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Date: Mon, 27 Apr 2015 11:08:33 +0300
From: Andriy Gapon <avg@FreeBSD.org>
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To: freebsd-emulation@FreeBSD.org, vbox@FreeBSD.org
Subject: virtualbox, raw disk (or alike), DIOCGFLUSH
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Does Virtualbox issue DIOCGFLUSH if a raw disk (or a like device, e.g. ZVOL) is
attached to a VM and a guest OS issues a flush-cache command to the disk?

-- 
Andriy Gapon