From 533c6e4ee8885cb9e7c6ac36e8e9fa92bea64f97 Mon Sep 17 00:00:00 2001
From: Kevin Wolf <kwolf@redhat.com>
Date: Thu, 4 May 2023 13:57:49 +0200
Subject: block: Mark bdrv_recurse_can_replace() and callers GRAPH_RDLOCK

This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_recurse_can_replace() need to hold a reader lock for the graph
because it accesses the children list of a node.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20230504115750.54437-20-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 blockdev.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'blockdev.c')

diff --git a/blockdev.c b/blockdev.c
index e464dae..d141ca7 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -2961,6 +2961,9 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
     BlockDriverState *unfiltered_bs;
     int job_flags = JOB_DEFAULT;
 
+    GLOBAL_STATE_CODE();
+    GRAPH_RDLOCK_GUARD_MAINLOOP();
+
     if (!has_speed) {
         speed = 0;
     }
-- 
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