[PATCH 7/9] Add CRC checks to the AGI

[Bill O'Donnell]

On Fri, Sep 26, 2008 at 12:56:42AM +0200, Christoph Hellwig wrote:
| From: Dave Chinner <dgc at sgi.com>
| 
| [hch: minor adaptions]
| 

I suggest a more comprehensive header.
Code looks good otherwise.