Merge branch 'for-5.8/block' into for-next

Merge branch 'for-5.8/block' into for-next

* for-5.8/block: (59 commits)
  hfs: stop using ioctl_by_bdev
  bdi: remove the name field in struct backing_dev_info
  bdi: simplify bdi_alloc
  bdi: remove bdi_register_owner
  bdi: unexport bdi_register_va
  driver core: remove device_create_vargs
  block: rename blk_mq_alloc_rq_maps
  block: rename __blk_mq_alloc_rq_map
  block: alloc map and request for new hardware queue
  block: save previous hardware queue count before udpate
  block: free both rq_map and request
  nvme: fix possible hang when ns scanning fails during error recovery
  nvme-pci: fix "slimmer CQ head update"
  bdi: add a ->dev_name field to struct backing_dev_info
  bdi: use bdi_dev_name() to get device name
  bdi: move bdi_dev_name out of line
  vboxsf: don't use the source name in the bdi name
  iocost: protect iocg->abs_vdebt with iocg->waitq.lock
  udf: stop using ioctl_by_bdev
  isofs: stop using ioctl_by_bdev
  ...