You got it, that's exactly what I mean.Thank you for your advise. 2017-01-04 0:53 GMT+08:00 Eric Blake <ebl...@redhat.com>:
> On 12/29/2016 08:41 PM, Junkang Fu wrote: > >>From 74e913fc41ea98d1dde692175f1e3fb6729342aa Mon Sep 17 00:00:00 2001 > > From: "junkang.fjk" <junkang....@alibaba-inc.com> > > Date: Wed, 24 Aug 2016 19:36:53 +0800 > > Subject: [PATCH] virtio-blk: add disk-name device property > > > > Current virtio-blk disk name(ex. /dev/vdb) has nothing to do with the > > target dev > > name specified in libvirt xml file. For example, we may get disk name > > /dev/vdb in > > VM while target dev specified in libvirt xml is vdc. > > It's not really libvirt's fault. The libvirt XML names are for > convenience, but nothing on the host side requires the guest to pick the > same naming scheme as the host. > > I guess your proposal is to enhance the virtio spec such that clients > that are new enough to honor the new addition to the virtio spec will > change their name-picking algorithm to use the name provided by the > host, rather than their current approach of picking whatever name they > feel like, and then enhance libvirt to pass the XML name on down to the > guest? It might work, but as others have pointed out, it will require a > virtio spec change first. > > -- > Eric Blake eblake redhat com +1-919-301-3266 > Libvirt virtualization library http://libvirt.org > >
