On Tue, May 20, 2014 at 01:03:08PM +0200, Hannes Reinecke wrote:
> Sequential scan for more than 256 LUNs is very fragile as
> LUNs might not be numbered sequentially after that point.
> 
> SAM revisions later than SCSI-3 impose a structure on
> LUNs larger than 256, making LUN numbers between 256
> and 16384 illegal.
> SCSI-3, however allows for plain 64-bit numbers with
> no internal structure.
> 
> So restrict sequential LUN scan to 256 LUNs and add a
> new blacklist flag 'BLIST_SCSI3LUN' to scan up to
> max_lun devices.

Looks good,

Reviewed-by: Christoph Hellwig <h...@lst.de>

Do you know any common devices reporting SCSI-2?  I've only really seen 
SCSI-2 and never SBC levels in practical use.
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