On Fri, Sep 27, 2002 at 07:44:08PM +0200, Ingo Molnar wrote:
> and i'm not quite sure how other users of get_user_pages()
> (direct-IO) handle these kinds of COW races.
O_DIRECT is allow to break if someone does something silly :) I think
XFS tried hard to make sure things are consistent, but e2fs (at least
at one point) allowed you to read data from a file O_DIRECT which was
very different to what someone else read via the page-cache.
--cw
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