remove dead code from sv_t implementation

	wait_queue_head_t waiters;

} sv_t;

#define SV_FIFO		0x0		/* sv_t is FIFO type */

#define SV_LIFO		0x2		/* sv_t is LIFO type */

#define SV_PRIO		0x4		/* sv_t is PRIO type */

#define SV_KEYED	0x6		/* sv_t is KEYED type */

#define SV_DEFAULT      SV_FIFO

static inline void _sv_wait(sv_t *sv, spinlock_t *lock, int state,

			     unsigned long timeout)

static inline void _sv_wait(sv_t *sv, spinlock_t *lock)

{

	DECLARE_WAITQUEUE(wait, current);

	add_wait_queue_exclusive(&sv->waiters, &wait);

	__set_current_state(state);

	__set_current_state(TASK_UNINTERRUPTIBLE);

	spin_unlock(lock);

	schedule_timeout(timeout);

	schedule();

	remove_wait_queue(&sv->waiters, &wait);

}

#define sv_destroy(sv) \

	/*NOTHING*/

#define sv_wait(sv, pri, lock, s) \

	_sv_wait(sv, lock, TASK_UNINTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT)

#define sv_wait_sig(sv, pri, lock, s)   \

	_sv_wait(sv, lock, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT)

#define sv_timedwait(sv, pri, lock, s, svf, ts, rts) \

	_sv_wait(sv, lock, TASK_UNINTERRUPTIBLE, timespec_to_jiffies(ts))

#define sv_timedwait_sig(sv, pri, lock, s, svf, ts, rts) \

	_sv_wait(sv, lock, TASK_INTERRUPTIBLE, timespec_to_jiffies(ts))

	_sv_wait(sv, lock)

#define sv_signal(sv) \

	wake_up(&(sv)->waiters)

#define sv_broadcast(sv) \