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Date:   Wed, 29 Apr 2020 09:39:23 -0700
From:   Jakub Kicinski <>
To:     "Keller, Jacob E" <>
Cc:     Jiri Pirko <>,
        "" <>,
        "" <>,
        "" <>
Subject: Re: [PATCH net-next] devlink: let kernel allocate region snapshot

On Wed, 29 Apr 2020 15:34:30 +0000 Keller, Jacob E wrote:
> > How the output is going to looks like it this or any of the follow-up
> > calls in this function are going to fail?
> > 
> > I guess it is going to be handled gracefully in the userspace app,
> > right?
> I'm wondering what the issue is with just waiting to send the
> snapshot id back until after this succeeds. Is it just easier to keep
> it near the allocation?

I just wasn't happy with the fact that the response send may fail.
So it just seems like better protocol from the start to expect user
space to pay attention to the error code at the end, before it takes
action on the response.

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