Re: [Qemu-devel] [Qemu-block] Dynamic reconfiguration

[Markus Armbruster]

Wen Congyang <address@hidden> writes:

> On 10/21/2015 04:27 PM, Markus Armbruster wrote:
[...]
>> Can we phrase the operation differently?  Instead of "insert between A
>> and B (silently replacing everything that is now between A and B)",
>> say one of
>> 
>> 1a. Replace node A by A <- blkdebug
>> 
>> 1b. Replace node B by blkdebug <- B
>> 
>> 2a. Replace edge A <- B by <- blkdebug <-
>>     Impossible in the current state, because there is no such edge.
>
> What does 'edge' mean?

It's graph terminology: the BB and BDS serve as the graph's nodes
(a.k.a. vertices), and the pointers connecting them serve as the graph's
edges.

[...]