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

From: Vladimir Sementsov-Ogievskiy
Subject: Re: [Qemu-block] [Qemu-devel] [PATCH v4 00/15] Dirty bitmap changes for migration/persistence work
Date: Thu, 2 Jun 2016 14:43:11 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0

Hi, what are the plans?

On 26.05.2016 03:47, Fam Zheng wrote:
On Wed, 05/25 17:45, Vladimir Sementsov-Ogievskiy wrote:

Are you going to update the series in the near future?
Yes, probably in a couple days.


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

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,

Best regards,

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