In one embodiment, systems and methods are provided for incremental
journaling. In one embodiment, order-independent operations are journaled
incrementally for the same storage location. In one embodiment, partially
ordered operations are journaled incrementally for the same storage
location. In one embodiment, order-independent operations and partially
ordered operations are journaled incrementally for the same storage
location. In one embodiment, incremental journaling is used to update
data that represents accounting, ctime, and parity.