Re: Device flags: use_10_for_rw and use_10_for_ms

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On Wed, Nov 30 2005, James Bottomley wrote:
> On Wed, 2005-11-30 at 09:08 +0100, Jens Axboe wrote:
> > Oh well, so much for expecting than even the most basic SCSI behaviour
> > is always implemented correctly. A device must only return
> > 0x05/0x20/0x00 for an illegal opcode. It's a little suspicious I'd say,
> > are you sure it isn't something else affecting this? Even though there
> > are crappy devices out there, this seems a little too odd to me.
> 
> And anyway, just because it doesn't actually work in the failing case
> doesn't mean this isn't a good patch ... it's certainly unsafe to switch
> back to 6 byte commands without checking for the correct illegal opcode
> sense, so we should put it in anyway.

Yup, I think so too.

-- 
Jens Axboe

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