Re: [libvirt] [PATCH v3 10/18] blockcopy: allow block device destination

On 08/31/14 06:02, Eric Blake wrote: > To date, anyone performing a block copy and pivot ends up with > the destination being treated as <disk type='file'>. While this > works for data access for a block device, it has at least one > noticeable shortcoming: virDomainGetBlockInfo() reports allocation > differently for block devices visited as files (the size of the > device) than for block devices visited as <disk type='block'> > (the maximum sector used, as reported by qemu); and this difference > is significant when trying to manage qcow2 format on block devices > that can be grown as needed. >

> ACK