extern struct list_head *seq_list_next(void *v, struct list_head *head,
loff_t *ppos);
+extern struct list_head *seq_list_start_rcu(struct list_head *head, loff_t pos);
+extern struct list_head *seq_list_start_head_rcu(struct list_head *head, loff_t pos);
+extern struct list_head *seq_list_next_rcu(void *v, struct list_head *head, loff_t *ppos);
+
/*
* Helpers for iteration over hlist_head-s in seq_files
*/