Summary:
- xfs_repair: notify user if free inodes are corrupt
- xfs_repair: use extent size validation helpers
- xfs_quota: don't stop the directory tree walk at DEPTH
- xfs_scrub: ongoing updates
- xfs_io: document shutdown -f
- xfs_io: wire up online repair ioctls
- misc: remove unused macros
- misc: remove many XFS_BUF macros
- misc: convert to SPDX license tags