[sheepdog] [PATCH 5/6] sheep: refactor vdi lookup, create, delete operation

[MORITA Kazutaka]

At Wed, 24 Apr 2013 12:49:30 +0800,
Liu Yuan wrote:
> 
> On 04/24/2013 11:44 AM, MORITA Kazutaka wrote:
> > The comment looks strange to me.  The current VDI must be the right
> > side, so we should break here for efficiency even if we don't support
> > vdi rollback.
> 
> Any suggestion for the comment?

If the right side is a snapshot vdi, it means that the current vdi is
deleted.  How about "Current vdi is deleted"?

> 
> By the way, current VDI isn't an obvious name to indicate it is top vdi
> we are currently running (When I firstly came across this name, I have
> no idea what it is) . Current working VDI or working VDI for short looks
> better, as we have 'working directory' concept, the 'working' is a more
> well received name for the currently working object compared to those
> objects not in the working(running) state.

VirtualBox uses 'Current State' for the latest disk image.  Anyway,
either is okay to me.

Thanks,

Kazutaka