+static inline int queue_flag_test_and_clear(unsigned int flag,
+ struct request_queue *q)
+{
+ WARN_ON_ONCE(!queue_is_locked(q));
+
+ if (test_bit(flag, &q->queue_flags)) {
+ __clear_bit(flag, &q->queue_flags);
+ return 1;
+ }
+
+ return 0;
+}
+
+static inline int queue_flag_test_and_set(unsigned int flag,
+ struct request_queue *q)
+{
+ WARN_ON_ONCE(!queue_is_locked(q));
+
+ if (!test_bit(flag, &q->queue_flags)) {
+ __set_bit(flag, &q->queue_flags);
+ return 0;
+ }
+
+ return 1;
+}
+