@@ -282,11 +282,12 @@ static void coroutine_fn qed_unplug_allocating_write_reqs(BDRVQEDState *s)
qemu_co_mutex_unlock(&s->table_lock);
}
-static void coroutine_fn qed_need_check_timer(BDRVQEDState *s)
+static void coroutine_fn GRAPH_RDLOCK qed_need_check_timer(BDRVQEDState *s)
{
int ret;
trace_qed_need_check_timer_cb(s);
+ assert_bdrv_graph_readable();
if (!qed_plug_allocating_write_reqs(s)) {
return;
@@ -312,6 +313,7 @@ static void coroutine_fn qed_need_check_timer(BDRVQEDState *s)
static void coroutine_fn qed_need_check_timer_entry(void *opaque)
{
BDRVQEDState *s = opaque;
+ GRAPH_RDLOCK_GUARD();
qed_need_check_timer(opaque);
bdrv_dec_in_flight(s->bs);