Hi Jens, this series drops the obsolete bio mode from the null_blk driver and then converts the driver to pass the queue limits to blk_mq_alloc_disk. Changes since v2: - rebase on top of the blk_alloc_disk prototype change Changes since v1: - add an incremental from Damien to make sure the zoned tunable are properly taken into account Diffstat: main.c | 503 +++++++++++++++---------------------------------------------- null_blk.h | 19 -- trace.h | 5 zoned.c | 25 +-- 4 files changed, 139 insertions(+), 413 deletions(-)