linux-kernel - Re: [PATCH 10/28] FS-Cache: Recruit a couple of page flags for cache management [try #2]

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Message-ID: <7972.1199711343@redhat.com>
Date:	Mon, 07 Jan 2008 13:09:03 +0000
From:	David Howells <dhowells@...hat.com>
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	dhowells@...hat.com, viro@....linux.org.uk, hch@...radead.org,
	Trond.Myklebust@...app.com, sds@...ho.nsa.gov,
	casey@...aufler-ca.com, linux-kernel@...r.kernel.org,
	selinux@...ho.nsa.gov, linux-security-module@...r.kernel.org
Subject: Re: [PATCH 10/28] FS-Cache: Recruit a couple of page flags for cache management [try #2]

Nick Piggin <nickpiggin@...oo.com.au> wrote:

> No. I mean call the bit PG_private2. That way non-pagecache and
> filesystems that don't use fscache can use it.

The bit is called PG_owner_priv_2, and then 'subclassed' to PG_fscache, much
like PG_owner_priv_1 is 'subclassed' to PG_checked as was recommended.

David
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