Merge branch 'for-5.10/block' into for-5.10/drivers

* for-5.10/block: (140 commits)
  bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag
  bdi: invert BDI_CAP_NO_ACCT_WB
  bdi: replace BDI_CAP_STABLE_WRITES with a queue and a sb flag
  mm: use SWP_SYNCHRONOUS_IO more intelligently
  bdi: remove BDI_CAP_SYNCHRONOUS_IO
  bdi: remove BDI_CAP_CGROUP_WRITEBACK
  block: lift setting the readahead size into the block layer
  md: update the optimal I/O size on reshape
  bdi: initialize ->ra_pages and ->io_pages in bdi_init
  aoe: set an optimal I/O size
  bcache: inherit the optimal I/O size
  drbd: remove dead code in device_to_statistics
  fs: remove the unused SB_I_MULTIROOT flag
  block: mark blkdev_get static
  PM: mm: cleanup swsusp_swap_check
  mm: split swap_type_of
  PM: rewrite is_hibernate_resume_dev to not require an inode
  mm: cleanup claim_swapfile
  ocfs2: cleanup o2hb_region_dev_store
  dasd: cleanup dasd_scan_partitions
  ...

diff --cc block/bfq-iosched.c
Simple merge

diff --cc block/blk-mq-sched.h
Simple merge

diff --cc block/partitions/core.c
Simple merge

diff --cc drivers/block/rbd.c
Simple merge

diff --cc drivers/md/dm-table.c
Simple merge

diff --cc drivers/md/dm.c
Simple merge

diff --cc drivers/nvme/host/core.c
Simple merge

diff --cc drivers/nvme/host/nvme.h
Simple merge

diff --cc fs/btrfs/disk-io.c
Simple merge

diff --cc fs/fs-writeback.c
Simple merge

diff --cc fs/vboxsf/super.c
Simple merge

diff --cc mm/filemap.c
Simple merge

diff --cc mm/memcontrol.c
Simple merge

diff --cc mm/migrate.c
Simple merge