Re: [RFC PATCH 2/2] usb: storage: scsiglue: limit USB3 devices to 2048 sectors

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Hi,

Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> writes:
> On Thu, 5 Nov 2015, Felipe Balbi wrote:
>
>> Hi,
>> 
>> Oliver Neukum <oneukum@xxxxxxxx> writes:
>> > On Wed, 2015-11-04 at 16:26 -0500, Alan Stern wrote:
>> >> This doesn't need to be stored as one of the usb-storage flags.  And
>> >> since we are close to running out of flag bits (on 32-bit
>> >> architectures), it would be better not to use one of them for this.
>> >
>> > Do we want the opposite flag? 25% for known good devices
>> > is visible.
>> 
>> You mean for USB2 devices ? I was thinking about that last night and
>> wanted to "whitelist" at least our own mass storage gadget, provided
>> that it works just fine with anything you give it (so far).
>> 
>> Something like US_FL_NO_SECTOR_LIMIT ?
>
> There already is a whitelist flag for the Mass Storage gadget:  
> US_FL_CAPACITY_OK.  Right now its meaning is limited to the READ
> CAPACITY bug, but it could easily be repurposed since no other 
> whitelist entries use that flag.

cool, I'll have a look at try to make sure we increase sector limit to
2048 for that one as well :-)

-- 
balbi

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