On 07/15/2011 02:14 AM, Daniel Veillard wrote:
On Thu, Jul 14, 2011 at 11:10:56AM -0600, Eric Blake wrote:
Commit 135554166 introduced a nice feature without documenting it.
* src/libvirt.c (virDomainMigrate2): Add paragraph.
---
src/libvirt.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/src/libvirt.c b/src/libvirt.c
index fc17f2b..13da214 100644
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -4297,6 +4297,15 @@ error:
* different processors even with the same architecture, or between
* different types of hypervisor.
*
+ * If the hypervisor supports it, @dxml can be used to alter
+ * host-specific portions of the domain XML that will be used on
+ * the destination. For example, it is possible to alter the
+ * backing filename that is associated with a disk device, in order
+ * to account for naming differences between source and destination
+ * in accessing the underlying storage. The migration will fail
+ * if @dxml would cause any guest-visible changes. Pass NULL
+ * if no changes are needed to the XML between source and destination.
+ *
* Returns the new domain object if the migration was successful,
* or NULL in case of error. Note that the new domain object
* exists in the scope of the destination connection (dconn).
Looks fine, ACK, but danpb should probably verify :-)
I went ahead and pushed this.
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Eric Blake eblake@xxxxxxxxxx +1-801-349-2682
Libvirt virtualization library http://libvirt.org
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