xfs: New code for 6.4 o Added detailed design documentation for the upcoming online repair feature o major update to online scrub to complete the reverse mapping cross-referencing infrastructure enabling us to fully validate allocated metadata against owner records. This is the last piece of scrub infrastructure needed before we can start merging online repair functionality. o Fixes for the ascii-ci hashing issues o deprecation of the ascii-ci functionality o on-disk format verification bug fixes o various random bug fixes for syzbot and other bug reports Signed-off-by: Dave Chinner <david@fromorbit.com>