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Date:      Sun, 18 Feb 2018 22:15:24 +0200
From:      Andriy Gapon <avg@FreeBSD.org>
To:        Gleb Smirnoff <glebius@FreeBSD.org>
Cc:        Andrew Reilly <areilly@bigpond.net.au>, kib@FreeBSD.org, current@FreeBSD.org
Subject:   Re: Since last week (today) current on my Ryzen box is unstable
Message-ID:  <359681a7-3885-820e-1ac8-19254c83d1ad@FreeBSD.org>
In-Reply-To: <20180218132623.GF93303@FreeBSD.org>
References:  <0CEA9D55-D488-42EC-BBDE-D0B7CE58BAEA@bigpond.net.au> <cc3ae685-5f0e-d968-7b08-60a4836093e1@FreeBSD.org> <20180218023545.GE93303@FreeBSD.org> <431f3e00-c66a-8e2e-6c61-a315a6353d1d@FreeBSD.org> <20180218132623.GF93303@FreeBSD.org>

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On 18/02/2018 15:26, Gleb Smirnoff wrote:
> My only point is that it is a performance improvement. IMHO that's enough :)

I don't think that passing an invalid argument to a documented KPI is "enough"
for any optimization.

> If you can't suggest a more elegant way of doing that improvement, then all
> I can suggest is to document it and add its support to ZFS.

In return I can only suggest that (1) you run your suggestion by arch@ -- unless
that's already been done and you can point me to the discussion,  (2) document
it and (3) double-check that all implementations confirm to it.


-- 
Andriy Gapon



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