1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/completion.h b/include/linux/completion.h
index d2961b66d53d..02ef8835999c 100644
--- a/include/linux/completion.h
+++ b/include/linux/completion.h
@@ -49,10 +49,13 @@ 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 *);
 
 #define INIT_COMPLETION(x)      ((x).done = 0)
 
+
 #endif