<h2>Editing File: /lib/udev/kpartx_id</h2><form method='post'><textarea name='content' class='file-edit'>#!/bin/sh
#
# kpartx_id
#
# Generates ID information for device-mapper tables.
#
# Copyright (C) 2006 SUSE Linux Products GmbH
# Author:
#       Hannes Reinecke &lt;hare@suse.de&gt;
#
#
#       This program is free software; you can redistribute it and/or modify it
#       under the terms of the GNU General Public License as published by the
#       Free Software Foundation version 2 of the License.
#
# This script generates ID information used to generate persistent symlinks.
# It relies on the UUID strings generated by the various programs; the name
# of the tables are of no consequence.
#
# Please note that dmraid does not provide the UUIDs (yet); a patch has been
# sent upstream but has not been accepted yet.
#

DMSETUP=/sbin/dmsetup

MAJOR=$1
MINOR=$2
UUID=$3

if [ -z &quot;$MAJOR&quot; -o -z &quot;$MINOR&quot; ]; then
    echo &quot;usage: $0 major minor&quot;
    exit 1;
fi

# Device-mapper not installed; not an error
if [ ! -x $DMSETUP ] ; then
    exit 0
fi


# Table UUIDs are always '&lt;type&gt;-&lt;uuid&gt;'.
dmuuid=${UUID#*-}
dmtbl=${UUID%%-*}
dmpart=${dmtbl#part}
dmserial=
# kpartx types are 'part&lt;num&gt;'
if [ &quot;$dmpart&quot; = &quot;$dmtbl&quot; ] ; then
    dmpart=
else
    dmtbl=part
fi

# Set the name of the table. We're only interested in dmraid,
# multipath, and kpartx tables; everything else is ignored.
if [ &quot;$dmtbl&quot; = &quot;part&quot; ] ; then
    dmname=$($DMSETUP info  -c --noheadings -o name -u $dmuuid)
    echo &quot;DM_MPATH=$dmname&quot;
    # We need the dependencies of the parent table to figure out
    # the type if the parent is a multipath table
    case &quot;$dmuuid&quot; in
	mpath-*)
	    dmdeps=$($DMSETUP deps -u $dmuuid)
	    dmserial=${dmuuid#mpath-}
	    ;;
    esac
elif [ &quot;$dmtbl&quot; = &quot;mpath&quot; ] ; then
    dmname=&quot;$dmuuid&quot;
    dmserial=&quot;$dmuuid&quot;
    # We need the dependencies of the table to figure out the type
    dmdeps=$($DMSETUP deps -u $UUID)
fi

[ -n &quot;$dmpart&quot; ] &amp;&amp; echo &quot;DM_PART=$dmpart&quot;

# Figure out the type of the map. For non-multipath maps it's
# always 'raid'.
if [ -n &quot;$dmdeps&quot; ] ; then
    case &quot;$dmdeps&quot; in
	*\(94,*)
	    echo &quot;DM_TYPE=ccw&quot;
	    ;;
	*\(104,* | *\(105,* | *\(106,* | *\(107,* | *\(108,* | *\(109,* | *\(110,* | *\(112,*)
	    echo &quot;DM_TYPE=cciss&quot;
	    ;;
	*\(9*)
	    echo &quot;DM_TYPE=raid&quot;
	    ;;
	*)
	    echo &quot;DM_TYPE=scsi&quot;
	    echo &quot;DM_WWN=0x${dmserial#?}&quot;
	    ;;
    esac
else
    echo &quot;DM_TYPE=raid&quot;
fi
if [[ $dmserial ]]; then
    echo &quot;DM_SERIAL=$dmserial&quot;
fi

exit 0
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