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Re: [Qemu-devel] [PATCH v2 12/13] block: BdrvDirtyBitmap serialization i
From: |
John Snow |
Subject: |
Re: [Qemu-devel] [PATCH v2 12/13] block: BdrvDirtyBitmap serialization interface |
Date: |
Tue, 26 Jan 2016 12:07:13 -0500 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
On 01/20/2016 01:11 AM, Fam Zheng wrote:
> From: Vladimir Sementsov-Ogievskiy <address@hidden>
>
> Several functions to provide necessary access to BdrvDirtyBitmap for
> block-migration.c
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> [Add the "finish" parameters. - Fam]
> Signed-off-by: Fam Zheng <address@hidden>
> ---
> block/dirty-bitmap.c | 37 +++++++++++++++++++++++++++++++++++++
> include/block/dirty-bitmap.h | 14 ++++++++++++++
> 2 files changed, 51 insertions(+)
>
> diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
> index ec13d38..919ce10 100644
> --- a/block/dirty-bitmap.c
> +++ b/block/dirty-bitmap.c
> @@ -429,6 +429,43 @@ void bdrv_undo_clear_dirty_bitmap(BdrvDirtyBitmap
> *bitmap, HBitmap *in)
> hbitmap_free(tmp);
> }
>
> +uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap,
> + uint64_t start, uint64_t count)
> +{
> + return hbitmap_serialization_size(bitmap->bitmap, start, count);
> +}
> +
> +uint64_t bdrv_dirty_bitmap_serialization_align(const BdrvDirtyBitmap *bitmap)
> +{
> + return hbitmap_serialization_granularity(bitmap->bitmap);
> +}
> +
> +void bdrv_dirty_bitmap_serialize_part(const BdrvDirtyBitmap *bitmap,
> + uint8_t *buf, uint64_t start,
> + uint64_t count)
> +{
> + hbitmap_serialize_part(bitmap->bitmap, buf, start, count);
> +}
> +
> +void bdrv_dirty_bitmap_deserialize_part(BdrvDirtyBitmap *bitmap,
> + uint8_t *buf, uint64_t start,
> + uint64_t count, bool finish)
> +{
> + hbitmap_deserialize_part(bitmap->bitmap, buf, start, count, finish);
> +}
> +
> +void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap,
> + uint64_t start, uint64_t count,
> + bool finish)
> +{
> + hbitmap_deserialize_zeroes(bitmap->bitmap, start, count, finish);
> +}
> +
> +void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap)
> +{
> + hbitmap_deserialize_finish(bitmap->bitmap);
> +}
> +
> void bdrv_set_dirty(BlockDriverState *bs, int64_t cur_sector,
> int nr_sectors)
> {
> diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h
> index 8c29c3e..6ba5bec 100644
> --- a/include/block/dirty-bitmap.h
> +++ b/include/block/dirty-bitmap.h
> @@ -54,4 +54,18 @@ void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *hbi, int64_t
> sector_num);
> int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap);
> void bdrv_dirty_bitmap_truncate(BlockDriverState *bs);
>
> +uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap,
> + uint64_t start, uint64_t
> count);
> +uint64_t bdrv_dirty_bitmap_serialization_align(const BdrvDirtyBitmap
> *bitmap);
> +void bdrv_dirty_bitmap_serialize_part(const BdrvDirtyBitmap *bitmap,
> + uint8_t *buf, uint64_t start,
> + uint64_t count);
> +void bdrv_dirty_bitmap_deserialize_part(BdrvDirtyBitmap *bitmap,
> + uint8_t *buf, uint64_t start,
> + uint64_t count, bool finish);
> +void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap,
> + uint64_t start, uint64_t count,
> + bool finish);
> +void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap);
> +
> #endif
>
Reviewed-by: John Snow <address@hidden>
- Re: [Qemu-devel] [PATCH v2 08/13] block: Support meta dirty bitmap, (continued)
Re: [Qemu-devel] [PATCH v2 08/13] block: Support meta dirty bitmap, John Snow, 2016/01/25
[Qemu-devel] [PATCH v2 09/13] block: Add two dirty bitmap getters, Fam Zheng, 2016/01/20
[Qemu-devel] [PATCH v2 10/13] block: Assert that bdrv_release_dirty_bitmap succeeded, Fam Zheng, 2016/01/20
[Qemu-devel] [PATCH v2 11/13] hbitmap: serialization, Fam Zheng, 2016/01/20
[Qemu-devel] [PATCH v2 12/13] block: BdrvDirtyBitmap serialization interface, Fam Zheng, 2016/01/20
- Re: [Qemu-devel] [PATCH v2 12/13] block: BdrvDirtyBitmap serialization interface,
John Snow <=
[Qemu-devel] [PATCH v2 13/13] tests: Add test code for hbitmap serialization, Fam Zheng, 2016/01/20
Re: [Qemu-devel] [PATCH v2 00/13] Dirty bitmap changes for migration/persistence work, Vladimir Sementsov-Ogievskiy, 2016/01/20
Re: [Qemu-devel] [PATCH v2 00/13] Dirty bitmap changes for migration/persistence work, Vladimir Sementsov-Ogievskiy, 2016/01/21
[Qemu-devel] [PATCH v2 14/13] block: More operations for meta dirty bitmap, Fam Zheng, 2016/01/26