have to unlock node at end of inactive

no longer need nfs_lock* functions (use vop_nolock* instead)

massive update to incorporate version 3 protocol from Rick Macklem

conversion to queue.h list manipulation (from mycroft)

vget now locks optionally

4.4BSD snapshot (revision 8.1); add 1993 to copyright

the final polish to leases from Rick Macklem

bug fixes for LEASES from Rick Macklem

update for 4.4BSD from Rick Macklem

have to wait for VXLOCK to clear

make kernel includes standard

update from Rick Macklem

update to current hashing techniques

add parameter declarations; streamline unmarshalling

get rid of NOQUAD; nfs_removeit no longer takes a proc pointer

vnodeop argument macro expansion

vnode interface conversion

lookup converted to new form

update from Rick Macklem (including leases)

allocate and free nfsnode private part; sillyrename now in nfsnode

nfs_abortop must free pathname buffer

enable the ability to avoid doing locking

redefine sillyrename structure to avoid use of nameidata structure
(thus reducing its allocation size from 512 to 64 bytes)

add proc pointers to appropriate vnode operations

first cut for new proc & user structs (still need to put in new vnode calling
convention): get credentials, etc, via proc; u.u_nd, u.u_spare are gone;
purge user.h; consolidate *nullops()