From: Andrew Morton <akpm@digeo.com>
To: David Howells <dhowells@redhat.com>
Cc: torvalds@transmeta.com, dhowells@redhat.com, jgarzik@redhat.com,
linux-kernel@vger.kernel.org
Subject: Re: extra PG_* bits for page->flags
Date: Mon, 10 Feb 2003 15:12:44 -0800 [thread overview]
Message-ID: <20030210151244.7e42d3fb.akpm@digeo.com> (raw)
In-Reply-To: <20459.1044874267@warthog.cambridge.redhat.com>
David Howells <dhowells@redhat.com> wrote:
>
>
> Hi Linus,
>
> I'm writing a cache filesystem for primarily for caching AFS pages, but that
> also can be used for caching other network FS pages (such as NFSv4, which Jeff
> Garzik and Trond Myklebust are interested in, I think).
Is a new fs needed? Is it not possible to use an existing filesystem of the
user's choice for local caching?
> ...
>
> (*) PG_journal
> (*) PG_journalmark
Well. If you new fs goes in then yes, we can spare those bits (just). If
possible, consider making them "opaque address_space-private", so this prime
real estate can be shared with other filesystems (eg, PG_checked).
next prev parent reply other threads:[~2003-02-10 23:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-10 10:51 David Howells
2003-02-10 23:12 ` Andrew Morton [this message]
2003-02-11 0:07 ` Nigel Cunningham
2003-02-11 0:20 ` Andrew Morton
2003-02-11 2:17 ` Nigel Cunningham
2003-02-11 4:18 ` Valdis.Kletnieks
2003-02-11 11:05 ` David Howells
2003-02-11 10:54 ` David Howells
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