Re: [patch][rfc] mm: hold page lock over page_mkwrite

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On Wed, Feb 25, 2009 at 10:36:29AM +0100, Nick Piggin wrote:
> I need this in fsblock because I am working to ensure filesystem metadata
> can be correctly allocated and refcounted. This means that page cleaning
> should not require memory allocation (to be really robust).

Which, unfortunately, is just a dream for any filesystem that uses
delayed allocation. i.e. they have to walk the free space trees
which may need to be read from disk and therefore require memory
to succeed....

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx
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