Eric Blake <ebl...@redhat.com> writes: > On 08/27/2014 12:22 AM, Fam Zheng wrote: >> This is an analogue to Linux null_blk. It can be used for testing block >> device emulation and general block layer functionalities such as >> coroutines and throttling, where disk IO is not necessary or wanted. >> >> Signed-off-by: Fam Zheng <f...@redhat.com> >> --- >> block/Makefile.objs | 1 + >> block/null.c | 172 >> ++++++++++++++++++++++++++++++++++++++++++++++++++++ >> 2 files changed, 173 insertions(+) >> create mode 100644 block/null.c > > Worth also adding it to BlockdevOptions in qapi/block-core.json to allow > hotplug of this driver? (Not that libvirt will ever hotplug one, but I > really want to move towards being feature-complete on letting QMP drive > all block types)
I'd support a policy of "no new block drivers outside QAPI".