completions: uninline try_wait_for_completion and completion_done

m68k fails to build with these functions inlined in completion.h.  Move
them out of line into sched.c and export them to avoid this problem.

Signed-off-by: Dave Chinner <david@fromorbit.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/completion.h b/include/linux/completion.h
index 57faa60..02ef883 100644
--- a/include/linux/completion.h
+++ b/include/linux/completion.h
@@ -49,6 +49,8 @@
 						   unsigned long timeout);
 extern unsigned long wait_for_completion_interruptible_timeout(
 			struct completion *x, unsigned long timeout);
+extern bool try_wait_for_completion(struct completion *x);
+extern bool completion_done(struct completion *x);
 
 extern void complete(struct completion *);
 extern void complete_all(struct completion *);
@@ -56,48 +58,4 @@
 #define INIT_COMPLETION(x)	((x).done = 0)
 
 
-/**
- *	try_wait_for_completion - try to decrement a completion without blocking
- *	@x:	completion structure
- *
- *	Returns: 0 if a decrement cannot be done without blocking
- *		 1 if a decrement succeeded.
- *
- *	If a completion is being used as a counting completion,
- *	attempt to decrement the counter without blocking. This
- *	enables us to avoid waiting if the resource the completion
- *	is protecting is not available.
- */
-static inline bool try_wait_for_completion(struct completion *x)
-{
-	int ret = 1;
-
-	spin_lock_irq(&x->wait.lock);
-	if (!x->done)
-		ret = 0;
-	else
-		x->done--;
-	spin_unlock_irq(&x->wait.lock);
-	return ret;
-}
-
-/**
- *	completion_done - Test to see if a completion has any waiters
- *	@x:	completion structure
- *
- *	Returns: 0 if there are waiters (wait_for_completion() in progress)
- *		 1 if there are no waiters.
- *
- */
-static inline bool completion_done(struct completion *x)
-{
-	int ret = 1;
-
-	spin_lock_irq(&x->wait.lock);
-	if (!x->done)
-		ret = 0;
-	spin_unlock_irq(&x->wait.lock);
-	return ret;
-}
-
 #endif