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-rw-r--r--include/block/block_int.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h
index cfcae52d7d..52ea7c076b 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -339,6 +339,7 @@ struct BdrvChild {
     BlockDriverState *bs;
     const BdrvChildRole *role;
     QLIST_ENTRY(BdrvChild) next;
+    QLIST_ENTRY(BdrvChild) next_parent;
 };
 
 /*
@@ -445,6 +446,7 @@ struct BlockDriverState {
      * parent node of this node. */
     BlockDriverState *inherits_from;
     QLIST_HEAD(, BdrvChild) children;
+    QLIST_HEAD(, BdrvChild) parents;
 
     QDict *options;
     BlockdevDetectZeroesOptions detect_zeroes;