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[Qemu-devel] [PATCH RFC v4 05/13] block: add bdrv_next_dirty_bitmap()
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[Qemu-devel] [PATCH RFC v4 05/13] block: add bdrv_next_dirty_bitmap() |
Date: |
Fri, 27 Feb 2015 20:24:43 +0300 |
Like bdrv_next() - bdrv_next_dirty_bitmap() is a function to provide
access to private dirty bitmaps list.
Reviewed-by: John Snow <address@hidden>
Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
---
block.c | 10 ++++++++++
include/block/block.h | 2 ++
2 files changed, 12 insertions(+)
diff --git a/block.c b/block.c
index e77be2e..7b6251c 100644
--- a/block.c
+++ b/block.c
@@ -5653,6 +5653,16 @@ BlockDirtyBitmapInfo
*bdrv_query_dirty_bitmap(BlockDriverState *bs,
return info;
}
+BdrvDirtyBitmap *bdrv_next_dirty_bitmap(BlockDriverState *bs,
+ BdrvDirtyBitmap *bitmap)
+{
+ if (bitmap == NULL) {
+ return QLIST_FIRST(&bs->dirty_bitmaps);
+ }
+
+ return QLIST_NEXT(bitmap, list);
+}
+
int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, int64_t
sector)
{
if (bitmap) {
diff --git a/include/block/block.h b/include/block/block.h
index 00e34b5..ae08d51 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -487,6 +487,8 @@ void bdrv_dirty_bitmap_deserialize_part(BdrvDirtyBitmap
*bitmap,
void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap,
uint64_t start, uint64_t count);
void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap);
+BdrvDirtyBitmap *bdrv_next_dirty_bitmap(BlockDriverState *bs,
+ BdrvDirtyBitmap *bitmap);
/* chunk size here is number of bytes of the @bitmap data per one bit of the
* meta bitmap being created */
--
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 <=
- [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, 2015/02/27
- [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