Re: Amcheck: do rightlink verification with lock coupling

From: Peter Geoghegan <pg(at)bowt(dot)ie>
To: Andrey Borodin <x4mmm(at)yandex-team(dot)ru>
Cc: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Amcheck: do rightlink verification with lock coupling
Date: 2020-01-22 19:59:16
Message-ID: CAH2-WzmDa=B=ZVCdFuMcPXxncmPY1tQH1N1k0cLv4wmTZ7xxjQ@mail.gmail.com
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On Fri, Jan 17, 2020 at 5:43 PM Peter Geoghegan <pg(at)bowt(dot)ie> wrote:
> I tried to come up with a specific example of how this could be
> unsafe, but my explanation was all over the place (this could have had
> something to do with it being Friday evening). Even still, it's up to
> the patch to justify why it's safe, and that seems even more
> difficult.

I can't see a way around this problem, so I'm marking the patch rejected.

Thanks
--
Peter Geoghegan

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