On 2017-11-10 19:54, Alberto Garcia wrote:
> This test hotplugs a CD drive to a VM and checks that I/O limits can
> be set only when the drive has media inserted and that they are kept
> when the media is replaced.
> 
> This also tests the removal of a device with valid I/O limits set but
> no media inserted. This involves deleting and disabling the limits
> of a BlockBackend without BlockDriverState, a scenario that has been
> crashing until the fixes from the last couple of patches.
> 
> Signed-off-by: Alberto Garcia <berto@igalia.com>
> ---
>  tests/qemu-iotests/093     | 62 ++++++++++++++++++++++++++++++++++++++++++++++
>  tests/qemu-iotests/093.out |  4 +--
>  2 files changed, 64 insertions(+), 2 deletions(-)

By the way, I just noticed that this test tests that
x-blockdev-remove-medium and x-blockdev-insert-medium do not destroy
throttling information -- which is exactly why those commands had been
declared experimental in the first place.  So I guess this means we can
drop the x- now. :-)

Max