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-rw-r--r--block.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/block.c b/block.c
index 444a52e331..170002e78e 100644
--- a/block.c
+++ b/block.c
@@ -762,6 +762,13 @@ static void bdrv_child_cb_drained_end(BdrvChild *child)
     bdrv_drained_end(bs);
 }
 
+static int bdrv_child_cb_inactivate(BdrvChild *child)
+{
+    BlockDriverState *bs = child->opaque;
+    assert(bs->open_flags & BDRV_O_INACTIVE);
+    return 0;
+}
+
 /*
  * Returns the options and flags that a temporary snapshot should get, based on
  * the originally requested flags (the originally requested image will have
@@ -822,6 +829,7 @@ const BdrvChildRole child_file = {
     .inherit_options = bdrv_inherited_options,
     .drained_begin   = bdrv_child_cb_drained_begin,
     .drained_end     = bdrv_child_cb_drained_end,
+    .inactivate      = bdrv_child_cb_inactivate,
 };
 
 /*
@@ -843,6 +851,7 @@ const BdrvChildRole child_format = {
     .inherit_options = bdrv_inherited_fmt_options,
     .drained_begin   = bdrv_child_cb_drained_begin,
     .drained_end     = bdrv_child_cb_drained_end,
+    .inactivate      = bdrv_child_cb_inactivate,
 };
 
 static void bdrv_backing_attach(BdrvChild *c)
@@ -928,6 +937,7 @@ const BdrvChildRole child_backing = {
     .inherit_options = bdrv_backing_options,
     .drained_begin   = bdrv_child_cb_drained_begin,
     .drained_end     = bdrv_child_cb_drained_end,
+    .inactivate      = bdrv_child_cb_inactivate,
 };
 
 static int bdrv_open_flags(BlockDriverState *bs, int flags)
@@ -4029,13 +4039,6 @@ static int bdrv_inactivate_recurse(BlockDriverState *bs,
         }
     }
 
-    QLIST_FOREACH(child, &bs->children, next) {
-        ret = bdrv_inactivate_recurse(child->bs, setting_flag);
-        if (ret < 0) {
-            return ret;
-        }
-    }
-
     if (setting_flag) {
         bs->open_flags |= BDRV_O_INACTIVE;
 
@@ -4049,6 +4052,14 @@ static int bdrv_inactivate_recurse(BlockDriverState *bs,
             }
         }
     }
+
+    QLIST_FOREACH(child, &bs->children, next) {
+        ret = bdrv_inactivate_recurse(child->bs, setting_flag);
+        if (ret < 0) {
+            return ret;
+        }
+    }
+
     return 0;
 }