From 22aa8b246ada8d45add8eef64d4640a20b4f7ef3 Mon Sep 17 00:00:00 2001
From: Kevin Wolf <kwolf@redhat.com>
Date: Wed, 24 Feb 2016 15:13:35 +0100
Subject: block: Introduce BdrvChild.opaque

BlockBackends use it to get a back pointer from BdrvChild to
BlockBackend in any BdrvChildRole callbacks.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 include/block/block_int.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/block')

diff --git a/include/block/block_int.h b/include/block/block_int.h
index 1218857f82..47dfafa462 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -373,6 +373,7 @@ struct BdrvChild {
     BlockDriverState *bs;
     char *name;
     const BdrvChildRole *role;
+    void *opaque;
     QLIST_ENTRY(BdrvChild) next;
     QLIST_ENTRY(BdrvChild) next_parent;
 };
-- 
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