On 28.10.2015 14:43, Alberto Garcia wrote:
> 'block-commit' needs write access to two different nodes of the chain:
>
> - 'base', because that's where the data is written to.
> - the overlay of 'top', because it needs to update the backing file
> string to point to 'base' after the operation.
>
'block-commit' needs write access to two different nodes of the chain:
- 'base', because that's where the data is written to.
- the overlay of 'top', because it needs to update the backing file
string to point to 'base' after the operation.
Both images have to be opened in read-write mode, and
