More media changes have gone in. Not the one I intended to put in
today so there are still two left.
Testers need to rebuild kernel / utilities and a newfs_hammer is
needed (and will be throughout this week). Please expect that the
commits going in this week will require newfs'ing for testing purposes.
56B Fixes numerous performance issues, including a very nasty 25uS crc
calculation that was being made on every B-Tree node access and every
B-Tree node modification. That calculation is now only being made
on the initial buffer load into the cache and when the modified nodes
are written out.