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[Qemu-devel] [PATCH RFC v2 3/8] block: BdrvDirtyBitmap serialization int
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-devel] [PATCH RFC v2 3/8] block: BdrvDirtyBitmap serialization interface |
Date: |
Tue, 27 Jan 2015 13:56:32 +0300 |
Several functions to provide necessary access to BdrvDirtyBitmap for
block-migration.c
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
---
block.c | 36 ++++++++++++++++++++++++++++++++++++
include/block/block.h | 12 ++++++++++++
2 files changed, 48 insertions(+)
diff --git a/block.c b/block.c
index 6d3f0b2..9860fc1 100644
--- a/block.c
+++ b/block.c
@@ -5552,6 +5552,42 @@ void bdrv_clear_dirty_bitmap(BlockDriverState *bs,
BdrvDirtyBitmap *bitmap)
hbitmap_reset(bitmap->bitmap, 0, bitmap->size);
}
+const char *bdrv_dirty_bitmap_name(const BdrvDirtyBitmap *bitmap)
+{
+ return bitmap->name;
+}
+
+uint64_t bdrv_dirty_bitmap_data_size(const BdrvDirtyBitmap *bitmap,
+ uint64_t count)
+{
+ return hbitmap_data_size(bitmap->bitmap, count);
+}
+
+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)
+{
+ hbitmap_deserialize_part(bitmap->bitmap, buf, start, count);
+}
+
+void bdrv_dirty_bitmap_deserialize_part0(BdrvDirtyBitmap *bitmap,
+ uint64_t start, uint64_t count)
+{
+ hbitmap_deserialize_part0(bitmap->bitmap, start, count);
+}
+
+void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap)
+{
+ hbitmap_deserialize_finish(bitmap->bitmap);
+}
+
static void bdrv_set_dirty(BlockDriverState *bs, int64_t cur_sector,
int nr_sectors)
{
diff --git a/include/block/block.h b/include/block/block.h
index 6cf067f..0890cd2 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -460,6 +460,18 @@ void bdrv_set_dirty_iter(struct HBitmapIter *hbi, int64_t
offset);
int64_t bdrv_get_dirty_count(BlockDriverState *bs, BdrvDirtyBitmap *bitmap);
void bdrv_print_dirty_bitmap(BdrvDirtyBitmap *bitmap);
+const char *bdrv_dirty_bitmap_name(const BdrvDirtyBitmap *bitmap);
+uint64_t bdrv_dirty_bitmap_data_size(const BdrvDirtyBitmap *bitmap,
+ uint64_t count);
+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);
+void bdrv_dirty_bitmap_deserialize_part0(BdrvDirtyBitmap *bitmap,
+ uint64_t start, uint64_t count);
+void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap);
void bdrv_enable_copy_on_read(BlockDriverState *bs);
void bdrv_disable_copy_on_read(BlockDriverState *bs);
--
1.9.1
- [Qemu-devel] [PATCH RFC v2 0/8] Dirty bitmaps migration, Vladimir Sementsov-Ogievskiy, 2015/01/27
- [Qemu-devel] [PATCH RFC v2 3/8] block: BdrvDirtyBitmap serialization interface,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-devel] [PATCH RFC v2 6/8] block: add bdrv_next_dirty_bitmap(), Vladimir Sementsov-Ogievskiy, 2015/01/27
- [Qemu-devel] [PATCH RFC v2 4/8] block: add dirty-dirty bitmaps, Vladimir Sementsov-Ogievskiy, 2015/01/27
- [Qemu-devel] [PATCH RFC v2 2/8] hbitmap: serialization, Vladimir Sementsov-Ogievskiy, 2015/01/27
- [Qemu-devel] [PATCH RFC v2 7/8] migration: add dirty parameter, Vladimir Sementsov-Ogievskiy, 2015/01/27
- [Qemu-devel] [PATCH RFC v2 5/8] block: add bdrv_dirty_bitmap_enabled(), Vladimir Sementsov-Ogievskiy, 2015/01/27
- [Qemu-devel] [PATCH RFC v2 1/8] qmp: print dirty bitmap, Vladimir Sementsov-Ogievskiy, 2015/01/27
- [Qemu-devel] [PATCH RFC v2 8/8] migration: add migration/dirty-bitmap.c, Vladimir Sementsov-Ogievskiy, 2015/01/27