Re: [PATCH 06/43] FS-Cache: Recruit a couple of page flags for cache management [ver #46]

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On Friday 03 April 2009 04:09:15 David Howells wrote:
> Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:
> 
> > Comments about PG_private still stand.
> 
> Replies about PG_private still stand.
> 
> It's owned by fs/buffer.c, and if the 'netfs' uses that, then PG_private is
> not available.

Well in theory I still think it would be cleanest to modify buffer to
play more nicely with it. But maybe that ends up being harder to
distinguish the 3 cases of attached metadata on the page. I don't know,
you haven't posted any isofs code so either way it is inappropriate to
use up this extra page flag here.

Is isofs cache worth a page flag?
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