[ovs-discuss] QoS "isRoot" rationale?

[KRB]

That makes sense from a usability standpoint, which I suspected but always good to get confirmation. 

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> On Dec 9, 2013, at 1:59 PM, Justin Pettit <jpettit at nicira.com> wrote:
> 
> 
>> On Dec 9, 2013, at 1:16 PM, alagalah <alagalah at gmail.com> wrote:
>> 
>> I was wondering if someone could explain the rationale behind the QoS Table having "isRoot"=True?
>> 
>> I understand why Queues has it, but wasn't sure as to why QoS ?
>> 
>> Is this simply to preserve it from garbage collection so QoS configurations can be re-used without losing them if the last reference in Port is removed?
> 
> In short, yes.  Here's an explanation from when the code went in that goes into a bit more detail (in the first paragraph):
> 
>    http://openvswitch.org/pipermail/dev/2011-March/007319.html
> 
> --Justin
> 
>