xfs-documentation: realtime reverse-mapping support

This patch documents the realtime reverse mapping btree.
design: document the revisions to the realtime rmap formats

Update the realtime rmap ondisk format documentation, since it's changed
a bit since the introduction of the metadata directory tree.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
4 files changed
tree: 49343a12c6e5dfa8df1254408b331405e81346f7
  1. admin/
  2. design/
  3. .gitignore
  4. CHANGES
  5. COPYING
  6. Makefile
  7. README