Re: [PATCH] fix rename: xenstore not fully updated

[Ian Campbell <Ian.Campbell@citrix.com>]

On Mon, 2014-11-17 at 10:42 +0000, Ian Campbell wrote:
> On Mon, 2014-11-17 at 10:41 +0000, Wei Liu wrote:
> > On Mon, Nov 17, 2014 at 10:25:31AM +0000, Ian Campbell wrote:
> > > On Mon, 2014-11-17 at 09:52 +0000, Wei Liu wrote:
> > > > > +    /* update backend /local/domain/0/backend/<device>/<domid>/.../domain */
> > > > > +    be_dev = libxl__xs_directory(gc, trans, "/local/domain/0/backend", &ndevs);
> > > > 
> > > > The hard-coded 0 cannot work if you have driver domain.
> > > > 
> > > > At the very least it should be using LIBXL_TOOLSTACK_DOMID.
> > > 
> > > Does anyone know the purpose of this node, i.e. what consumes it?
> > > docs/misc/xenstore-paths.markdown doesn't mention it, neither do any of
> > > xen/include/public/io/*.h AFAICS.
> > > 
> > > The backend needing to know the name (as opposed to domid) of the
> > > frontend domain seems rather unusual to me.
> > > 
> > 
> > I think it's for consistency but Chunyan might have different opinions.
> 
> Consistency of what?

Dunno if this is relevant but I appear to have this node only for pci
and console backend directories, and not for vbd or vif.

I quick grep for domain\" in both linux/drivers/xen/xen-pciback and
xen/tools/console seems to suggest neither of them are reading it.

Ian