linux-kernel - Re: [dm-devel] [PATCH v4 0/2] Historical Service Time Path Selector

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Date:   Wed, 20 May 2020 20:15:09 -0400
From:   Gabriel Krisman Bertazi <krisman@...labora.com>
To:     Xose Vazquez Perez <xose.vazquez@...il.com>
Cc:     agk@...hat.com, snitzer@...hat.com, breeves@...hat.com,
        linux-kernel@...r.kernel.org, khazhy@...gle.com, song@...nel.org,
        dm-devel@...hat.com, mpatocka@...hat.com, kernel@...labora.com
Subject: Re: [dm-devel] [PATCH v4 0/2] Historical Service Time Path Selector

Xose Vazquez Perez <xose.vazquez@...il.com> 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 another
>> 64bit field.  For the request-based case, we continue to use the block
>> layer start time information.
>
> You should add some info to the multipath.conf.5 man page (
> https://git.opensvc.com/gitweb.cgi?p=multipath-tools/.git;a=blob;f=multipath/multipath.conf.5;h=05a5e8ffeb110d969f3b2381eb3b88d7f28380f6;hb=HEAD#l189
> ),
> or none one is going to use it.

Sure, will do.

-- 
Gabriel Krisman Bertazi