refactoring rc.sysinit

[Bill Nottingham]

Josh Aas (josha at sgi.com) said: 
> +if [ ! -d /hwgfs ]; then
> +       mkdir /hwgfs
> +fi
> +
> +mount -t hwgfs none /hwgfs
> +if [ ! -d /hw ]; then
> +       mkdir /hw
> +fi
> +mount --bind /hwgfs/hw /hw
> +
> +if [ ! -d /dev/hw ]; then
> +       mkdir /dev/hw
> +fi
> +mount --bind /hwgfs/hw /dev/hw
> +

Oh, yuk. A sysfs-alike for IRIX compatibility? :)

> 
> +#
> +# Configure lkcd dump driver based on parameters in:
> +#        /etc/sysconfig/dump
> +# and save crash dump data (if any).
> +#
> +if [ -x /sbin/lkcd ]; then
> +       # Don't use last 1024 KBytes of disk during dump.
> +       tmp=`(. /etc/sysconfig/dump && mktemp $DUMPDIR/tmp.XXXXXX) 
> 2>/dev/null`
> +       test -f "$tmp" && dd </dev/zero >"$tmp" bs=1k count=1024 2>/dev/null
> +       action "Saving crash dump data (if any)" /sbin/lkcd save
> +       rm -f "$tmp"
> +       action "Configuring system to save crash dumps" /sbin/lkcd config
> +fi
> +
...

> +# Adjust symlinks as necessary in /boot to capture Kerntypes for
> +# crash dumps
> +if [ -L /boot/Kerntypes -a -r /boot/Kerntypes-`uname -r` -a \
> +       ! /boot/Kerntypes -ef /boot/Kerntypes-`uname -r` ] ; then
> +       ln -s -f Kerntypes-`uname -r` /boot/Kerntypes
> +fi
> +if [ ! -e /boot/Kerntypes -a -r /boot/Kerntypes-`uname -r` ] ; then
> +       ln -s -f Kerntypes-`uname -r` /boot/Kerntypes
> +fi
> +

Probably should be in its own script.

Bill