When default quota is set, all different quota types inherits the
same default value, include group quota. So if a user quota limit
larger than the default user quota value, it will still be limited
by the group default quota value.
An upstream patch for this bug:
xfs: Split default quota limits by quota type
Signed-off-by: Zorro Lang <zlang@redhat.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>