51 lines
1.1 KiB
Bash
51 lines
1.1 KiB
Bash
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#!/bin/sh -e
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#
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# Copyright (c) 2004 Marco d'Itri <md@linux.it>
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# Copyright (c) 2004 Piotr Roszatycki <dexter@debian.org>
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#
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# Usage:
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# KERNEL="cciss!*", PROGRAM="/etc/udev/scripts/raid-devfs.sh %k", NAME="%c{1}", SYMLINK="%k"
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# KERNEL="ida!*", PROGRAM="/etc/udev/scripts/raid-devfs.sh %k", NAME="%c{1}", SYMLINK="%k"
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# KERNEL="rd!*", PROGRAM="/etc/udev/scripts/raid-devfs.sh %k", NAME="%c{1}", SYMLINK="%k"
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get_dev_number_cciss() {
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grep '^cciss/' /proc/driver/cciss/* | cat -n | \
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sed -n "/cciss\/$1:/s/cciss.*//p"
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}
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get_dev_number_ida() {
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grep '^ida/' /proc/driver/cpqarray/* | cat -n | \
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sed -n "/ida\/$1:/s/ida.*//p"
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}
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get_dev_number_rd() {
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grep '^ */dev/rd/' /proc/rd/*/initial_status | cat -n | \
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sed -n "/rd\/$1:/s/\/dev\/rd.*//p"
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}
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get_dev_number() {
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dev=$1
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num=$(eval $(echo get_dev_number_$TYPE $dev))
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[ "$num" ] || exit 1
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echo $(($num - 1))
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}
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TYPE=${1%%/*}
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NAME=${1#*/}
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# abort if there was no match
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[ "$TYPE" != "$1" ] || exit 1
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case "$NAME" in
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*p*)
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LONG_NAME=disc$(get_dev_number ${NAME%%p*})/part${NAME##*p}
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;;
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*)
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LONG_NAME=disc$(get_dev_number $NAME)/disc
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;;
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esac
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echo "$TYPE/$LONG_NAME"
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exit 0
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