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Date: Wed, 11 Sep 2002 13:18:29 -0300 (BRT)
From: Rik van Riel <riel@conectiva.com.br>
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To: Andrew Morton <akpm@digeo.com>
cc: Daniel Phillips <phillips@arcor.de>, Chuck Lever <cel@citi.umich.edu>,
       <trond.myklebust@fys.uio.no>,
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Subject: Re: invalidate_inode_pages in 2.5.32/3
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On Tue, 10 Sep 2002, Andrew Morton wrote:

> We _could_ walk the pte chain in writeback.  But that would involve
> visiting every page in the mapping, basically.  That could hurt.
>
> But if a page is already dirty, and we're going to write it anyway,
> it makes tons of sense to run around and clean all the ptes which
> point at it.

Walking ptes probably doesn't hurt as much as doing extra
disk IO, so I guess you're right ;)

Rik
-- 
Bravely reimplemented by the knights who say "NIH".

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

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