1 files changed, 5 insertions, 4 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ce2bf5efa9ba..c75580345700 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -166,8 +166,9 @@ struct request {
         enum rq_cmd_type_bits cmd_type;
         unsigned long atomic_flags;
 
-        sector_t sector;        /* sector cursor */
-        unsigned int data_len;  /* total data len, don't access directly */
+        /* the following two fields are internal, NEVER access directly */
+        sector_t __sector;              /* sector cursor */
+        unsigned int __data_len;        /* total data len */
 
         struct bio *bio;
         struct bio *biotail;
@@ -828,12 +829,12 @@ extern void blkdev_dequeue_request(struct request *req);
  */
 static inline sector_t blk_rq_pos(const struct request *rq)
 {
-        return rq->sector;
+        return rq->__sector;
 }
 
 static inline unsigned int blk_rq_bytes(const struct request *rq)
 {
-        return rq->data_len;
+        return rq->__data_len;
 }
 
 static inline int blk_rq_cur_bytes(const struct request *rq)