2 files changed, 3 insertions, 2 deletions
diff --git a/include/block/block.h b/include/block/block.h
index 9dc6aada99..e5fc566fbc 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -348,6 +348,7 @@ void path_combine(char *dest, int dest_size,
                   const char *base_path,
                   const char *filename);
 
+int bdrv_writev_vmstate(BlockDriverState *bs, QEMUIOVector *qiov, int64_t pos);
 int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf,
                       int64_t pos, int size);
 
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 9aa98b5d12..458cde3766 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -164,8 +164,8 @@ struct BlockDriver {
                                   const char *snapshot_name);
     int (*bdrv_get_info)(BlockDriverState *bs, BlockDriverInfo *bdi);
 
-    int (*bdrv_save_vmstate)(BlockDriverState *bs, const uint8_t *buf,
-                             int64_t pos, int size);
+    int (*bdrv_save_vmstate)(BlockDriverState *bs, QEMUIOVector *qiov,
+                             int64_t pos);
     int (*bdrv_load_vmstate)(BlockDriverState *bs, uint8_t *buf,
                              int64_t pos, int size);