[PATCH] ifdef blktrace debugging fields

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c773ee545ebd..cfde8b3ee919 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
          */