1 files changed, 1 insertions, 0 deletions
diff --git a/block.h b/block.h
index f58edf17c3..f87d24e5c8 100644
--- a/block.h
+++ b/block.h
@@ -122,6 +122,7 @@ BlockDriverAIOCB *bdrv_aio_ioctl(BlockDriverState *bs,
 void bdrv_flush(BlockDriverState *bs);
 void bdrv_flush_all(void);
 
+int bdrv_has_zero_init(BlockDriverState *bs);
 int bdrv_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors,
 	int *pnum);