[XFS] No need to set task state back to TASK_RUNNING after returning from schedule()

SGI Modid: 2.5.x-xfs:slinx:134176a

fs/xfs/support/mrlock.c

@@ -87,7 +87,7 @@ lock_wait(wait_queue_head_t *q, spinlock_t *lock, int rw)
 {
 	DECLARE_WAITQUEUE( wait, current );
 
-	set_current_state(TASK_UNINTERRUPTIBLE);
+	__set_current_state(TASK_UNINTERRUPTIBLE);
 
 	spin_lock(&q->lock);
 	if (rw) {
@@ -101,8 +101,6 @@ lock_wait(wait_queue_head_t *q, spinlock_t *lock, int rw)
 
 	schedule();
 
-	set_current_state(TASK_RUNNING);
-
 	spin_lock(&q->lock);
 	__remove_wait_queue(q, &wait);
 	spin_unlock(&q->lock);

fs/xfs/support/sv.h

@@ -60,12 +60,11 @@ static inline void _sv_wait(sv_t *sv, spinlock_t *lock, int state,
 	DECLARE_WAITQUEUE(wait, current);
 
 	add_wait_queue_exclusive(&sv->waiters, &wait);
-	set_current_state(state);
+	__set_current_state(state);
 	spin_unlock(lock);
 
 	schedule_timeout(timeout);
 
-	set_current_state(TASK_RUNNING);
 	remove_wait_queue(&sv->waiters, &wait);
 }