ref: cc6e4b6231bb28fe268feea3bfb50f7e0ee59166
dir: /TODO/
*** must have before usable for testing *** - correctly implement deadlists - auth against authservers - users and groups: - permission checks - user and group loading - complete wstat: implement missing operations - implement special file modes: ORCLOSE, OEXCL, etc - add missing management commands in console *** nice to have, can get testing without** - transient exec snapshots - performance optimization: - async page writeback: currently, every write to device is sync. - bulk block frees - background block frees - root block reuse - small file optimizations - inline data - block fragmentation - testing, debugging