dirty-bitmap: add bdrv_dirty_bitmap_next_dirty_area
The function alters bdrv_dirty_iter_next_area(), which is wrong and
less efficient (see further commit
"block/mirror: fix and improve do_sync_target_write" for description).
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c
index b162f4a..c151837 100644
--- a/block/dirty-bitmap.c
+++ b/block/dirty-bitmap.c
@@ -787,6 +787,12 @@
return hbitmap_next_zero(bitmap->bitmap, offset, bytes);
}
+bool bdrv_dirty_bitmap_next_dirty_area(BdrvDirtyBitmap *bitmap,
+ uint64_t *offset, uint64_t *bytes)
+{
+ return hbitmap_next_dirty_area(bitmap->bitmap, offset, bytes);
+}
+
void bdrv_merge_dirty_bitmap(BdrvDirtyBitmap *dest, const BdrvDirtyBitmap *src,
HBitmap **backup, Error **errp)
{
