Dan Smith wrote:
> This patch adds basic support for C/R of open INET sockets. I think that
> all the important bits of the TCP and ICSK socket structures is saved,
> but I think there is still some additional IPv6 stuff that needs to be
> handled.
>
> With this patch applied, the following script can be used to demonstrate
> the functionality:
>
>
> https://lists.linux-foundation.org/pipermail/containers/2009-October/021239.html
>
> It shows that this enables migration of a sendmail process with open
> connections from one machine to another without dropping.
>
> We still need comments from the netdev people about what sort of sanity
> checking we need to do on the values in the ckpt_hdr_socket_inet
> structure on restart.
>
> Note that this still doesn't address lingering sockets yet.
>
[...]
> diff --git a/include/linux/checkpoint_types.h
> b/include/linux/checkpoint_types.h
> index fa57cdc..91c141b 100644
> --- a/include/linux/checkpoint_types.h
> +++ b/include/linux/checkpoint_types.h
> @@ -65,6 +65,8 @@ struct ckpt_ctx {
> struct list_head pgarr_list; /* page array to dump VMA contents */
> struct list_head pgarr_pool; /* pool of empty page arrays chain */
>
> + struct list_head listen_sockets;/* listening parent sockets */
> +
Nit: maybe move under the comment "multi-process restart" ?
[...]
Otherwise (and pending comments from netdev people on sanity checks):
Acked-by: Oren Laadan <[email protected]>
_______________________________________________
Containers mailing list
[email protected]
https://lists.linux-foundation.org/mailman/listinfo/containers
_______________________________________________
Devel mailing list
[email protected]
https://openvz.org/mailman/listinfo/devel
