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[Qemu-devel] [PATCH RFC v4 02/13] block: BdrvDirtyBitmap serialization i
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-devel] [PATCH RFC v4 02/13] block: BdrvDirtyBitmap serialization interface |
Date: |
Fri, 27 Feb 2015 20:24:40 +0300 |
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 e4547d7..e95a5ae 100644
--- a/block.c
+++ b/block.c
@@ -5674,6 +5674,42 @@ void bdrv_clear_dirty_bitmap(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_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);
+}
+
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 c9d96a6..c6a928d 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -474,6 +474,19 @@ 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);
--
1.9.1
- [Qemu-devel] [PATCH RFC v4 00/13] Dirty bitmaps migration, Vladimir Sementsov-Ogievskiy, 2015/02/27
- [Qemu-devel] [PATCH RFC v4 09/13] iotests: add add_incoming_migration to VM class, Vladimir Sementsov-Ogievskiy, 2015/02/27
- [Qemu-devel] [PATCH RFC v4 03/13] block: tiny refactoring: minimize hbitmap_(set/reset) usage, Vladimir Sementsov-Ogievskiy, 2015/02/27
- [Qemu-devel] [PATCH RFC v4 05/13] block: add bdrv_next_dirty_bitmap(), Vladimir Sementsov-Ogievskiy, 2015/02/27
- [Qemu-devel] [PATCH RFC v4 06/13] qapi: add dirty-bitmaps migration capability, Vladimir Sementsov-Ogievskiy, 2015/02/27
- [Qemu-devel] [PATCH RFC v4 11/13] qapi: add md5 checksum of last dirty bitmap level to query-block, Vladimir Sementsov-Ogievskiy, 2015/02/27
- [Qemu-devel] [PATCH RFC v4 02/13] block: BdrvDirtyBitmap serialization interface,
Vladimir Sementsov-Ogievskiy <=
- [Qemu-devel] [PATCH RFC v4 12/13] iotests: add dirty bitmap migration test, Vladimir Sementsov-Ogievskiy, 2015/02/27
- [Qemu-devel] [PATCH RFC v4 08/13] iotests: maintain several vms in test, Vladimir Sementsov-Ogievskiy, 2015/02/27
- [Qemu-devel] [PATCH RFC v4 13/13] migration/qemu-file: make functions qemu_(get/put)_string public, Vladimir Sementsov-Ogievskiy, 2015/02/27
- [Qemu-devel] [PATCH RFC v4 04/13] block: add meta bitmaps, Vladimir Sementsov-Ogievskiy, 2015/02/27
- [Qemu-devel] [PATCH RFC v4 01/13] hbitmap: serialization, Vladimir Sementsov-Ogievskiy, 2015/02/27
- [Qemu-devel] [PATCH RFC v4 10/13] iotests: add event_wait to VM class, Vladimir Sementsov-Ogievskiy, 2015/02/27
- [Qemu-devel] [PATCH RFC v4 07/13] migration: add migration/block-dirty-bitmap.c, Vladimir Sementsov-Ogievskiy, 2015/02/27
- Re: [Qemu-devel] [PATCH RFC v4 00/13] Dirty bitmaps migration, John Snow, 2015/02/27