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[Qemu-devel] [PATCH 02/12] block: BdrvDirtyBitmap serialization interfac
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-devel] [PATCH 02/12] block: BdrvDirtyBitmap serialization interface |
Date: |
Fri, 7 Aug 2015 12:32:34 +0300 |
From: Vladimir Sementsov-Ogievskiy <address@hidden>
Several functions to provide necessary access to BdrvDirtyBitmap for
block-migration.c
Reviewed-by: John Snow <address@hidden>
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
---
block.c | 36 ++++++++++++++++++++++++++++++++++++
include/block/block.h | 13 +++++++++++++
2 files changed, 49 insertions(+)
diff --git a/block.c b/block.c
index d088ee0..8937296 100644
--- a/block.c
+++ b/block.c
@@ -3572,6 +3572,42 @@ void bdrv_clear_dirty_bitmap(BdrvDirtyBitmap *bitmap)
hbitmap_reset_all(bitmap->bitmap);
}
+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_zeroes(BdrvDirtyBitmap *bitmap,
+ uint64_t start, uint64_t count)
+{
+ hbitmap_deserialize_zeroes(bitmap->bitmap, start, count);
+}
+
+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/block.h b/include/block/block.h
index 37916f7..b82f957 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -508,6 +508,19 @@ void bdrv_dirty_iter_init(BdrvDirtyBitmap *bitmap, struct
HBitmapIter *hbi);
void bdrv_set_dirty_iter(struct HBitmapIter *hbi, int64_t offset);
int64_t bdrv_get_dirty_count(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_zeroes(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);
--
2.1.4
- [Qemu-devel] [PATCH v6 00/12] Dirty bitmaps migration, Vladimir Sementsov-Ogievskiy, 2015/08/07
- [Qemu-devel] [PATCH 02/12] block: BdrvDirtyBitmap serialization interface,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-devel] [PATCH 01/12] hbitmap: serialization, Vladimir Sementsov-Ogievskiy, 2015/08/07
- [Qemu-devel] [PATCH 04/12] block: add meta bitmaps, Vladimir Sementsov-Ogievskiy, 2015/08/07
- [Qemu-devel] [PATCH 03/12] block: tiny refactoring: minimize hbitmap_(set/reset) usage, Vladimir Sementsov-Ogievskiy, 2015/08/07
- [Qemu-devel] [PATCH 05/12] block: add bdrv_next_dirty_bitmap(), Vladimir Sementsov-Ogievskiy, 2015/08/07
- [Qemu-devel] [PATCH 06/12] qapi: add dirty-bitmaps migration capability, Vladimir Sementsov-Ogievskiy, 2015/08/07
- [Qemu-devel] [PATCH 07/12] migration/qemu-file: add qemu_put_counted_string(), Vladimir Sementsov-Ogievskiy, 2015/08/07
- [Qemu-devel] [PATCH 09/12] iotests: maintain several vms in test, Vladimir Sementsov-Ogievskiy, 2015/08/07
- [Qemu-devel] [PATCH 10/12] iotests: add add_incoming_migration to VM class, Vladimir Sementsov-Ogievskiy, 2015/08/07
- [Qemu-devel] [PATCH 08/12] migration: add migration/block-dirty-bitmap.c, Vladimir Sementsov-Ogievskiy, 2015/08/07