[Devel] [Q] migrating inotify assigned on ploop device

[Igor]

On 01/13/2016 07:46 PM, Cyrill Gorcunov wrote:
> On Wed, Jan 13, 2016 at 07:40:55PM +0300, Igor wrote:
>> On 01/13/2016 07:25 PM, Cyrill Gorcunov wrote:
>>> On Wed, Jan 13, 2016 at 07:14:18PM +0400, Nikita Spiridonov wrote:
>>>> Lets try to fix bug using workaround in libvzctl and criu hooks. Images
>>>> recoding/patching too hard to implement for now; we can return to it
>>>> later.
>>> Which exactly workaround you mean, could you please share details?
>> on criu 'setup-namspeces' stage update minor for pld ploop to new one
>>
>> suspend:
>> /dev/ploop1 182:1
>>
>> restore:
>> /dev/ploop2 182:2
>>
>> rm /dev/ploop1
>> mknod /dev/ploop1 b 182:2
> I don't get it. What's the profit of changing the minor?
> We need the name of ploop to be immutable if we're not
> going to update images. Igor, what I'm missing?
I suppose that restore failure resulted due to change the minor number 
of the device,
so setting to old device new minor allow to work  with device by old name