netdev - Re: [PATCH v2 iproute2-next 0/6] cm_id, cq, mr, and pd resource tracking

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Message-ID: <dde7cc61-22af-b589-348f-e91c6657a289@gmail.com>
Date:   Tue, 13 Mar 2018 13:45:12 -0700
From:   David Ahern <dsahern@...il.com>
To:     Leon Romanovsky <leon@...nel.org>, stephen@...workplumber.org
Cc:     Steve Wise <swise@...ngridcomputing.com>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org
Subject: Re: [PATCH v2 iproute2-next 0/6] cm_id, cq, mr, and pd resource
 tracking

On 3/13/18 1:32 AM, Leon Romanovsky wrote:
> On Mon, Mar 12, 2018 at 10:53:03AM -0700, David Ahern wrote:
>> On 3/12/18 8:16 AM, Steve Wise wrote:
>>> Hey all,
>>>
>>> The kernel side of this series has been merged for rdma-next [1].  Let me
>>> know if this iproute2 series can be merged, of if it needs more changes.
>>>
>>
>> The problem is that iproute2 headers are synced to kernel headers from
>> DaveM's tree (net-next mainly). I take it this series will not appear in
>> Dave's tree until after a merge through Linus' tree. Correct?
> 
> David,
> 
> Technically, you are right, and we would like to ask you for an extra tweak
> to the flow for the RDMAtool, because current scheme causes delays at least
> cycle.
> 
> Every RDMAtool's patchset which requires changes to headers is always
> includes header patch, can you please accept those series and once you
> are bringing new net-next headers from Linus, simply overwrite all our
> headers?

I did not follow the discussion back when this decision was made, so how
did rdma tool end up in iproute2? I do not need the overhead of
sometimes I sync the rdma header file and sometimes I don't.

One option that comes to mind is to move the rdma header file under the
rdma directory. It breaks the uapi model, but it seems that iproute2 is
just a delivery vehicle for this command.