tree 6744c39277ab55efacd9543e573fe853c07b9812
parent dd67fa5052fecf661369540d5f104720f57900a4
author Benoît Canet <benoit.canet@irqsave.net> 1392221707 +0100
committer Stefan Hajnoczi <stefanha@redhat.com> 1392397539 +0100

block: Open by reference will try device then node_name.

Since we introduced node_name for named bs of the graph modify the opening by
reference to use it as a fallback.

This patch also enforce the separation of the device id and graph node
namespaces.

Signed-off-by: Benoit Canet <benoit@irqsave.net>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>