On Fri 09 Jun 2017 04:53:05 PM CEST, Eric Blake wrote:
> Let's suppose we have a guest issuing 512-byte aligned requests and a
> host that requires 4k alignment; and the guest does an operation that
> needs a COW with one sector at both the front and end of the cluster.
>
>> @@ -760,22 +776,59 @@
On 06/07/2017 09:08 AM, Alberto Garcia wrote:
> This patch splits do_perform_cow() into three separate functions to
> read, encrypt and write the COW regions.
>
> perform_cow() can now read both regions first, then encrypt them and
> finally write them to disk. The memory allocation is also done
This patch splits do_perform_cow() into three separate functions to
read, encrypt and write the COW regions.
perform_cow() can now read both regions first, then encrypt them and
finally write them to disk. The memory allocation is also done in
this function now, using one single buffer large
