Hi Jens, this series is a take on the elevator refcount fixes from Jinlong. I've added a cleanup patch, and one that improves on one of the incidental fixes he did, as well as splitting the main patch into two and improving some comments. Diffstat: blk-mq-sched.c | 1 + blk-mq.c | 13 ++++--------- elevator.c | 43 +++++++++++++++++++------------------------ elevator.h | 15 +++++++++++++++ 4 files changed, 39 insertions(+), 33 deletions(-)