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From: dillon@CORY.BERKELEY.EDU (Matt Dillon)
Newsgroups: net.micro.amiga
Subject: Re: DOS filing system efficiency statis
Message-ID: <8610170026.AA13458@cory.Berkeley.EDU>
Date: Thu, 16-Oct-86 20:26:55 EDT
Article-I.D.: cory.8610170026.AA13458
Posted: Thu Oct 16 20:26:55 1986
Date-Received: Fri, 17-Oct-86 03:21:17 EDT
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Organization: University of California at Berkeley
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>> -I think it would be a good idea NOT to put the first data block on the same
>> cylinder as the file entry.  You would then have double then number of 
>> sectors on that cylinder to put file headers.
>wayne hamilton:
>    i think this was supposed to be a feature, so those small icon files
>would cluster close to the directory and file headers.  hence the notable
>speedup in icon plotting when Workbench drawers are opened.

	You're correct.  However, you took my words out of context.  The idea
is that if you have multiple track buffering, you still want to group the
first data blocks together, just not put them on the same cylinder as the
directory.  C-A's idea of putting the first data block on the directory
track is a feature only if you do not have multiple track buffering, which
we currently don't.

	If you think about it, *everything* will go much faster with multiple
track buffering and read-ahead.

				-Matt