cvs commit: src/sys/cam/scsi scsi_da.c src/sys/dev/usb umass.c usbdevs

[Matthew Jacob]

>> 
>> You're suggesting that the umass and firewire SIMs universally instruct
>> CAM to not send a SYNC CACHE for all targets?  Easy, but I think it's
>> too big of a hammer.  I'd like to see the da driver get modified to
>> check the WCE state as has been suggested.
>
> I agree, I wasn't clear.  I meant that we should use the mode sense approach 
> instead of adding quirks all the time for something that's endemic to a 
> particular architecture.  But if that doesn't work, perhaps something 
> specific to USB and Firewire may be appropriate.

And how will you distinguish between "not currently enabled" and "not 
supported"?