Re: Disk Compression

arnal (arnal@limsi.fr)
Fri, 14 Feb 1997 21:22:15 +0100


William Sowerbutts wrote:
>
> Has anyone written a disk compression system for Linux? Ideally, I'd like
> to be able to mount a compressed ext2 filesystem from a hard disk into my
> filesystem as usual. The root FS needn't be compressed.
>
> And yes, I do know how ridiculously cheap hard disk space is nowadays,
> however I am but a poor student.
>
> _________________________________________________________________________
> William R Sowerbutts (BtG) btg@thepentagon.com
> http://www.users.dircon.co.uk/~guru/
> main(){char*s=">#=0> ^#X@#@^7=";int c=0,m;for(;c<15;c++)for
> (m=-1;m<7;putchar(m++/6&c%3/2?10:s[c]-31&1<<m?42:32));}

I was using this patch on Kernel 1.2.13. It was working very well.
But I don't know if someone rewrite it for kernel 2.0. May ask
to the author.

Title: double: on-the-fly disk compression driver for Linux
Version: 0.4l
Entered-date: 21APR95
Description: block driver for on-the-fly, filesystem independent,
disk
compression, with patches for Linux 1.2.5, and utilities
Keywords: disk compression, double, Linux
Author: jmv@achaz.saclay.cea.fr (Jean-Marc Verbavatz)
Maintained-by: jmv@achaz.saclay.cea.fr (Jean-Marc Verbavatz)
Primary-site: sunsite.unc.edu /pub/Linux/kernel/patches/diskdrives
85057 double-0.4l1.tar.gz
707 double-0.4l.lsm
Alternate-site: tsx-11.mit.edu /pub/linux/ALPHA/double
Platform: Linux 1.2.5
Copying-policy: Freely Restributable, Copyright by Jean-Marc Verbavatz
End

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            ARNAL Laurent        email:  arnal@limsi.fr
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