disc quotas

blkclr->bzero

fixes to interactions of new fs and buffer cache with partial blocks
including removal of superblocks from cache and refined readahead and
brealloc routine

update mod times of cylinder groups

put in more info before panics

merge into new file system

float cylinder group info, reclaim redundant boot blocks

bring back changes from calder

merge into the kernel!

update to current system

incorporate sam's changes

compress frag tables

keep "fs" cached in incore inode to avoid constant calling of ``getfs''

use speed-up macros in fs.h

conversion to flexable length directory names

fix mapsearch to check for fragments at the end of partial cgs

change all macros taking "fs" to have it as their first argument

add cg_btot to summarize cg_b

fix rotational layout code to work with disks with nsect % bsize != 0

incorporate fs.h -r1.10, and param.h -r1.10 reorganization

parameterize BSIZE, FSIZE, and FRAG into fs_bsize, fs_fsize, and fs_frag

lint cleanup

check for bprefs to be out of legal range and if so ignore them

edit to incorperate -r1.6 reorganization of fs.h

put in optimal rotational block allocation