[Devel] [PATCH net-next 0/3] [RFC] netlink: prepare to dump and restore data from a receive queue

[Cyrill Gorcunov]

On Wed, Jun 15, 2016 at 12:09:18AM -0700, Andrey Vagin wrote:
> CRIU can dump queued data for unix and tcp sockets,
> now it's time for netlink sockets.
> 
> Here are there questions.
> * How to dump data from a receive queue
>   We can set peeking offset like we do for unix sockets.
> 
> * How to restore data back to a receive queue
>   I suggest to add a repair mode like we do for tcp sockets.
> 
> * When we can dump data from a receive queue.
>   I think we can do this only if a socket doesn't have a running callback.
> 
> Andrey Vagin (3):
>   netlink: allow to set peeking offset for sockets
>   netlink: add an ability to restore messages in a receive queue
>   netlink/diag: report flags for netlink sockets

Reviewed-by: Cyrill Gorcunov <gorcunov at openvz.org>

I think we might need to introduce mutex for this
sockets on top, or at least for our case simply
allow to repair mode under pseudosuper for now?