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-rw-r--r--include/linux/blkdev.h23
1 files changed, 20 insertions, 3 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 6a967cad89fa..4e5f85598728 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -832,13 +832,30 @@ static inline void blk_run_address_space(struct address_space *mapping)
extern void blkdev_dequeue_request(struct request *req);
/*
- * blk_end_request() takes bytes instead of sectors as a complete size.
- * blk_rq_bytes() returns bytes left to complete in the entire request.
- * blk_rq_cur_bytes() returns bytes left to complete in the current segment.
+ * blk_rq_pos() : the current sector
+ * blk_rq_bytes() : bytes left in the entire request
+ * blk_rq_cur_bytes() : bytes left in the current segment
+ * blk_rq_sectors() : sectors left in the entire request
+ * blk_rq_cur_sectors() : sectors left in the current segment
*/
+static inline sector_t blk_rq_pos(const struct request *rq)
+{
+ return rq->hard_sector;
+}
+
extern unsigned int blk_rq_bytes(struct request *rq);
extern unsigned int blk_rq_cur_bytes(struct request *rq);
+static inline unsigned int blk_rq_sectors(const struct request *rq)
+{
+ return rq->hard_nr_sectors;
+}
+
+static inline unsigned int blk_rq_cur_sectors(const struct request *rq)
+{
+ return rq->hard_cur_sectors;
+}
+
/*
* Request completion related functions.
*