ref: 44d3d0c337b3b5078cb56a5853dfc2156124ecc6
dir: /TODO/
*** must have before usable for testing *** - correctly implement deadlists - fix locking mess on snapshots - auth against authservers - implement special file modes: ORCLOSE, OEXCL, etc *** nice to have, can get testing without** - Reserve blocks for deletion - add missing management commands in console - 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