Merge tag 'md-6.15-20250416' of https://git.kernel.org/pub/scm/linux/kernel/git/mdrai...

Merge tag 'md-6.15-20250416' of https://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux into block-6.15

Pull MD fixes from Yu:

"- fix raid10 missing discard IO accounting (Yu Kuai)
 - fix bitmap stats for bitmap file (Zheng Qixing)
 - fix oops while reading all member disks failed during check/repair
   (Meir Elisha)"

* tag 'md-6.15-20250416' of https://git.kernel.org/pub/scm/linux/kernel/git/mdraid/linux:
  md/raid1: Add check for missing source disk in process_checks()
  md/md-bitmap: fix stats collection for external bitmaps
  md/raid10: fix missing discard IO accounting