Re: [stable] [2.6.27.stable][patch 0/6] page_mkwrite fixes

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On Tue, May 12, 2009 at 04:23:46PM +1000, npiggin@xxxxxxx wrote:
> Hi stable team,
> 
> This is the sequence of applicable fixes for 2.6.27.stable to solve
> the page_mkwrite issues. The series solves 2 problems in the core APIs:
> - the problem of incorrect return values (eg. causing SIGBUS when there is an
>   OOM or page invalidation).
> - the problem of insufficient synchronisation between mm and filesystem,
>   which results in at least NFS being quite easily broken with mmap()ed
>   writes.
> 
> And it also updates several filesystems to fix the issues on their side.
> 
> I think it has been agreed to get these fixes into .stable kernels (they
> are all upstream).
> 
> One issue is that there are several filesystems (basically, any which
> supply ->page_mkwrite) which could be broken but maybe have not had
> anybody look at them yet (OCFS2, UBIFS maybe). Anyway, if fs maintainers
> eventually do add any fixes here, it would be appreciated if you keep
> .stable in mind as well.

Thanks for the patch series, I've applied them all to the next
.27-stable queue.

greg k-h
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