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Re: [Qemu-devel] [PATCH 00/13] Dirty bitmap changes for migration/persis
From: |
John Snow |
Subject: |
Re: [Qemu-devel] [PATCH 00/13] Dirty bitmap changes for migration/persistence work |
Date: |
Thu, 7 Jan 2016 16:32:53 -0500 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
On 01/04/2016 05:27 AM, Fam Zheng wrote:
> 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 (11):
> backup: Use Bitmap to replace "s->bitmap"
> typedefs: Add BdrvDirtyBitmap and HBitmapIter
> 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
>
> Vladimir Sementsov-Ogievskiy (2):
> hbitmap: serialization
> block: BdrvDirtyBitmap serialization interface
>
> block.c | 339 -----------------------------
> block/Makefile.objs | 2 +-
> block/backup.c | 25 ++-
> block/dirty-bitmap.c | 491
> +++++++++++++++++++++++++++++++++++++++++++
> block/mirror.c | 14 +-
> include/block/block.h | 39 +---
> include/block/dirty-bitmap.h | 70 ++++++
> include/qemu/hbitmap.h | 84 ++++++++
> include/qemu/typedefs.h | 3 +
> tests/test-hbitmap.c | 252 ++++++++++++++++++++++
> util/hbitmap.c | 197 +++++++++++++++--
> 11 files changed, 1106 insertions(+), 410 deletions(-)
> create mode 100644 block/dirty-bitmap.c
> create mode 100644 include/block/dirty-bitmap.h
>
That's all I've got for now. Happy New Year!
What's your roadmap for these patches? This, then QBM?
--js
- Re: [Qemu-devel] [PATCH 09/13] block: Add two dirty bitmap getters, (continued)