On 2017-05-13 01:00, John Snow wrote:
>
>
> On 05/12/2017 12:06 PM, Max Reitz wrote:
>> On 2017-05-11 16:56, Eric Blake wrote:
>>> [revisiting this older patch version, even though the final version in
>>> today's pull request changed somewhat from this approach]
>>>
>>> On 04/12/2017 04:49 AM,
On 05/12/2017 12:06 PM, Max Reitz wrote:
> On 2017-05-11 16:56, Eric Blake wrote:
>> [revisiting this older patch version, even though the final version in
>> today's pull request changed somewhat from this approach]
>>
>> On 04/12/2017 04:49 AM, Kevin Wolf wrote:
>>> Am 11.04.2017 um 03:17 hat
On 2017-05-11 16:56, Eric Blake wrote:
> [revisiting this older patch version, even though the final version in
> today's pull request changed somewhat from this approach]
>
> On 04/12/2017 04:49 AM, Kevin Wolf wrote:
>> Am 11.04.2017 um 03:17 hat Eric Blake geschrieben:
>>> 'qemu-img map'
On 05/11/2017 09:56 AM, Eric Blake wrote:
>
> On IRC, John, Kevin, and I were discussing the current situation with
> libvirt NBD storage migration. When libvirt creates a file on the
> destination (rather than the user pre-creating it), it currently
> defaults to 0.10 [v2] images, even if the
[revisiting this older patch version, even though the final version in
today's pull request changed somewhat from this approach]
On 04/12/2017 04:49 AM, Kevin Wolf wrote:
> Am 11.04.2017 um 03:17 hat Eric Blake geschrieben:
>> 'qemu-img map' already coalesces information about unallocated
>>
On 04/12/2017 04:49 AM, Kevin Wolf wrote:
>> Furthermore, this matches the behavior of discard_single_l2(), in
>> favoring an unallocated cluster over a zero cluster when full
>> discard is requested.
>
> The only use for "full discard" is qcow2_make_empty(). It explicitly
> requests that the
On 04/12/2017 04:49 AM, Kevin Wolf wrote:
> Am 11.04.2017 um 03:17 hat Eric Blake geschrieben:
>> 'qemu-img map' already coalesces information about unallocated
>> clusters (those with status 0) and pure zero clusters (those
>> with status BDRV_BLOCK_ZERO and no offset). Furthermore, all
>> qcow2
Am 11.04.2017 um 03:17 hat Eric Blake geschrieben:
> 'qemu-img map' already coalesces information about unallocated
> clusters (those with status 0) and pure zero clusters (those
> with status BDRV_BLOCK_ZERO and no offset). Furthermore, all
> qcow2 images with no backing file already report all
'qemu-img map' already coalesces information about unallocated
clusters (those with status 0) and pure zero clusters (those
with status BDRV_BLOCK_ZERO and no offset). Furthermore, all
qcow2 images with no backing file already report all unallocated
clusters (in the preallocation sense of