Re: container disk quota

[Glauber Costa <glommer@parallels.com>]

On 06/03/2012 09:47 AM, Kirill Korotaev wrote:
>
> On Jun 3, 2012, at 08:23 , Jeff Liu wrote:
>
>> Hi Kirill,
>>
>> On 06/02/2012 11:21 PM, Kirill Korotaev wrote:
>>
>>>>>>>
>>>>>>> Not having looked closely at the original patchset, let me ask - is this
>>>>>>> feature going to be a freebie with Eric's usernamespace patches?
>>>>>>
>>>>>> It we can reach a consensus to bind quota on mount namespace for
>>>>>> container or other things maybe.
>>>>>
>>>>> 1. OpenVZ doesn't use mount namespaces and still has quotas per container.
>>>>
>>>> AFAICS, OpenVZ has self-released quota tools to supply this feature.
>>>
>>> but standard quota tools work inside container w/o any modifications.
>>> This is very important for us, cause we run unmodified distros inside.
>>
>> Yes, am agree.
>> I can work out a new patches regarding quota tools based on mount namespace w/o any modification.
>
> Jeff, why do you need fs namespace for quotas? OpenVZ works w/o it.
> It sounds as too strict use case limitation. Or do I understand your patchset description wrong?
>

OpenVZ has its own kernel, with its very own isolation capabilities.
So in upstream, something has to be used instead.