The Tux3 filesystem returns

Tux3 takes complete control of when delta transitions take place. After a delta transition (end of one delta, beginning of another) the "marshal" step sets up and queues a delta commit. No delta transition, no marshal, no delta commit, no disk writes, simple. I'm sure other filesystems are capable of this level of control, but in Tux3 the entire commit pipeline is controlled by this one thing.