plan9fox/rc/bin/diskparts
2011-05-02 01:21:55 +00:00

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#!/bin/rc
# set up any disk partitions
if (! test -e /dev/sdctl)
bind -b '#S' /dev
# attach partfs to usb disks
for(disk in /dev/sdU*[0-9]){
pdev=`{echo $disk | sed 's,^/dev/(.*),\1p,'}
if(! test -d /dev/$pdev && test -f $disk/data)
disk/partfs -d $pdev $disk/data
}
# set up any /dev/sd partitions.
# note that really big disks (e.g., aoe devices) may have no mbr
# partition table because the mbr partition table can't cope with large
# block numbers, so we may have to examine the data file with prep if
# there's no plan9 file. beware that `disk/prep -p data' on a disk with
# no plan 9 partition table will delete all extant partitions.
for(disk in /dev/sd*) {
if(test -f $disk/data && test -f $disk/ctl)
{ disk/fdisk -p $disk/data |
grep -v '^delpart ' >$disk/ctl } >[2]/dev/null
if(test -f $disk/plan9)
parts=($disk/plan9*)
if not
parts=($disk/data)
for(part in $parts)
if(test -f $part)
{ disk/prep -p $part |
grep -v '^delpart ' >$disk/ctl } >[2]/dev/null
}
sysname=`{cat /dev/sysname}
# set up any fs(3) partitions
if (! test -e /dev/fs/ctl && test -e '#k/fs')
bind -b '#k' /dev
if (~ $#sysname 1 && ! ~ $sysname '' &&
test -r /cfg/$sysname/fsconfig && test -w /dev/fs/ctl)
read -m /cfg/$sysname/fsconfig >/dev/fs/ctl