Erez Zadok Ion Badulescu Alex Shender Extending File Systems Using Stackable Templates. 57-70 1999 conf/usenix/1999g USENIX Annual Technical Conference, General Track http://www.usenix.org/events/usenix99/full_papers/zadok/zadok.pdf db/conf/usenix/usenix1999g.html#ZadokBS99