Re: [PATCH v6 4/6] scsi: sd: Allow max_sectors be capped at DMA optimal size limit

John Garry
2022-07-19T07:05:36Z

On 18/07/2022 11:47, Damien Le Moal wrote:
>> diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
>> index a1a2ac09066f..3eaee1f7aaca 100644
>> --- a/drivers/scsi/sd.c
>> +++ b/drivers/scsi/sd.c
>> @@ -3296,6 +3296,8 @@ static int sd_revalidate_disk(struct gendisk *disk)
>> (sector_t)BLK_DEF_MAX_SECTORS);
>> }

Hi Damien,

>>
>> + rw_max = min_not_zero(rw_max, sdp->host->opt_sectors);
>> +
> Adding a comment explaining what the cap is would be nice.
>

Christoph has now applied this (thanks, BTW), so would you like me to
follow up with a patch on top with a comment?

Thanks,
John