Re: [PATCH v6 01/27] mm: Introduce struct folio

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On Tue, Apr 06, 2021 at 03:47:12PM +0100, Christoph Hellwig wrote:
> On Tue, Apr 06, 2021 at 03:40:22PM +0100, Matthew Wilcox wrote:
> > On Tue, Apr 06, 2021 at 03:31:50PM +0100, Christoph Hellwig wrote:
> > > > > As Christoph, I'm not a fan of this :/
> > > > 
> > > > What would you prefer?
> > > 
> > > Looking at your full folio series on git.infradead.org, there are a
> > > total of 12 references to non-page members of struct folio, assuming
> > > my crude grep that expects a folio to be named folio did not miss any.
> > 
> > Hmm ... I count more in the filesystems:
> 
> I only counted the ones that you actually did convert.
> 
> This add about 80 more.  IMHO still not worth doing the union.  I'd
> rather sort this out properl if/when the structures get properly split.

Assuming we're getting rid of them all though, we have to include:

$ git grep 'page->mapping' fs |wc -l
358
$ git grep 'page->index' fs |wc -l
355




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