xfs: add metadata CRC documentation
authorDave Chinner <david@fromorbit.com>
Tue, 9 Apr 2013 06:49:58 +0000 (16:49 +1000)
committerBen Myers <bpm@sgi.com>
Sat, 27 Apr 2013 18:27:43 +0000 (13:27 -0500)
Add some documentation about the self describing metadata and the
code templates used to implement it.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

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