blktrace: from-sector redundant in trace_block_remap

Remove redundant from-sector parameter: it's /always/ the bio's sector
passed in.

[ Impact: cleanup ]

Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <49FF517C.7000503@hp.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 4 insertions, 4 deletions

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index f8d46d6f5d34..e099f8cc1d1c 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -830,7 +830,6 @@ static void blk_add_trace_split(struct request_queue *q, struct bio *bio,
  * @q:          queue the io is for
  * @bio:        the source bio
  * @dev:        target device
- * @to:         target sector
  * @from:       source sector
  *
  * Description:
@@ -839,7 +838,7 @@ static void blk_add_trace_split(struct request_queue *q, struct bio *bio,
  *
  **/
 static void blk_add_trace_remap(struct request_queue *q, struct bio *bio,
-                                       dev_t dev, sector_t to, sector_t from)
+                                       dev_t dev, sector_t from)
 {
         struct blk_trace *bt = q->blk_trace;
         struct blk_io_trace_remap r;
@@ -851,8 +850,9 @@ static void blk_add_trace_remap(struct request_queue *q, struct bio *bio,
         r.device_to   = cpu_to_be32(bio->bi_bdev->bd_dev);
         r.sector_from = cpu_to_be64(from);
 
-        __blk_add_trace(bt, from, bio->bi_size, bio->bi_rw, BLK_TA_REMAP,
-                        !bio_flagged(bio, BIO_UPTODATE), sizeof(r), &r);
+        __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw,
+                        BLK_TA_REMAP, !bio_flagged(bio, BIO_UPTODATE),
+                        sizeof(r), &r);
 }
 
 /**