On 05/30/2014 02:37 AM, Peter Krempa wrote:
To allow changing the name that is recorded in the overlay of the TOP image used in a block commit operation, we need to specify the backing name to qemu. This is done via the "backing-file" attribute to the block-commit commad. --- src/qemu/qemu_driver.c | 1 + src/qemu/qemu_monitor.c | 9 ++++++--- src/qemu/qemu_monitor.h | 1 + src/qemu/qemu_monitor_json.c | 2 ++ src/qemu/qemu_monitor_json.h | 1 + tests/qemumonitorjsontest.c | 2 +- 6 files changed, 12 insertions(+), 4 deletions(-)
We need a capability in qemu_capabilities.[ch] first; that way we can give better error messages if qemu is too old to support use of this feature. ACK to this patch; it will be the caller qemu_driver that needs to pay attention to the capability. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org