On Fri, May 22, 2020 at 09:36:18AM -0400, Martin K. Petersen wrote:
>
> >>> + if (t->io_opt & (t->physical_block_size - 1))
> >>> + t->io_opt = lcm(t->io_opt, t->physical_block_size);
> >
> >> Any comment on this patch ? Note: the patch the patch "nvme: Fix
> >> io_opt limit setting" is
>>> + if (t->io_opt & (t->physical_block_size - 1))
>>> + t->io_opt = lcm(t->io_opt, t->physical_block_size);
>
>> Any comment on this patch ? Note: the patch the patch "nvme: Fix
>> io_opt limit setting" is already queued for 5.8.
>
> Setting io_opt to the physical block size is
Damien,
>> +if (t->io_opt & (t->physical_block_size - 1))
>> +t->io_opt = lcm(t->io_opt, t->physical_block_size);
> Any comment on this patch ? Note: the patch the patch "nvme: Fix
> io_opt limit setting" is already queued for 5.8.
Setting io_opt to the physical block size is
On 2020/05/14 15:58, Damien Le Moal wrote:
> When devices with different physical sector sizes are stacked, the
> largest value is used as the stacked device physical sector size. For
> the optimal IO size, the lowest common multiple (lcm) of the underlying
> devices is used for the stacked
