block: blk_flush_integrity() for bio-based drivers

[mirror_ubuntu-artful-kernel.git] / block / blk.h

diff --git a/block/blk.h b/block/blk.h
index 5b2cd393afbec86ee5163dc47c672b58b9ec2be6..157c93d54dc91e9763cea34cc5bd394803f59d66 100644 (file)
--- a/block/blk.h
+++ b/block/blk.h
@@ -87,6 +87,14 @@ static inline void blk_queue_enter_live(struct request_queue *q)
        percpu_ref_get(&q->q_usage_counter);
 }
 
+#ifdef CONFIG_BLK_DEV_INTEGRITY
+void blk_flush_integrity(void);
+#else
+static inline void blk_flush_integrity(void)
+{
+}
+#endif
+
 void blk_rq_timed_out_timer(unsigned long data);
 unsigned long blk_rq_timeout(unsigned long timeout);
 void blk_add_timer(struct request *req);