qemu-img: There is more than one host device driver

[qemu.git] / block_int.h

diff --git a/block_int.h b/block_int.h
index 907e8641019b2d1084d4a1bec0731f8521563ab6..9a3b2e09de5482695d6eae053e53a11d352e13f1 100644 (file)
--- a/block_int.h
+++ b/block_int.h
@@ -117,6 +117,9 @@ struct BlockDriver {
     /* 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;
 };