1 files changed, 1 insertions, 0 deletions
diff --git a/sysemu.h b/sysemu.h
index bc6d5af21e..026360c563 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -134,6 +134,7 @@ typedef struct DriveInfo {
     BlockInterfaceType type;
     int bus;
     int unit;
+    int used;
     BlockInterfaceErrorAction onerror;
     char serial[21];
 } DriveInfo;