1 files changed, 1 insertions, 0 deletions
diff --git a/block_int.h b/block_int.h
index e3038160e6..c2a2e30a9f 100644
--- a/block_int.h
+++ b/block_int.h
@@ -36,6 +36,7 @@ struct BlockDriver {
     void (*bdrv_close)(BlockDriverState *bs);
     int (*bdrv_create)(const char *filename, int64_t total_sectors, 
                        const char *backing_file, int flags);
+    void (*bdrv_flush)(BlockDriverState *bs);
     int (*bdrv_is_allocated)(BlockDriverState *bs, int64_t sector_num,
                              int nb_sectors, int *pnum);
     int (*bdrv_set_key)(BlockDriverState *bs, const char *key);