block: Mark bdrv_refresh_limits() and callers GRAPH_RDLOCK

This adds GRAPH_RDLOCK annotations to declare that callers of
bdrv_refresh_limits() 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: <20230504115750.54437-21-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/block/io.c b/block/io.c
index 3bf9ef9..58557f2 100644
--- a/block/io.c
+++ b/block/io.c
@@ -160,7 +160,6 @@ void bdrv_refresh_limits(BlockDriverState *bs, Transaction *tran, Error **errp)
     bool have_limits;
 
     GLOBAL_STATE_CODE();
-    assume_graph_lock(); /* FIXME */
 
     if (tran) {
         BdrvRefreshLimitsState *s = g_new(BdrvRefreshLimitsState, 1);