staging/lustre/libcfs: remove waitq_wait

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

···
 void schedule_timeout_and_set_state(long, int64_t);
 
 int64_t waitq_timedwait(wait_queue_t *, long, int64_t);
-void waitq_wait(wait_queue_t *, long);
 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_exclusive(&sched->ibs_waitq, &wait);
 		spin_unlock_irqrestore(&sched->ibs_lock, flags);
 
-		waitq_wait(&wait, TASK_INTERRUPTIBLE);
+		schedule();
 		busy_loops = 0;
 
 		remove_wait_queue(&sched->ibs_waitq, &wait);

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

···
 	lnet_eq_wait_unlock();
 
 	if (tms < 0) {
-		waitq_wait(&wl, TASK_INTERRUPTIBLE);
+		schedule();
 
 	} else {
 		struct timeval tv;

drivers/staging/lustre/lustre/fid/fid_request.c

···
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		mutex_unlock(&seq->lcs_mutex);
 
-		waitq_wait(link, TASK_UNINTERRUPTIBLE);
+		schedule();
 
 		mutex_lock(&seq->lcs_mutex);
 		remove_wait_queue(&seq->lcs_waitq, link);
···
 		set_current_state(TASK_UNINTERRUPTIBLE);
 		mutex_unlock(&seq->lcs_mutex);
 
-		waitq_wait(&link, TASK_UNINTERRUPTIBLE);
+		schedule();
 
 		mutex_lock(&seq->lcs_mutex);
 		remove_wait_queue(&seq->lcs_waitq, &link);

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

···
 			break;						 \
 									       \
 		if (__timeout == 0) {					  \
-			waitq_wait(&__wait, __wstate);		     \
+			schedule();						\
 		} else {						       \
 			cfs_duration_t interval = info->lwi_interval?	  \
 					     min_t(cfs_duration_t,	     \

drivers/staging/lustre/lustre/lclient/lcommon_cl.c

···
 			set_current_state(TASK_UNINTERRUPTIBLE);
 			if (atomic_read(&header->loh_ref) == 1)
 				break;
-			waitq_wait(&waiter, TASK_UNINTERRUPTIBLE);
+			schedule();
 		}
 
 		set_current_state(TASK_RUNNING);

drivers/staging/lustre/lustre/libcfs/debug.c

···
 		printk(KERN_ERR "LustreError: cannot start log dump thread:"
 		       " %ld\n", PTR_ERR(dumper));
 	else
-		waitq_wait(&wait, TASK_INTERRUPTIBLE);
+		schedule();
 
 	/* be sure to teardown if cfs_create_thread() failed */
 	remove_wait_queue(&debug_ctlwq, &wait);

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

···
 }
 EXPORT_SYMBOL(add_wait_queue_exclusive_head);
 
-void
-waitq_wait(wait_queue_t *link, long state)
-{
-	schedule();
-}
-EXPORT_SYMBOL(waitq_wait);
-
 int64_t
 waitq_timedwait(wait_queue_t *link, long state, int64_t timeout)
 {

drivers/staging/lustre/lustre/lov/lov_object.c

···
 			spin_lock(&r0->lo_sub_lock);
 			if (r0->lo_sub[idx] == los) {
 				spin_unlock(&r0->lo_sub_lock);
-				waitq_wait(waiter, TASK_UNINTERRUPTIBLE);
+				schedule();
 			} else {
 				spin_unlock(&r0->lo_sub_lock);
 				set_current_state(TASK_RUNNING);

drivers/staging/lustre/lustre/obdclass/cl_lock.c

···
 		 * can be restarted if signals are pending here */
 		result = -ERESTARTSYS;
 		if (likely(!OBD_FAIL_CHECK(OBD_FAIL_LOCK_STATE_WAIT_INTR))) {
-			waitq_wait(&waiter, TASK_INTERRUPTIBLE);
+			schedule();
 			if (!cfs_signal_pending())
 				result = 0;
 		}

drivers/staging/lustre/lustre/obdclass/lu_object.c

···
 		 * lu_object_find_try() already added waiter into the
 		 * wait queue.
 		 */
-		waitq_wait(&wait, TASK_UNINTERRUPTIBLE);
+		schedule();
 		bkt = lu_site_bkt_from_fid(dev->ld_site, (void *)f);
 		remove_wait_queue(&bkt->lsb_marche_funebre, &wait);
 	}

drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c

···
 			add_wait_queue(&page_pools.epp_waitq, &waitlink);
 
 			spin_unlock(&page_pools.epp_lock);
-			waitq_wait(&waitlink, TASK_UNINTERRUPTIBLE);
+			schedule();
 			remove_wait_queue(&page_pools.epp_waitq, &waitlink);
 			LASSERT(page_pools.epp_waitqlen > 0);
 			spin_lock(&page_pools.epp_lock);