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Date: Tue, 22 Jan 2002 17:03:02 -0200 (BRST)
From: Rik van Riel <riel@conectiva.com.br>
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To: Andrew Morton <akpm@zip.com.au>
Cc: Hans Reiser <reiser@namesys.com>, Andreas Dilger <adilger@turbolabs.com>,
        Chris Mason <mason@suse.com>, Shawn Starr <spstarr@sh0n.net>,
        <linux-kernel@vger.kernel.org>, <ext2-devel@lists.sourceforge.net>
Subject: Re: Possible Idea with filesystem buffering.
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On Tue, 22 Jan 2002, Andrew Morton wrote:
> Hans Reiser wrote:
> >
> > So is there a consensus view that we need 2 calls, one to write a
> > particular page, and one to exert memory pressure, and the call to write
> > a particular page should only be used when we really need to write that
> > particular page?
>
> Note that writepage() doesn't get used much.  Most VM-initiated
> filesystem writeback activity is via try_to_release_page(), which
> has somewhat more vague and flexible semantics.

We may want to change this though, or at the very least get
rid of the horrible interplay between ->writepage and
try_to_release_page() ...

regards,

Rik
-- 
"Linux holds advantages over the single-vendor commercial OS"
    -- Microsoft's "Competing with Linux" document

http://www.surriel.com/		http://distro.conectiva.com/

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