netdev - Re: [net-next sample action optimization v2 1/4] openvswitch: Deferred fifo API change.

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Date:   Thu, 16 Mar 2017 10:28:18 -0700
From:   Pravin Shelar <pshelar@....org>
To:     Andy Zhou <azhou@....org>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Joe Stringer <joe@....org>
Subject: Re: [net-next sample action optimization v2 1/4] openvswitch:
 Deferred fifo API change.

On Tue, Mar 14, 2017 at 4:08 PM, Andy Zhou <azhou@....org> wrote:
> add_deferred_actions() API currently requires actions to be passed in
> as a fully encoded netlink message. So far both 'sample' and 'recirc'
> actions happens to carry actions as fully encoded netlink messages.
> However, this requirement is more restrictive than necessary, future
> patch will need to pass in action lists that are not fully encoded
> by themselves.

It is not obvious why this change is required?
can you explain it.