Merge branch 'md-next' of git://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-5.4/block

Pull MD fixes from Song.

* 'md-next' of git://git.kernel.org/pub/scm/linux/kernel/git/song/md:
  raid5 improve too many read errors msg by adding limits
  md: don't report active array_state until after revalidate_disk() completes.
  md: only call set_in_sync() when it is expected to succeed.