staging/lustre/libcfs: remove waitq_timedwait

Cc: Andreas Dilger <[e-mail]>
Cc: Oleg Drokin <[e-mail]>
Signed-off-by: Peng Tao <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h

···
 typedef  void (cfs_timer_func_t)(ulong_ptr_t);
 void schedule_timeout_and_set_state(long, int64_t);
 
-int64_t waitq_timedwait(wait_queue_t *, long, int64_t);
 void add_wait_queue_exclusive_head(wait_queue_head_t *, wait_queue_t *);
 
 void cfs_init_timer(struct timer_list *t);

drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c

···
 		add_wait_queue(&kiblnd_data.kib_connd_waitq, &wait);
 		spin_unlock_irqrestore(&kiblnd_data.kib_connd_lock, flags);
 
-		waitq_timedwait(&wait, TASK_INTERRUPTIBLE, timeout);
+		schedule_timeout(timeout);
 
 		set_current_state(TASK_RUNNING);
 		remove_wait_queue(&kiblnd_data.kib_connd_waitq, &wait);

drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c

···
 		spin_unlock_bh(connd_lock);
 
 		nloops = 0;
-		waitq_timedwait(&wait, TASK_INTERRUPTIBLE, timeout);
+		schedule_timeout(timeout);
 
 		set_current_state(TASK_RUNNING);
 		remove_wait_queue(&ksocknal_data.ksnd_connd_waitq, &wait);
···
 		if (!ksocknal_data.ksnd_shuttingdown &&
 		    list_empty (&ksocknal_data.ksnd_deathrow_conns) &&
 		    list_empty (&ksocknal_data.ksnd_zombie_conns))
-			waitq_timedwait (&wait, TASK_INTERRUPTIBLE,
-					     timeout);
+			schedule_timeout(timeout);
 
 		set_current_state (TASK_RUNNING);
 		remove_wait_queue (&ksocknal_data.ksnd_reaper_waitq, &wait);

drivers/staging/lustre/lnet/lnet/lib-eq.c

···
 		struct timeval tv;
 
 		now = cfs_time_current();
-		waitq_timedwait(&wl, TASK_INTERRUPTIBLE,
-				    cfs_time_seconds(tms) / 1000);
+		schedule_timeout(cfs_time_seconds(tms) / 1000);
 		cfs_duration_usec(cfs_time_sub(cfs_time_current(), now), &tv);
 		tms -= (int)(tv.tv_sec * 1000 + tv.tv_usec / 1000);
 		if (tms < 0) /* no more wait but may have new event */

drivers/staging/lustre/lustre/include/lustre_lib.h

···
 					     min_t(cfs_duration_t,	     \
 						 info->lwi_interval,__timeout):\
 					     __timeout;			\
-			cfs_duration_t remaining = waitq_timedwait(&__wait,\
-						   __wstate,		   \
-						   interval);		  \
+			cfs_duration_t remaining = schedule_timeout(interval);\
 			__timeout = cfs_time_sub(__timeout,		    \
 					    cfs_time_sub(interval, remaining));\
 			if (__timeout == 0) {				  \

drivers/staging/lustre/lustre/libcfs/linux/linux-prim.c

···
 }
 EXPORT_SYMBOL(add_wait_queue_exclusive_head);
 
-int64_t
-waitq_timedwait(wait_queue_t *link, long state, int64_t timeout)
-{
-	return schedule_timeout(timeout);
-}
-EXPORT_SYMBOL(waitq_timedwait);
-
 void
 schedule_timeout_and_set_state(long state, int64_t timeout)
 {

drivers/staging/lustre/lustre/libcfs/tracefile.c

···
 		init_waitqueue_entry(&__wait, current);
 		add_wait_queue(&tctl->tctl_waitq, &__wait);
 		set_current_state(TASK_INTERRUPTIBLE);
-		waitq_timedwait(&__wait, TASK_INTERRUPTIBLE,
-				    cfs_time_seconds(1));
+		schedule_timeout(cfs_time_seconds(1));
 		remove_wait_queue(&tctl->tctl_waitq, &__wait);
 	}
 	complete(&tctl->tctl_stop);

drivers/staging/lustre/lustre/libcfs/upcall_cache.c

···
 		set_current_state(TASK_INTERRUPTIBLE);
 		spin_unlock(&cache->uc_lock);
 
-		left = waitq_timedwait(&wait, TASK_INTERRUPTIBLE,
-					   expiry);
+		left = schedule_timeout(expiry);
 
 		spin_lock(&cache->uc_lock);
 		remove_wait_queue(&entry->ue_waitq, &wait);