Merge tag 'metadir-6.13_2024-11-05' of https://git.kernel.org/pub/scm/linux/kernel...

xfs: enable metadir [v5.5 09/10]

Actually enable this very large feature, which adds metadata directory
trees, allocation groups on the realtime volume, persistent quota
options, and quota for realtime files.

With a bit of luck, this should all go splendidly.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>