Xose Vazquez Perez writes:
> On 5/11/20 6:39 PM, Gabriel Krisman Bertazi wrote:
>
>> This fourth version of HST applies the suggestion from Mikulas Patocka
>> to do the ktime_get_ns inside the mpath map_bio instead of generic
>> device-mapper code. This means that struct dm_mpath_io gained anothe
On 5/11/20 6:39 PM, Gabriel Krisman Bertazi wrote:
This fourth version of HST applies the suggestion from Mikulas Patocka
to do the ktime_get_ns inside the mpath map_bio instead of generic
device-mapper code. This means that struct dm_mpath_io gained another
64bit field. For the request-based c
Mike Snitzer writes:
> OK, that concall's issue had nothing to do with needing higher
> resolution time (was about IOPs realized with requested-based vs
> bio-based).
>
> Reality is, DM won't need anything higher resolution than jiffies until
> block core's interfaces require something other than
On Mon, May 11 2020 at 1:31pm -0400,
Mike Snitzer wrote:
> On Mon, May 11 2020 at 1:11pm -0400,
> Gabriel Krisman Bertazi wrote:
>
> > Mike Snitzer writes:
> >
> > > On Mon, May 11 2020 at 12:39pm -0400,
> > > Gabriel Krisman Bertazi wrote:
> > >
> > >> Hi,
> > >>
> > >> This fourth versi
On Mon, May 11 2020 at 1:11pm -0400,
Gabriel Krisman Bertazi wrote:
> Mike Snitzer writes:
>
> > On Mon, May 11 2020 at 12:39pm -0400,
> > Gabriel Krisman Bertazi wrote:
> >
> >> Hi,
> >>
> >> This fourth version of HST applies the suggestion from Mikulas Patocka
> >> to do the ktime_get_ns
Mike Snitzer writes:
> On Mon, May 11 2020 at 12:39pm -0400,
> Gabriel Krisman Bertazi wrote:
>
>> Hi,
>>
>> This fourth version of HST applies the suggestion from Mikulas Patocka
>> to do the ktime_get_ns inside the mpath map_bio instead of generic
>> device-mapper code. This means that struct
On Mon, May 11 2020 at 12:39pm -0400,
Gabriel Krisman Bertazi wrote:
> Hi,
>
> This fourth version of HST applies the suggestion from Mikulas Patocka
> to do the ktime_get_ns inside the mpath map_bio instead of generic
> device-mapper code. This means that struct dm_mpath_io gained another
> 64b