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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook V4.1//EN"> |
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<refentry id="create_compressed_fs"> |
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<refmeta> |
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<refentrytitle>create_compressed_fs</refentrytitle> |
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<manvolnum>1</manvolnum> |
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</refmeta> |
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<refnamediv> |
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<refname>create_compressed_fs, extract_compressed_fs</refname> |
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<refpurpose>convert and extract a filesystem to/from a cloop volume</refpurpose> |
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</refnamediv> |
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<refsynopsisdiv> |
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<cmdsynopsis> |
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<command>create_compressed_fs</command> |
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<arg choice="req"> image</arg> |
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<arg choice="req">blocksize</arg> |
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<arg choice="opt">> image.cloop_compressed</arg> |
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</cmdsynopsis> |
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<cmdsynopsis> |
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<command>extract_compressed_fs</command> |
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<arg choice="req"> filename</arg> |
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</cmdsynopsis> |
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</refsynopsisdiv> |
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<refsect1> |
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<title>DESCRIPTION</title> |
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<para><command>create_compressed_fs</command> compresses a filesystem image |
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to a compressed image suitable for mounting with the cloop driver. blocksize |
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must be a multiple of 512 bytes. Make sure you have enough swap to hold the |
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entire compressed image in virtual memory! Use "-" as filename to read data |
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from stdin, as in: </para> |
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<para> |
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mkisofs -r datadir | create_compressed_fs - 65536 > datadir.iso.compressed |
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</para> |
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</refsect1> |
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<refsect1> |
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<title>MOUNTING</title> |
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<para>You have to pass the options to the cloop module on loading:</para> |
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<para>insmod cloop.o file=/path/to/compressed/image</para> |
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<para>mount -o ro -t whatever /dev/cloop /mnt/compressed</para> |
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</refsect1> |
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<title>SEE ALSO</title> |
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<command>/usr/share/doc/cloop-utils/*</command>, <command>/usr/share/doc/cloop-src/*</command> |
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</refsect1> |
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<refsect1> |
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<title>AUTHOR</title> |
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<para>This manual page was written by Eduard Bloch |
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<email>(blade@debian.org)</email> for the <productname>Debian |
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GNU/Linux</productname> system (but may be used by others). Permission is |
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granted to copy, distribute and/or modify this document under the terms of |
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the <acronym>GNU</acronym> Free Documentation License, Version 1.1 or any |
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later version published by the Free Software Foundation; with no Invariant |
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Sections, no Front-Cover Texts and no Back-Cover Texts.</para> |
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</refsect1> |
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</refentry> |
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