Re: [Qemu-devel] [PATCH COLO-Block v6 04/16] block: Parse "backing_reference" option to reference existing BDS

2015-06-18 Thread Wen Congyang
On 06/18/2015 06:50 PM, Stefan Hajnoczi wrote: > On Thu, Jun 18, 2015 at 04:49:09PM +0800, Wen Congyang wrote: >> Usage: >> -drive file=xxx,id=Y, \ >> -drive >> file=,id=X,backing_reference.drive_id=Y,backing_reference.hidden-disk.* >> >> It will create such backing chain: >>{v

Re: [Qemu-devel] [PATCH COLO-Block v6 04/16] block: Parse "backing_reference" option to reference existing BDS

2015-06-18 Thread Stefan Hajnoczi
On Thu, Jun 18, 2015 at 04:49:09PM +0800, Wen Congyang wrote: > Usage: > -drive file=xxx,id=Y, \ > -drive > file=,id=X,backing_reference.drive_id=Y,backing_reference.hidden-disk.* > > It will create such backing chain: >{virtio-blk dev 'Y'}

[Qemu-devel] [PATCH COLO-Block v6 04/16] block: Parse "backing_reference" option to reference existing BDS

2015-06-18 Thread Wen Congyang
Usage: -drive file=xxx,id=Y, \ -drive file=,id=X,backing_reference.drive_id=Y,backing_reference.hidden-disk.* It will create such backing chain: {virtio-blk dev 'Y'} {virtio-blk dev 'X'} |