On 4/28/20 11:29 PM, Eric Blake wrote:
> The parallels driver tries to use truncation for image growth, but can
> only do so when reads are guaranteed as zero. Now that we have a way
> to request zero contents from truncation, we can defer the decision to
> actual allocation attempts rather than u
The parallels driver tries to use truncation for image growth, but can
only do so when reads are guaranteed as zero. Now that we have a way
to request zero contents from truncation, we can defer the decision to
actual allocation attempts rather than up front, reducing the number
of places that sti