1 files changed, 27 insertions, 7 deletions

diff --git a/block.c b/block.c
index 91a66d4f3e..5c428e1595 100644
--- a/block.c
+++ b/block.c
@@ -6439,7 +6439,10 @@ void bdrv_set_aio_context_ignore(BlockDriverState *bs,
                                  AioContext *new_context, GSList **ignore)
 {
     AioContext *old_context = bdrv_get_aio_context(bs);
-    BdrvChild *child;
+    GSList *children_to_process = NULL;
+    GSList *parents_to_process = NULL;
+    GSList *entry;
+    BdrvChild *child, *parent;
 
     g_assert(qemu_get_current_aio_context() == qemu_get_aio_context());
 
@@ -6454,16 +6457,33 @@ void bdrv_set_aio_context_ignore(BlockDriverState *bs,
             continue;
         }
         *ignore = g_slist_prepend(*ignore, child);
-        bdrv_set_aio_context_ignore(child->bs, new_context, ignore);
+        children_to_process = g_slist_prepend(children_to_process, child);
     }
-    QLIST_FOREACH(child, &bs->parents, next_parent) {
-        if (g_slist_find(*ignore, child)) {
+
+    QLIST_FOREACH(parent, &bs->parents, next_parent) {
+        if (g_slist_find(*ignore, parent)) {
             continue;
         }
-        assert(child->klass->set_aio_ctx);
-        *ignore = g_slist_prepend(*ignore, child);
-        child->klass->set_aio_ctx(child, new_context, ignore);
+        *ignore = g_slist_prepend(*ignore, parent);
+        parents_to_process = g_slist_prepend(parents_to_process, parent);
+    }
+
+    for (entry = children_to_process;
+         entry != NULL;
+         entry = g_slist_next(entry)) {
+        child = entry->data;
+        bdrv_set_aio_context_ignore(child->bs, new_context, ignore);
+    }
+    g_slist_free(children_to_process);
+
+    for (entry = parents_to_process;
+         entry != NULL;
+         entry = g_slist_next(entry)) {
+        parent = entry->data;
+        assert(parent->klass->set_aio_ctx);
+        parent->klass->set_aio_ctx(parent, new_context, ignore);
     }
+    g_slist_free(parents_to_process);
 
     bdrv_detach_aio_context(bs);