -- 
> —js