These will only exist in the middle of rename

Jeremy Soller authored 3 years ago and Jeremy Soller committed 3 years ago

Significant re-design to use copy-on-write and hashes for all data

AdminXVII authored 5 years ago and Jeremy Soller committed 5 years ago

Add the atime field, which tracks the last access time. Only reads
update the atime.

**BREAKING CHANGE**: One less extent available per block, 4 more bytes
for node names.