detect release of free inodes (from stale file handles)
and just put them on the free list

update reference counts on vnodes using VREF

compatibility code to assign a generation number to inodes that have none

put in explicit lock and unlock so that locking can be checked

merge in vnodes

geteblk => malloc for copy of indirect pointers

geteblk => malloc, so m_bufp => m_fs as it should be

change free() to blkfree() to allow for malloc()/free()

working with pack labels

add ifdefs for dev_bsize (almost working)

4.3BSD release version

lint

lint and cleanups from Sam

lint cleanup

Add copyright

don't try to truncate inodes on read-only file systems (from sun!shannon)

eliminate extraneous include of conf.h

don't try to truncate inodes on read-only file systems (from sun!shannon)

must zero out unused portion of partial blocks when truncating files

Change to includes. no more ../h

increase size of hash table header to reduce collisions

use new `cacheinval' macro

iget must lock old inode before dqrele()

save time, use ILOCK and IUNLOCK to avoid call overhead

eliminate unnecessary panic when id's wrap