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Date:      Mon, 5 Feb 1996 09:37:21 +0100 (MET)
From:      Luigi Rizzo <luigi@labinfo.iet.unipi.it>
To:        bde@zeta.org.au (Bruce Evans)
Cc:        hackers@FreeBSD.org, rnordier@iafrica.com
Subject:   Re: FAT filesystem performance
Message-ID:  <199602050837.JAA20312@labinfo.iet.unipi.it>
In-Reply-To: <199602050734.SAA02716@godzilla.zeta.org.au> from "Bruce Evans" at Feb 5, 96 06:34:23 pm

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> 128K is quite small now, but it still isn't necessary to lock it into
> memory.  Caching it in a normal LRU way should work reasonably well.
> Perhaps FAT buffers should have a higher priority than other buffers
> for msdosfs, but they probably shouldn't have higher priority than
> buffers for other file systems.

agreed. That's why I thought not to develop a special purpose caching
policy and try to rely on what is already available. Especally in
FreeBSD, where the FS & VM caches are merged, and the system should be
quite flexible.

	Luigi
====================================================================
Luigi Rizzo                     Dip. di Ingegneria dell'Informazione
email: luigi@iet.unipi.it       Universita' di Pisa
tel: +39-50-568533              via Diotisalvi 2, 56126 PISA (Italy)
fax: +39-50-568522              http://www.iet.unipi.it/~luigi/
====================================================================



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