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[Qemu-devel] [PATCH 12/13] block: BdrvDirtyBitmap serialization interfac
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH 12/13] block: BdrvDirtyBitmap serialization interface |
Date: |
Mon, 4 Jan 2016 18:27:13 +0800 |
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 60ee965..d524549 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -428,6 +428,43 @@ 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 e36efb6..d4a8bf1 100644
--- a/include/block/dirty-bitmap.h
+++ b/include/block/dirty-bitmap.h
@@ -53,4 +53,18 @@ 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
--
2.4.3
- Re: [Qemu-devel] [PATCH 08/13] block: Support meta dirty bitmap, (continued)
- [Qemu-devel] [PATCH 09/13] block: Add two dirty bitmap getters, Fam Zheng, 2016/01/04
- [Qemu-devel] [PATCH 10/13] block: Assert that bdrv_release_dirty_bitmap succeeded, Fam Zheng, 2016/01/04
- [Qemu-devel] [PATCH 11/13] hbitmap: serialization, Fam Zheng, 2016/01/04
- [Qemu-devel] [PATCH 12/13] block: BdrvDirtyBitmap serialization interface,
Fam Zheng <=
- [Qemu-devel] [PATCH 13/13] tests: Add test code for hbitmap serialization, Fam Zheng, 2016/01/04
- Re: [Qemu-devel] [PATCH 00/13] Dirty bitmap changes for migration/persistence work, John Snow, 2016/01/07