Like bdrv_next() - bdrv_next_dirty_bitmap() is a function to provide
access to private dirty bitmaps list.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
Reviewed-by: John Snow <js...@redhat.com>
---
block/dirty-bitmap.c | 10 ++++++++++
include/block/dirty-bitmap.h | 3 +++
2 files changed, 13 insertions(+)
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
index 519737c..7547c78 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -533,3 +533,13 @@ int64_t bdrv_get_meta_dirty_count(BdrvDirtyBitmap *bitmap)
{
return hbitmap_count(bitmap->meta);
}
+
+BdrvDirtyBitmap *bdrv_next_dirty_bitmap(BlockDriverState *bs,
+ BdrvDirtyBitmap *bitmap)
+{
+ if (bitmap == NULL) {
+ return QLIST_FIRST(&bs->dirty_bitmaps);
+ }
+
+ return QLIST_NEXT(bitmap, list);
+}
diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h
index 9dea14b..1a457d5 100644
--- a/include/block/dirty-bitmap.h
+++ b/include/block/dirty-bitmap.h
@@ -72,4 +72,7 @@ void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap
*bitmap,
bool finish);
void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap);
+BdrvDirtyBitmap *bdrv_next_dirty_bitmap(BlockDriverState *bs,
+ BdrvDirtyBitmap *bitmap);
+
#endif
--
1.8.3.1
