Hello Jens, This patch series not only enables runtime power management for blk-mq but also simplifies power management for the legacy block layer. Please consider this patch series for kernel v4.19 (I am aware that you are on vacation). Thanks, Bart. Bart Van Assche (3): block: Fix a comment in a header file block, scsi: Rework runtime power management blk-mq: Enable support for runtime power management block/blk-core.c | 60 ++++++++++++++++----------------------- block/blk-mq-debugfs.c | 1 - block/blk-mq.c | 12 ++++---- block/elevator.c | 11 +------ drivers/scsi/sd.c | 4 +-- drivers/scsi/ufs/ufshcd.c | 10 +++---- include/linux/blk-mq.h | 1 + include/linux/blkdev.h | 9 ++---- 8 files changed, 42 insertions(+), 66 deletions(-) -- 2.18.0