Re: [PATCH v7 08/14] nvmet-core: allow one host per passthru-ctrl

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On 2019-08-15 6:36 a.m., Max Gurtovoy wrote:
> 
> On 8/2/2019 2:45 AM, Logan Gunthorpe wrote:
>> This patch rejects any new connection to the passthru-ctrl if this
>> controller is already connected to a different host. At the time of
>> allocating the controller we check if the subsys associated with
>> the passthru ctrl is already connected to a host and reject it
>> if the hostnqn differs.
> 
> This is a big limitation.
> 
> Are we plan to enable many front-end ctrl's to connect to the single
> back-end ctrl in the future ?

Honestly, I don't know that it's really necessary, but the limitation
was requested by Sagi the first time this patch-set was submitted[1]
citing unspecified user troubles. If there's consensus to remove the
restriction I certainly can.

Logan

[1] http://lists.infradead.org/pipermail/linux-nvme/2018-April/016588.html




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