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 (file)
--- a/include/linux/completion.h
+++ b/include/linux/completion.h
@@ -49,6 +49,8 @@ extern unsigned long wait_for_completion_timeout(struct completion *x,
                                                   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 @@ extern void complete_all(struct completion *);
 #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

diff --git a/kernel/sched.c b/kernel/sched.c
index d601fb0..95e6ad3 100644 (file)
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4669,6 +4669,52 @@ int __sched wait_for_completion_killable(struct completion *x)
 }
 EXPORT_SYMBOL(wait_for_completion_killable);
 
+/**
+ *     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.
+ */
+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;
+}
+EXPORT_SYMBOL(try_wait_for_completion);
+
+/**
+ *     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.
+ *
+ */
+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;
+}
+EXPORT_SYMBOL(completion_done);
+
 static long __sched
 sleep_on_common(wait_queue_head_t *q, int state, long timeout)
 {