ide: cleanup rq->data_len usages

With recent unification of fields, it's now guaranteed that
rq->data_len always equals blk_rq_bytes().  Convert all direct users
to accessors.

[ Impact: convert direct rq->data_len usages to blk_rq_bytes() ]

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Borislav Petkov <petkovbb@googlemail.com>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index e4a02a05fc81..792534db8f85 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -255,7 +255,7 @@ void ide_retry_pc(ide_drive_t *drive)
         ide_init_pc(pc);
         memcpy(pc->c, sense_rq->cmd, 12);
         pc->buf = bio_data(sense_rq->bio);      /* pointer to mapped address */
-        pc->req_xfer = sense_rq->data_len;
+        pc->req_xfer = blk_rq_bytes(sense_rq);
 
         if (drive->media == ide_tape)
                 set_bit(IDE_AFLAG_IGNORE_DSC, &drive->atapi_flags);
@@ -303,7 +303,7 @@ int ide_cd_get_xferlen(struct request *rq)
                 return 32768;
         else if (blk_sense_request(rq) || blk_pc_request(rq) ||
                          rq->cmd_type == REQ_TYPE_ATA_PC)
-                return rq->data_len;
+                return blk_rq_bytes(rq);
         else
                 return 0;
 }