Re: [Qemu-devel] [PATCH v3 1/2] block/drive-mirror: Check for NULL backing_hd

2013-11-06 Thread Eric Blake
On 11/06/2013 11:50 AM, Max Reitz wrote: > It should be possible to execute the QMP "drive-mirror" command in > "none" sync mode and "absolute-paths" mode even for block devices > lacking a backing file. > > "absolute-paths" does in fact not require a backing file to be present, > as can be seen f

[Qemu-devel] [PATCH v3 1/2] block/drive-mirror: Check for NULL backing_hd

2013-11-06 Thread Max Reitz
It should be possible to execute the QMP "drive-mirror" command in "none" sync mode and "absolute-paths" mode even for block devices lacking a backing file. "absolute-paths" does in fact not require a backing file to be present, as can be seen from the "top" sync mode code path. "top" basically st