This Patch upgrades you File Systen to the SunOS 4.1.3 Version.

This Path is for sun3/3x only!

Important change: The UFS now has a clean-flag and the system can
check if a fsck is necessary.

Install as root with the following commands:

foreach i (*.o)
mv /sys/`arch -k`/OBJ/$i /sys/`arch -k`/OBJ/$i.411
end
mv /sys/ufs /sys/ufs.411
mv /usr/include/ufs /usr/include/ufs.411
mv /sys/sys/filio.h /sys/sys/filio.h.411
mv /usr/include/sys/filio.h /usr/include/sys/filio.h.411
mv /sys/sun/stubs.c /sys/sun/stubs.c.411
mv /usr/etc/rpc.lockd /usr/etc/rpc.lockd.411
mv /usr/etc/fsck /usr/etc/fsck.411
mv /usr/etc/mkfs /usr/etc/mkfs.411

cp *.o /sys/`arch -k`/OBJ
mkdir /sys/ufs
cp lockfs.h filio.h filai.h vaccess.h /sys/sys
cp lockfs.h filio.h filai.h vaccess.h /usr/include/sys
cp dbx_ufs.c fs.h inode.h lockfs.h quota.h fsdir.h lockf.h mount.h /sys/ufs
cp dbx_ufs.c fs.h inode.h lockfs.h quota.h fsdir.h lockf.h mount.h /usr/include/ufs
cp stubs.c /sys/sun
cp fsck /usr/etc
chmod 755 /usr/etc/fsck
cp mkfs /usr/etc
chmod 755 /usr/etc/mkfs
cp rpc.lockd /usr/etc
chmod 755 /usr/etc/rpc.lockd

Generate a new Kernel:

cd /sys/`arch -k`/conf
setenv KERNELNAME `cat /etc/motd | sed -e "s/.*(//" | sed -e "s/).*//"`
config $KERNELNAME
cd ../$KERNELNAME
make

Install the new Kernel:
mv /vmunix /vmunix.old
mv vmunix /
reboot