--- ./include/linux-dist/completion.h	Sun Dec  8 10:57:47 2002
+++ ./include/linux/completion.h	Mon Dec  9 15:11:51 2002
@@ -28,6 +28,7 @@
 }
 
 extern void FASTCALL(wait_for_completion(struct completion *));
+extern int FASTCALL(wait_timeout(struct completion *, signed long jiffies));
 extern void FASTCALL(complete(struct completion *));
 extern void FASTCALL(complete_all(struct completion *));
 
--- ./kernel-dist/ksyms.c	Sun Dec  8 10:57:48 2002
+++ ./kernel/ksyms.c	Mon Dec  9 15:13:47 2002
@@ -404,7 +404,9 @@ EXPORT_SYMBOL(autoremove_wake_function);
 
 /* completion handling */
 EXPORT_SYMBOL(wait_for_completion);
+EXPORT_SYMBOL(wait_timeout);
 EXPORT_SYMBOL(complete);
+EXPORT_SYMBOL(complete_all);
 
 /* The notion of irq probe/assignment is foreign to S/390 */
 
--- ./kernel-dist/sched.c	Sun Dec  8 10:57:48 2002
+++ ./kernel/sched.c	Mon Dec  9 15:34:36 2002
@@ -1204,6 +1204,11 @@ void complete_all(struct completion *x)
 
 void wait_for_completion(struct completion *x)
 {
+	wait_timeout (x, MAX_SCHEDULE_TIMEOUT);
+}
+
+int wait_timeout(struct completion *x, signed long timeout_jiffies)
+{
 	might_sleep();
 	spin_lock_irq(&x->wait.lock);
 	if (!x->done) {
@@ -1214,13 +1219,19 @@ void wait_for_completion(struct completi
 		do {
 			__set_current_state(TASK_UNINTERRUPTIBLE);
 			spin_unlock_irq(&x->wait.lock);
-			schedule();
+			timeout_jiffies = schedule_timeout(timeout_jiffies);
+			if (timeout_jiffies == 0) {
+				__remove_wait_queue(&x->wait, &wait);
+				/* caller should wait again */
+				return 1;
+			}
 			spin_lock_irq(&x->wait.lock);
 		} while (!x->done);
 		__remove_wait_queue(&x->wait, &wait);
 	}
 	x->done--;
 	spin_unlock_irq(&x->wait.lock);
+	return 0;
 }
 
 #define	SLEEP_ON_VAR				\