1 files changed, 5 insertions, 2 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index aafe82788b4..cfde8b3ee91 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -417,9 +417,9 @@ struct request_queue
         unsigned int            sg_timeout;
         unsigned int            sg_reserved_size;
         int                     node;
-
+#ifdef CONFIG_BLK_DEV_IO_TRACE
         struct blk_trace        *blk_trace;
-
+#endif
         /*
          * reserved for flush operations
          */
@@ -746,6 +746,9 @@ extern void blk_queue_free_tags(request_queue_t *);
 extern int blk_queue_resize_tags(request_queue_t *, int);
 extern void blk_queue_invalidate_tags(request_queue_t *);
 extern long blk_congestion_wait(int rw, long timeout);
+extern struct blk_queue_tag *blk_init_tags(int);
+extern void blk_free_tags(struct blk_queue_tag *);
+extern void blk_congestion_end(int rw);
 
 extern void blk_rq_bio_prep(request_queue_t *, struct request *, struct bio *);
 extern int blkdev_issue_flush(struct block_device *, sector_t *);