block: assert that graph read and writes are performed correctly

Remove the old assert_bdrv_graph_writable, and replace it with
the new version using graph-lock API.

See the function documentation for more information.

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20221207131838.239125-14-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/block.c b/block.c
index bdffadcdaa..ff53b41af3 100644
--- a/block.c
+++ b/block.c
@@ -1406,7 +1406,7 @@ static void bdrv_child_cb_attach(BdrvChild *child)
 {
     BlockDriverState *bs = child->opaque;
 
-    assert_bdrv_graph_writable(bs);
+    assert_bdrv_graph_writable();
     QLIST_INSERT_HEAD(&bs->children, child, next);
     if (bs->drv->is_filter || (child->role & BDRV_CHILD_FILTERED)) {
         /*
@@ -1452,7 +1452,7 @@ static void bdrv_child_cb_detach(BdrvChild *child)
         bdrv_backing_detach(child);
     }
 
-    assert_bdrv_graph_writable(bs);
+    assert_bdrv_graph_writable();
     QLIST_REMOVE(child, next);
     if (child == bs->backing) {
         assert(child != bs->file);