Re: [usb-storage] USB storage devices and SAT

[Matthew Dharm <mdharm-scsi@xxxxxxxxxxxxxxxxxx>]

On Mon, Aug 04, 2008 at 11:51:57AM -0400, Alan Stern wrote:
> I tend to agree with Matt that it would be best to have the higher
> layers tell usb-storage exactly how much sense data they want to get.
> The problem is that these higher layers would not know about the 
> 18-byte restriction on many earlier USB devices, so usb-storage would 
> probably end up needing to make its own dynamic decisions anyway.

Why not handle this like other fields in the struct scsi_device?  Let the
core initialize it with a value, then override it in the slave_configure()
routine via unusual_devs.h flag OR via userspace command to the SCSI core?

Matt

-- 
Matthew Dharm                              Home: mdharm-usb@xxxxxxxxxxxxxxxxxx 
Maintainer, Linux USB Mass Storage Driver

Sir, for the hundreth time, we do NOT carry 600-round boxes of belt-fed 
suction darts!
					-- Salesperson to Greg
User Friendly, 12/30/1997

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