seq_hlist_next_percpu
return seq_hlist_next_percpu(v, &file_lock_list.hlist, &iter->li_cpu, pos);
EXPORT_SYMBOL(seq_hlist_next_percpu);
extern struct hlist_node *seq_hlist_next_percpu(void *v, struct hlist_head __percpu *head, int *cpu, loff_t *pos);