a8b69b8e24
* qmp/queue/qmp: qapi: fix qmp_balloon() conversion qemu-iotests: add block-stream speed value test case block: add 'speed' optional parameter to block-stream block: change block-job-set-speed argument from 'value' to 'speed' block: use Error mechanism instead of -errno for block_job_set_speed() block: use Error mechanism instead of -errno for block_job_create()