[PATCH 05/48] xfsprogs: Support new AGFL format

[Ben Myers]

On Fri, Jun 07, 2013 at 10:25:28AM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> With the addition of CRCs to the filesystem format, the AGFL has a
> new format structure definition. Existing code that pulls freelist
> blocks out via dereferencing agfl->agfl_bno no longer works as the
> location of the free list is now variable depending on the disk
> format in use.
> 
> Hence all the users of agfl_bno need ot be converted to extract the
> location of the first free list entry from the AGFL and grab entries
> relative to that first entry. It's a simple change, but needs to be
> made in several places as there is very little code reuse within and
> between the different utilities in xfsprogs.

Looks fine.
Reviewed-by: Ben Myers <bpm at sgi.com>