On Thu, 05/26 17:08, Long Li wrote:
> The block sector size should be in unit of 512 bytes, not in bytes.
>
> Signed-off-by: Long Li <longli@xxxxxxxxxxxxx>
>
> ---
> drivers/scsi/sd.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
> index 428c03e..4bce17e 100644
> --- a/drivers/scsi/sd.c
> +++ b/drivers/scsi/sd.c
> @@ -2862,9 +2862,11 @@ 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 >= PAGE_SIZE) {
> + q->limits.io_opt =
> sdkp->opt_xfer_blocks * sdp->sector_size;
> + rw_max = (q->limits.io_opt >> 9);
Other than the superfluous parenthesis, looks good to me.
Fam
> + }
> else
> rw_max = BLK_DEF_MAX_SECTORS;
>
> --
> 1.8.5.6
>
> --
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