Re: [PATCH 1/2] Make local_node ring0 address read-only

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Reviewed-by: Steven Dake <sdake@xxxxxxxxxx>

On 01/19/2012 06:14 AM, Jan Friesse wrote:
> Signed-off-by: Jan Friesse <jfriesse@xxxxxxxxxx>
> ---
>  exec/totemconfig.c |    9 +++++++++
>  1 files changed, 9 insertions(+), 0 deletions(-)
> 
> diff --git a/exec/totemconfig.c b/exec/totemconfig.c
> index c6df738..f56f035 100644
> --- a/exec/totemconfig.c
> +++ b/exec/totemconfig.c
> @@ -535,6 +535,15 @@ extern int totem_config_read (
>  
>  			snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.nodeid", local_node_pos);
>  			icmap_get_uint32(tmp_key, &totem_config->node_id);
> +
> +			/*
> +			 * Make localnode ring0_addr read only, so we can be sure that local
> +			 * node never changes. If rebinding to other IP would be in future
> +			 * supported, this must be changed and handled properly!
> +			 */
> +			snprintf(tmp_key, ICMAP_KEYNAME_MAXLEN, "nodelist.node.%u.ring0_addr", local_node_pos);
> +			icmap_set_ro_access(tmp_key, 0, 1);
> +			icmap_set_ro_access("nodelist.local_node_pos", 0, 1);
>  		}
>  
>  		put_nodelist_members_to_config(totem_config);

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