Merge branch 'topic/ca0106' into for-linus

[linux-block.git] / include / linux / wait.h

diff --git a/include/linux/wait.h b/include/linux/wait.h
index ef609f842faca33c6e9dded2db7bbd09d7adc8d1..a210ede73b568d25bc672b44c8bd17986d326b7e 100644 (file)
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -132,6 +132,8 @@ static inline void __remove_wait_queue(wait_queue_head_t *head,
        list_del(&old->task_list);
 }
 
+void __wake_up_common(wait_queue_head_t *q, unsigned int mode,
+                       int nr_exclusive, int sync, void *key);
 void __wake_up(wait_queue_head_t *q, unsigned int mode, int nr, void *key);
 extern void __wake_up_locked(wait_queue_head_t *q, unsigned int mode);
 extern void __wake_up_sync(wait_queue_head_t *q, unsigned int mode, int nr);
@@ -333,16 +335,19 @@ do {                                                                      \
        for (;;) {                                                      \
                prepare_to_wait_exclusive(&wq, &__wait,                 \
                                        TASK_INTERRUPTIBLE);            \
-               if (condition)                                          \
+               if (condition) {                                        \
+                       finish_wait(&wq, &__wait);                      \
                        break;                                          \
+               }                                                       \
                if (!signal_pending(current)) {                         \
                        schedule();                                     \
                        continue;                                       \
                }                                                       \
                ret = -ERESTARTSYS;                                     \
+               abort_exclusive_wait(&wq, &__wait,                      \
+                               TASK_INTERRUPTIBLE, NULL);              \
                break;                                                  \
        }                                                               \
-       finish_wait(&wq, &__wait);                                      \
 } while (0)
 
 #define wait_event_interruptible_exclusive(wq, condition)              \
@@ -431,6 +436,8 @@ extern long interruptible_sleep_on_timeout(wait_queue_head_t *q,
 void prepare_to_wait(wait_queue_head_t *q, wait_queue_t *wait, int state);
 void prepare_to_wait_exclusive(wait_queue_head_t *q, wait_queue_t *wait, int state);
 void finish_wait(wait_queue_head_t *q, wait_queue_t *wait);
+void abort_exclusive_wait(wait_queue_head_t *q, wait_queue_t *wait,
+                       unsigned int mode, void *key);
 int autoremove_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key);
 int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key);