On 05/04/2016 17:01, 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"?
Yes, that's it. NBD defines a safe default and a general idea of what it should be used for. Paolo
