Merge branch 'md-next' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md...

Merge branch 'md-next' of https://git./linux/kernel/git/song/md into for-5.20/drivers-post

Pull MD fixes from Song:

"1. Fix md disk_name lifetime problems, by Christoph Hellwig;
 2. Convert prepare_to_wait() to wait_woken() api, by Logan Gunthorpe;
 3. Fix sectors_to_do bitmap issue, by Logan Gunthorpe."

* 'md-next' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
  raid5: fix duplicate checks for rdev->saved_raid_disk
  md: simplify md_open
  md: only delete entries from all_mddevs when the disk is freed
  md: stop using for_each_mddev in md_exit
  md: stop using for_each_mddev in md_notify_reboot
  md: stop using for_each_mddev in md_do_sync
  md: factor out the rdev overlaps check from rdev_size_store
  md: rename md_free to md_kobj_release
  md: implement ->free_disk
  md: fix error handling in md_alloc
  md: fix mddev->kobj lifetime
  md/raid5: Convert prepare_to_wait() to wait_woken() api
  md/raid5: Fix sectors_to_do bitmap overflow in raid5_make_request()