Hi Jens, These three patches are what I came up with while reading block layer code in preparation of the patch series for improving zoned write performance. Please consider this patch series for kernel v5.20. Thanks, Bart. Changes compared to v1: - Modified patch 3/3 as suggested by Ming Lei. Bart Van Assche (3): blk-iocost: Simplify ioc_rqos_done() block: Rename a blk_mq_map_queue() argument block: Improve blk_mq_get_sq_hctx() block/blk-iocost.c | 2 +- block/blk-mq.c | 2 +- block/blk-mq.h | 12 ++++++------ 3 files changed, 8 insertions(+), 8 deletions(-)