1 files changed, 1 insertions, 0 deletions
diff --git a/block_int.h b/block_int.h
index a3afe638fb..1a7240c582 100644
--- a/block_int.h
+++ b/block_int.h
@@ -167,6 +167,7 @@ struct BlockDriverState {
     uint64_t wr_bytes;
     uint64_t rd_ops;
     uint64_t wr_ops;
+    uint64_t wr_highest_sector;
 
     /* Whether the disk can expand beyond total_sectors */
     int growable;