Re: [PATCH 1/3] mm: tracking shared dirty pages

[Hugh Dickins <hugh@veritas.com>]

On Tue, 30 May 2006, Christoph Lameter wrote:
> On Tue, 30 May 2006, David Howells wrote:
> 
> > What's wrong with my suggestion anyway?
> 
> Adds yet another method with functionality that for the most part 
> is the same as set_page_dirty().

Your original question, whether they could be combined, was a good one;
and I hoped you'd be right.  But I agree with David, they cannot, unless
we sacrifice the guarantee that one or the other is there to give.  It's
much like the relationship between ->prepare_write and ->commit_write.

Hugh
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