Re: [PATCH 00/24] InfiniBand Transport (IBTRS) and Network Block Device (IBNBD)

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On Mon, Feb 5, 2018 at 5:16 PM, Bart Van Assche <Bart.VanAssche@xxxxxxx> wrote:
> On Mon, 2018-02-05 at 09:56 +0100, Jinpu Wang wrote:
>> Hi Bart,
>>
>> My another 2 cents:)
>> On Fri, Feb 2, 2018 at 6:05 PM, Bart Van Assche <Bart.VanAssche@xxxxxxx> wrote:
>> > On Fri, 2018-02-02 at 15:08 +0100, Roman Pen wrote:
>> > > o Simple configuration of IBNBD:
>> > >    - Server side is completely passive: volumes do not need to be
>> > >      explicitly exported.
>> >
>> > That sounds like a security hole? I think the ability to configure whether or
>> > not an initiator is allowed to log in is essential and also which volumes an
>> > initiator has access to.
>>
>> Our design target for well controlled production environment, so security is
>> handle in other layer. On server side, admin can set the dev_search_path in
>> module parameter to set parent directory, this will concatenate with the path
>> client send in open message to open a block device.
>
> Hello Jack,
>
> That approach may work well for your employer but sorry I don't think this is
> sufficient for an upstream driver. I think that most users who configure a
> network storage target expect full control over which storage devices are exported
> and also over which clients do have and do not have access.
>
> Bart.
Hello Bart,

I agree for general purpose, it may be good to have better access control.

Thanks,
-- 
Jack Wang
Linux Kernel Developer
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