void jbd2_buffer_frozen_trigger(struct journal_head *jh, void *mapped_data,
				struct jbd2_buffer_trigger_type *triggers)
{
	struct buffer_head *bh = jh2bh(jh);

	if (!triggers || !triggers->t_frozen)
		return;

	triggers->t_frozen(triggers, bh, mapped_data, bh->b_size);
}
Unknown