On Wed, 03/29 22:37, Martin K. Petersen wrote: > Fam Zheng <famz@xxxxxxxxxx> writes: > > Fam, > > > diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c > > index fcfeddc..a5c7e67 100644 > > --- a/drivers/scsi/sd.c > > +++ b/drivers/scsi/sd.c > > @@ -2957,6 +2957,7 @@ static int sd_revalidate_disk(struct gendisk *disk) > > rw_max = logical_to_sectors(sdp, sdkp->opt_xfer_blocks); > > } else > > rw_max = BLK_DEF_MAX_SECTORS; > > + rw_max = min_not_zero(rw_max, logical_to_sectors(sdp, dev_max)); > > > > /* Combine with controller limits */ > > q->limits.max_sectors = min(rw_max, queue_max_hw_sectors(q)); > > Instead of updating rw_max twice, how about: > > } else > rw_max = min_not_zero(logical_to_sectors(sdp, dev_max), > BLK_DEF_MAX_SECTORS); Yes, it is better. Is it okay to make the change when you apply? Fam