1 files changed, 9 insertions, 12 deletions

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 7bd6a9893c24..39af8af6fc30 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -669,12 +669,12 @@ static void blk_add_trace_rq(struct request_queue *q, struct request *rq,
 
         if (blk_pc_request(rq)) {
                 what |= BLK_TC_ACT(BLK_TC_PC);
-                __blk_add_trace(bt, 0, rq->data_len, rw, what, rq->errors,
-                                rq->cmd_len, rq->cmd);
+                __blk_add_trace(bt, 0, blk_rq_bytes(rq), rw,
+                                what, rq->errors, rq->cmd_len, rq->cmd);
         } else  {
                 what |= BLK_TC_ACT(BLK_TC_FS);
-                __blk_add_trace(bt, rq->hard_sector, rq->hard_nr_sectors << 9,
-                                rw, what, rq->errors, 0, NULL);
+                __blk_add_trace(bt, blk_rq_pos(rq), blk_rq_bytes(rq), rw,
+                                what, rq->errors, 0, NULL);
         }
 }
 
@@ -881,11 +881,11 @@ void blk_add_driver_data(struct request_queue *q,
                 return;
 
         if (blk_pc_request(rq))
-                __blk_add_trace(bt, 0, rq->data_len, 0, BLK_TA_DRV_DATA,
-                                rq->errors, len, data);
+                __blk_add_trace(bt, 0, blk_rq_bytes(rq), 0,
+                                BLK_TA_DRV_DATA, rq->errors, len, data);
         else
-                __blk_add_trace(bt, rq->hard_sector, rq->hard_nr_sectors << 9,
-                                0, BLK_TA_DRV_DATA, rq->errors, len, data);
+                __blk_add_trace(bt, blk_rq_pos(rq), blk_rq_bytes(rq), 0,
+                                BLK_TA_DRV_DATA, rq->errors, len, data);
 }
 EXPORT_SYMBOL_GPL(blk_add_driver_data);
 
@@ -1724,10 +1724,7 @@ void blk_fill_rwbs_rq(char *rwbs, struct request *rq)
         if (blk_discard_rq(rq))
                 rw |= (1 << BIO_RW_DISCARD);
 
-        if (blk_pc_request(rq))
-                bytes = rq->data_len;
-        else
-                bytes = rq->hard_nr_sectors << 9;
+        bytes = blk_rq_bytes(rq);
 
         blk_fill_rwbs(rwbs, rw, bytes);
 }