Re: [PATCH v8 2/3] docs: define padding for qcow2 header

2019-10-18 Thread Vladimir Sementsov-Ogievskiy
18.10.2019 17:02, Eric Blake wrote: > On 10/18/19 4:47 AM, Vladimir Sementsov-Ogievskiy wrote: >> Header extensions ends are already defined to be multiply of 8. Let's >> gently ask for header length to be a multiply of 8 too, when we have >> some additional fields. Requiring this may be

Re: [PATCH v8 2/3] docs: define padding for qcow2 header

2019-10-18 Thread Eric Blake
On 10/18/19 4:47 AM, Vladimir Sementsov-Ogievskiy wrote: Header extensions ends are already defined to be multiply of 8. Let's gently ask for header length to be a multiply of 8 too, when we have some additional fields. Requiring this may be considered as an incompatible change, so the padding

[PATCH v8 2/3] docs: define padding for qcow2 header

2019-10-18 Thread Vladimir Sementsov-Ogievskiy
Header extensions ends are already defined to be multiply of 8. Let's gently ask for header length to be a multiply of 8 too, when we have some additional fields. Requiring this may be considered as an incompatible change, so the padding is optional. Actually, padding is allowed before this patch