Merge tag 'block-5.16-2021-12-17' of git://git.kernel.dk/linux-block

Merge tag 'block-5.16-2021-12-17' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - Fix for hammering on the delayed run queue timer (me)

 - bcache regression fix for this merge window (Lin)

 - Fix a divide-by-zero in the blk-iocost code (Tejun)

* tag 'block-5.16-2021-12-17' of git://git.kernel.dk/linux-block:
  bcache: fix NULL pointer reference in cached_dev_detach_finish
  block: reduce kblockd_mod_delayed_work_on() CPU consumption
  iocost: Fix divide-by-zero on donation from low hweight cgroup