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xen-devel
[Xen-devel] Re: Interaction between Xen and XFS: stray RW mappings
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To: |
David Chinner <dgc@xxxxxxx> |
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Subject: |
[Xen-devel] Re: Interaction between Xen and XFS: stray RW mappings |
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From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Date: |
Sun, 14 Oct 2007 21:18:17 -0700 |
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Cc: |
Nick Piggin <nickpiggin@xxxxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Morten Bøgeskov <xen-users@xxxxxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx, xfs-masters@xxxxxxxxxxx, Mark Williamson <mark.williamson@xxxxxxxxxxxx> |
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Sun, 14 Oct 2007 21:18:57 -0700 |
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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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