Aucbvax.2936
fa.unix-wizards
utzoo!decvax!ucbvax!unix-wizards
Fri Sep  4 10:30:21 1981
umounting a filesys with an open file
>From decvax!duke!phs!dennis@Berkeley Fri Sep  4 10:22:27 1981
There was a program under v6 (I may still have the source around) which
poked through the kernel tables and produced info on all active inodes,
including major/minor, and which process had them open.  This seems to
be just what you want.