Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
Reviewed-by: Max Reitz <mre...@redhat.com>
Reviewed-by: John Snow <js...@redhat.com>
---
block/dirty-bitmap.c | 7 +++++++
include/block/dirty-bitmap.h | 3 +++
2 files changed, 10 insertions(+)
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
index 07779a0f89..4e53cf1694 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -614,3 +614,10 @@ bool bdrv_has_changed_persistent_bitmaps(BlockDriverState
*bs)
return false;
}
+
+BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BlockDriverState *bs,
+ BdrvDirtyBitmap *bitmap)
+{
+ return bitmap == NULL ? QLIST_FIRST(&bs->dirty_bitmaps) :
+ QLIST_NEXT(bitmap, list);
+}
diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h
index 721f025850..a3ac9c3640 100644
--- a/include/block/dirty-bitmap.h
+++ b/include/block/dirty-bitmap.h
@@ -87,4 +87,7 @@ void bdrv_dirty_bitmap_set_persistance(BdrvDirtyBitmap
*bitmap,
bool bdrv_dirty_bitmap_get_persistance(BdrvDirtyBitmap *bitmap);
bool bdrv_has_changed_persistent_bitmaps(BlockDriverState *bs);
+BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BlockDriverState *bs,
+ BdrvDirtyBitmap *bitmap);
+
#endif
--
2.11.1
