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[Qemu-devel] [PATCH v3 13/15] block: BdrvDirtyBitmap serialization inter
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH v3 13/15] block: BdrvDirtyBitmap serialization interface |
Date: |
Sat, 27 Feb 2016 17:20:55 +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>
Reviewed-by: John Snow <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 27d33e7..ef1c49c 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -452,6 +452,43 @@ 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 2e70a7e..9b838f3 100644
--- a/include/block/dirty-bitmap.h
+++ b/include/block/dirty-bitmap.h
@@ -56,4 +56,18 @@ 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
- [Qemu-devel] [PATCH v3 03/15] typedefs: Add BdrvDirtyBitmap, (continued)
- [Qemu-devel] [PATCH v3 03/15] typedefs: Add BdrvDirtyBitmap, Fam Zheng, 2016/02/27
- [Qemu-devel] [PATCH v3 05/15] block: Remove unused typedef of BlockDriverDirtyHandler, Fam Zheng, 2016/02/27
- [Qemu-devel] [PATCH v3 04/15] block: Move block dirty bitmap code to separate files, Fam Zheng, 2016/02/27
- [Qemu-devel] [PATCH v3 06/15] block: Hide HBitmap in block dirty bitmap interface, Fam Zheng, 2016/02/27
- [Qemu-devel] [PATCH v3 07/15] HBitmap: Introduce "meta" bitmap to track bit changes, Fam Zheng, 2016/02/27
- [Qemu-devel] [PATCH v3 08/15] tests: Add test code for meta bitmap, Fam Zheng, 2016/02/27
- [Qemu-devel] [PATCH v3 09/15] block: Support meta dirty bitmap, Fam Zheng, 2016/02/27
- [Qemu-devel] [PATCH v3 10/15] block: Add two dirty bitmap getters, Fam Zheng, 2016/02/27
- [Qemu-devel] [PATCH v3 11/15] block: Assert that bdrv_release_dirty_bitmap succeeded, Fam Zheng, 2016/02/27
- [Qemu-devel] [PATCH v3 12/15] hbitmap: serialization, Fam Zheng, 2016/02/27
- [Qemu-devel] [PATCH v3 13/15] block: BdrvDirtyBitmap serialization interface,
Fam Zheng <=
- [Qemu-devel] [PATCH v3 14/15] tests: Add test code for hbitmap serialization, Fam Zheng, 2016/02/27
- [Qemu-devel] [PATCH v3 15/15] block: More operations for meta dirty bitmap, Fam Zheng, 2016/02/27