Re: [PATCH/RFC v3] allow userspace to modify scsi command filter on per device basis

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2008/6/18 Peter Jones <pjones@xxxxxxxxxx>:
> Douglas Gilbert wrote:
>>
>> Peter Jones wrote:
>>>
>>> FUJITA Tomonori wrote:
>>>
>>>> Well, this changes sg behaviour since sg's allow_ops filter has a
>>>> access permission different from blk_verify_command filter's.
>>>
>>>  >
>>>>
>>>> I guess that the first thing you need to do is that figuring out a
>>>> proper access permission for each command, which sg maintainer, etc
>>>> can agree. It's pretty hard and that's the reason why this patch has
>>>> not been merged for years, I think.
>>>
>>> I don't think this logic is sound.
>>
>> That depends on your viewpoint.
>
> My viewpoint is this:
>
> 1) Whether you agree with his reasons or not, Linus made it pretty clear
> that he's against removing the command filter (see
> http://marc.info/?l=linux-scsi&m=115419945212450&w=2 )
> 2) Having different code paths use different filtering code just adds more
> confusion.
> 3) If we're going to have filtering, it should be configurable on a
> per-device basis from userland.
>
> Which of these do you disagree with?
>
> [...]
>>
>> Are per device command filters being proposed?
>
> Yes, that's what the patch implements.  And it allows the userland to
> configure them according to the needs of the hardware.

Jens can we add merge this for .27 or does anyone still has objections?
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