qemu-img: There is more than one host device driver
I haven't heard yet of anyone using qemu-img to copy an image to a real floppy,
but it's a valid use case.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/block_int.h b/block_int.h
index 907e864..9a3b2e0 100644
--- a/block_int.h
+++ b/block_int.h
@@ -117,6 +117,9 @@
/* Returns number of errors in image, -errno for internal errors */
int (*bdrv_check)(BlockDriverState* bs);
+ /* Set if newly created images are not guaranteed to contain only zeros */
+ int no_zero_init;
+
struct BlockDriver *next;
};