On 5 Apr 2016, at 15:15, Paolo Bonzini <pbonz...@redhat.com> wrote: > > On 04/04/2016 22:03, Alex Bligh wrote: >> So qemu-nbdserver has some idea of 'dirtiness', and you want >> to publish that, and the consumer is qemu (and only qemu), >> because only qemu knows what 'dirtiness' means in the >> sense the server provides it? > > The consumer is not QEMU; the consumer is backup software which is not > part of QEMU (and could even be proprietary, ugh).
I'm missing how the ugh-author can write the software without knowing exactly what the bit does. Or are you saying "that's a matter for the qemu spec, not the nbd spec"? -- Alex Bligh