void cfs_init_timer(struct timer_list *t);
void cfs_timer_init(struct timer_list *t, cfs_timer_func_t *func, void *arg);
-void cfs_timer_done(struct timer_list *t);
void cfs_timer_arm(struct timer_list *t, cfs_time_t deadline);
void cfs_timer_disarm(struct timer_list *t);
int cfs_timer_is_armed(struct timer_list *t);