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Message-ID: <4712EA09.6000102@goop.org>
Date: Sun, 14 Oct 2007 21:18:17 -0700
From: Jeremy Fitzhardinge <jeremy@...p.org>
To: David Chinner <dgc@....com>
CC: Nick Piggin <nickpiggin@...oo.com.au>, xfs@....sgi.com,
Xen-devel <xen-devel@...ts.xensource.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Mark Williamson <mark.williamson@...cam.ac.uk>,
Morten Bøgeskov <xen-users@...ten.bogeskov.dk>,
xfs-masters@....sgi.com
Subject: Re: Interaction between Xen and XFS: stray RW mappings
David Chinner wrote:
> With defaults - little effect as vmap should never be used. It's
> only when you start using larger block sizes for metadata that this
> becomes an issue. The CONFIG_XEN workaround should be fine until we
> get a proper vmap cache....
Hm, well I saw the problem with a filesystem made with mkfs.xfs with no
options, so there must be at least *some* vmapping going on there.
J
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