qapi/block-core.json | 24 +++++++++++++++------ blockdev.c | 32 ++++++++++++++++++++++++++-- tests/qemu-iotests/040 | 52 ++++++++++++++++++++++++++++++++++++++++++++-- tests/qemu-iotests/040.out | 4 ++-- 4 files changed, 100 insertions(+), 12 deletions(-)