On 05/16/2013 02:36 AM, Stefan Hajnoczi wrote: > @drive-backup > > Start a point-in-time copy of a block device to a new destination. The > status of ongoing drive-backup operations can be checked with > query-block-jobs where the BlockJobInfo.type field has the value 'backup'. > The operation can be stopped before it has completed using the > block-job-cancel command. > > @device: the name of the device whose writes should be mirrored. > > @target: the target of the new image. If the file exists, or if it > is a device, the existing file/device will be used as the new > destination. If it does not exist, a new file will be created. > > @format: #optional the format of the new destination, default is to > probe if @mode is 'existing', else the format of the source > > @mode: #optional whether and how QEMU should create a new image, default is > 'absolute-paths'. > > @speed: #optional the maximum speed, in bytes per second > > Returns: nothing on success > If @device is not a valid block device, DeviceNotFound > > Since 1.6 > > Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com> > --- > blockdev.c | 92 > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > qapi-schema.json | 32 ++++++++++++++++++++ > qmp-commands.hx | 37 +++++++++++++++++++++++ > 3 files changed, 161 insertions(+)
Reviewed-by: Eric Blake <ebl...@redhat.com> -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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