On Wed, 3 Oct 2007, Alan Cox wrote:

quoted text
> > scsi_host_alloc creates a host structure with max_cmd_len set to 12.
> > 
> > To allow USB Storage to accept 16-byte CDBs, the following will need to
> > be added:
> > 
> >          host->max_cmd_len = 16;  /* or some symbol */
> > 
> > That should allow for USB storage devices larger than 2TiB.
> 
> The question is whether USB storage as a specification permits this, and
> what other hardware does if this happens.

The specification does allow it.  I don't see any reason why that can't 
be added.  Richard, would you like to submit a patch?

Alan Stern


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