I have posted revision-2 of 08-044r2: SBC-3 Set pseudo format (a.k.a., DIF Granularity) for discussion at the T10 CAP WG next week in Anchorage.
 
You can find the document at: http://www.t10.org/new.htm, or access it directly at http://www.t10.org/ftp/t10/document.08/08-044r2.pdf.
 
Regards,
 
Bob Sheffield
Engenio Storage Group
MegaRAID Architecture
LSI Logic Corporation