git: plan9front

ref: aba180acc6c9ef7b73f78895ef07665b0e0eca52
dir: /sys/src/cmd/disk/

9660/
cryptsetup.c
exsort.c
format.c
mbr.c
mkext.c
mkfile
mkfs.c
partfs.c
prep/
rd9660.c
sacfs/
smart/
vblade/