Date: Thu, 25 Oct 2012 08:41:18 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Andriy Gapon <avg@FreeBSD.org> Cc: freebsd-geom@FreeBSD.org Subject: Re: geom access method and g_topology_lock Message-ID: <70960.1351154478@critter.freebsd.dk> In-Reply-To: <5088FA15.30205@FreeBSD.org> References: <5088E0E0.2080307@FreeBSD.org> <28185.1351150111@critter.freebsd.dk> <5088FA15.30205@FreeBSD.org>
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-------- In message <5088FA15.30205@FreeBSD.org>, Andriy Gapon writes: >Both pieces look sane and non-racy (because of g_topology_assert) until we allow >g_access (some geom access method, rather) to drop the topology lock. You lost me there. g_access() cannot do its job without holding the topology lock. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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