[Xen-devel] Re: Interaction between Xen and XFS: stray RW mappings

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

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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