ref: 1a4e1fc2e52ab80b55ef0d7fdccca973267fb4cc
dir: /fsck/
#!/bin/rc
# usage
# disk/fsck /dev/sdFn/fs
disk=$1
if(~ $#disk '')
exit invalid disk
# get the total number of blocks from the config block
nblocks=`{disk/block $disk 2 | awk '$1 == "nblocks"{ print $2 }'}
# write the free extents to /adm/frees
disk/used $disk > /tmp/used.blocks
disk/updatefrees $disk <{disk/unused $nblocks /tmp/used.blocks}
# change fsok from 0 to 1
disk/fsok $disk
rm /tmp/used.blocks