*BSD News Article 42661


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From: spannrin@olympus.bzn.vlt.eds.com (Craig Spannring)
Newsgroups: comp.os.386bsd.development
Subject: Re: DoubleSpace for UFS?
Date: 19 Feb 1995 11:32:02 -0700
Organization: Video Lottery Consultants, Bozeman MT.
Lines: 20
Message-ID: <3i82r2$srh@olympus.bzn.vlt.eds.com>
References: <D47HrE.CK7@murdoch.acc.Virginia.EDU> <3i5rju$drn@park.uvsc.edu>
NNTP-Posting-Host: olympus.bzn.vlt.eds.com

In article <3i5rju$drn@park.uvsc.edu>,
Terry Lambert  <terry@cs.weber.edu> wrote:
>act9m@mamba.cs.Virginia.EDU (Alan Chih-Chang Tai) wrote:
>> As a class project, my team is considering implemeting an on-the-fly
>> disk compression for the Unix File System.

[snip]

>> 3) would this involve mucking around with the kernel?
>
>Yes.  Unless you went the user space route

Wouldn't having it in user space break demand paged loading of binary
executables?  (Not really sure how BSD does virtual memory.)

-- 
===========================================================================
 On the planet Vulcan, MSDOS    | Craig Spannring --- (406) 585-6655x5104
 would be considered illogical. | spannrin@olympus.bzn.vlt.eds.com
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