06.05.2020 18:14, Eric Blake wrote:
On 5/6/20 4:25 AM, Vladimir Sementsov-Ogievskiy wrote:
Currently this field only set by qed and qcow2.
Well, only after patches 1-6 (prior to then, it was also set in protocol
drivers). I think you might be able to hoist part of this patch earlier in the
07.05.2020 10:05, Vladimir Sementsov-Ogievskiy wrote:
06.05.2020 18:14, Eric Blake wrote:
On 5/6/20 4:25 AM, Vladimir Sementsov-Ogievskiy wrote:
Currently this field only set by qed and qcow2.
Well, only after patches 1-6 (prior to then, it was also set in protocol
drivers). I think you mig
06.05.2020 18:14, Eric Blake wrote:
On 5/6/20 4:25 AM, Vladimir Sementsov-Ogievskiy wrote:
Currently this field only set by qed and qcow2.
Well, only after patches 1-6 (prior to then, it was also set in protocol
drivers). I think you might be able to hoist part of this patch earlier in the
On 5/6/20 4:25 AM, Vladimir Sementsov-Ogievskiy wrote:
Currently this field only set by qed and qcow2. But in fact, all
backing-supporting formats (parallels, qcow, qcow2, qed, vmdk) share
this semantics: on unallocated blocks, if there is no backing file they
just memset the buffer with zeroes.
06.05.2020 18:14, Eric Blake wrote:
On 5/6/20 4:25 AM, Vladimir Sementsov-Ogievskiy wrote:
Currently this field only set by qed and qcow2.
Well, only after patches 1-6 (prior to then, it was also set in protocol
drivers). I think you might be able to hoist part of this patch earlier in the
On 5/6/20 4:25 AM, Vladimir Sementsov-Ogievskiy wrote:
Currently this field only set by qed and qcow2.
Well, only after patches 1-6 (prior to then, it was also set in protocol
drivers). I think you might be able to hoist part of this patch earlier
in the series, to make the changes to the pr
Currently this field only set by qed and qcow2. But in fact, all
backing-supporting formats (parallels, qcow, qcow2, qed, vmdk) share
this semantics: on unallocated blocks, if there is no backing file they
just memset the buffer with zeroes.
So, document this behavior for .supports_backing and dro