Hi Jens, we have a lot of bdi congestion related code that is left around without any use. This series removes it in preparation of sorting out the bdi lifetime rules properly. Diffstat: block/blk-cgroup.c | 19 ---- drivers/block/drbd/drbd_main.c | 59 -------------- drivers/block/drbd/drbd_proc.c | 1 drivers/md/bcache/request.c | 43 ---------- drivers/md/bcache/super.c | 1 drivers/md/dm-cache-target.c | 19 ---- drivers/md/dm-clone-target.c | 15 --- drivers/md/dm-era-target.c | 15 --- drivers/md/dm-raid.c | 12 -- drivers/md/dm-table.c | 37 --------- drivers/md/dm-thin.c | 16 --- drivers/md/dm.c | 33 -------- drivers/md/dm.h | 1 drivers/md/md-linear.c | 24 ----- drivers/md/md-multipath.c | 23 ----- drivers/md/md.c | 23 ----- drivers/md/md.h | 4 drivers/md/raid0.c | 16 --- drivers/md/raid1.c | 31 ------- drivers/md/raid10.c | 26 ------ drivers/md/raid5.c | 25 ------ fs/btrfs/disk-io.c | 23 ----- include/linux/backing-dev-defs.h | 43 ---------- include/linux/backing-dev.h | 22 ----- include/linux/blk-cgroup.h | 6 - include/linux/device-mapper.h | 11 -- mm/backing-dev.c | 157 +++------------------------------------ 27 files changed, 20 insertions(+), 685 deletions(-)