1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index f459dff30512..60bff78e9ead 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -2867,10 +2867,10 @@ static int sd_revalidate_disk(struct gendisk *disk)
         if (sdkp->opt_xfer_blocks &&
             sdkp->opt_xfer_blocks <= dev_max &&
             sdkp->opt_xfer_blocks <= SD_DEF_XFER_BLOCKS &&
-            sdkp->opt_xfer_blocks * sdp->sector_size >= PAGE_SIZE)
-                rw_max = q->limits.io_opt =
-                        sdkp->opt_xfer_blocks * sdp->sector_size;
-        else
+            logical_to_bytes(sdp, sdkp->opt_xfer_blocks) >= PAGE_SIZE) {
+                q->limits.io_opt = logical_to_bytes(sdp, sdkp->opt_xfer_blocks);
+                rw_max = logical_to_sectors(sdp, sdkp->opt_xfer_blocks);
+        } else
                 rw_max = BLK_DEF_MAX_SECTORS;
 
         /* Combine with controller limits */