Signed-off-by: Vladimir Sementsov-Ogievskiy <[email protected]>
Reviewed-by: Max Reitz <[email protected]>
Reviewed-by: John Snow <[email protected]>
---
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 bac4fe3008..df0d3cd954 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -597,3 +597,10 @@ 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 a48e4df246..741573be97 100644
--- a/include/block/dirty-bitmap.h
+++ b/include/block/dirty-bitmap.h
@@ -86,4 +86,7 @@ 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
