On 2014-11-11 at 20:49, Eric Blake wrote:
On 11/11/2014 09:18 AM, Max Reitz wrote:
No, I was envisioning that we have a brand new image with one cluster
allocated (cluster 1 has refcount 1), then 5 times in a row we do
'savevm' to take an internal snapshot. If I understand your code
correctly,
On 11/11/2014 09:18 AM, Max Reitz wrote:
>> No, I was envisioning that we have a brand new image with one cluster
>> allocated (cluster 1 has refcount 1), then 5 times in a row we do
>> 'savevm' to take an internal snapshot. If I understand your code
>> correctly, the first two snapshots increase
On 2014-11-11 at 17:13, Eric Blake wrote:
On 11/11/2014 01:22 AM, Max Reitz wrote:
On 2014-11-10 at 22:12, Eric Blake wrote:
On 11/10/2014 06:45 AM, Max Reitz wrote:
qcow2_alloc_bytes() may reuse a cluster multiple times, in which case
the refcount is increased accordingly. However, if this wo
On 11/11/2014 01:22 AM, Max Reitz wrote:
> On 2014-11-10 at 22:12, Eric Blake wrote:
>> On 11/10/2014 06:45 AM, Max Reitz wrote:
>>> qcow2_alloc_bytes() may reuse a cluster multiple times, in which case
>>> the refcount is increased accordingly. However, if this would lead to an
>>> overflow the fu
On 2014-11-10 at 22:12, Eric Blake wrote:
On 11/10/2014 06:45 AM, Max Reitz wrote:
qcow2_alloc_bytes() may reuse a cluster multiple times, in which case
the refcount is increased accordingly. However, if this would lead to an
overflow the function should instead just not reuse this cluster and
a
On 11/10/2014 06:45 AM, Max Reitz wrote:
> qcow2_alloc_bytes() may reuse a cluster multiple times, in which case
> the refcount is increased accordingly. However, if this would lead to an
> overflow the function should instead just not reuse this cluster and
> allocate a new one.
So if recount_ord
qcow2_alloc_bytes() may reuse a cluster multiple times, in which case
the refcount is increased accordingly. However, if this would lead to an
overflow the function should instead just not reuse this cluster and
allocate a new one.
Signed-off-by: Max Reitz
---
block/qcow2-refcount.c | 32 +++
