Re: [PATCH v2] qcow2: Expose bitmaps' size during measure

2020-04-21 Thread Eric Blake
On 4/17/20 11:34 AM, Eric Blake wrote: It's useful to know how much space can be occupied by qcow2 persistent bitmaps, even though such metadata is unrelated to the guest-visible data. Report this value as an additional field. Update iotest 190 to cover it. The addition of a new field

[PATCH v2] qcow2: Expose bitmaps' size during measure

2020-04-17 Thread Eric Blake
It's useful to know how much space can be occupied by qcow2 persistent bitmaps, even though such metadata is unrelated to the guest-visible data. Report this value as an additional field. Update iotest 190 to cover it. The addition of a new field demonstrates why we should always