Re: [Qemu-devel] [PATCH v3 00/38] block: generic copy-on-read

Please ignore v3. Things went horribly wrong and git selected many unrelated commits because I made a mistake :D. Stefan

[Qemu-devel] [PATCH v3 00/38] block: generic copy-on-read

The new -drive copy-on-read=on|off feature populates the image file with data from the backing file on read. This is useful when accessing images backed over a slow medium (e.g. http over internet). All read data will be stored in the local image file so it does not need to be fetched again in th