[libvirt] [PATCH 8/8] latency: Update cmdBlkStats to use new API

[Daniel Veillard]

On Fri, Sep 02, 2011 at 08:08:58AM -0600, Eric Blake wrote:
> On 09/02/2011 05:34 AM, Daniel Veillard wrote:
> >On Fri, Sep 02, 2011 at 07:23:38PM +0800, Osier Yang wrote:
> >>于 2011年09月02日 18:21, Daniel Veillard 写道:
> >   Well I would not modify cmdDomblkstat and instead create a new command
> >and a new function for the new API
> >
> >>And per the new API has some same fields with old API, and seems
> >>all of virsh commands try to fallback to old API if new API is introduced.
> >
> >  yes but the new API will provide informations in a different order
> >and is potentially more expensive, so I'm not sure I really want to use
> >the new API for the old command
> >  Maybe something like "domblkfullstat"...
> >
> >  But if someone else disagrees with me I'm fine being in the minority :-)
> 
> Personally, I'd like to keep a single virsh command for both APIs,
> just like 'virsh migrate' handles both virDomainMigrate and
> virDomainMigrate2.  I don't know if it's better to default to the
> old or the new API, but it is easy enough to provide a flag that
> swaps the default to call the alternate API.

  Okay, I surrender, I don't have a strong opinion for the virsh command
option :-)

Daniel

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