Format the codebase

See merge request redox-os/redoxfs!49

Add tracking of access times

See merge request !48

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.

Update path after frename

See merge request redox-os/redoxfs!46

Tests

See merge request !45