Re: [PATCH 2/4] Move RedCacheItem size field inside cache_data union

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OK. But this is a pretty odd struct...

Acked-by: Jonathon Jongsma <jjongsma@xxxxxxxxxx>



On Tue, 2016-05-24 at 15:55 +0100, Frediano Ziglio wrote:
> This reduce a bit the structure size and make clean that
> the field is used only when the item is a cache item.
> 
> Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
> ---
>  server/cache-item.h      | 2 +-
>  server/cache-item.tmpl.c | 4 ++--
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/server/cache-item.h b/server/cache-item.h
> index 864b163..af0fc9e 100644
> --- a/server/cache-item.h
> +++ b/server/cache-item.h
> @@ -30,10 +30,10 @@ struct RedCacheItem {
>          struct {
>              RingItem lru_link;
>              RedCacheItem *next;
> +            size_t size;
>          } cache_data;
>      } u;
>      uint64_t id;
> -    size_t size;
>  };
>  
>  #endif /* CACHE_ITEM_H_ */
> diff --git a/server/cache-item.tmpl.c b/server/cache-item.tmpl.c
> index 2cf12d8..9a9181c 100644
> --- a/server/cache-item.tmpl.c
> +++ b/server/cache-item.tmpl.c
> @@ -77,7 +77,7 @@ static void FUNC_NAME(remove)(CHANNELCLIENT *channel_client,
> RedCacheItem *item)
>      }
>      ring_remove(&item->u.cache_data.lru_link);
>      channel_client->VAR_NAME(items)--;
> -    channel_client->VAR_NAME(available) += item->size;
> +    channel_client->VAR_NAME(available) += item->u.cache_data.size;
>  
>      red_pipe_item_init(&item->u.pipe_data, RED_PIPE_ITEM_TYPE_INVAL_ONE);
>      red_channel_client_pipe_add_tail_and_push(&channel_client->common.base,
> &item->u.pipe_data); // for now
> @@ -107,7 +107,7 @@ static int FUNC_NAME(add)(CHANNELCLIENT *channel_client,
> uint64_t id, size_t siz
>      ring_item_init(&item->u.cache_data.lru_link);
>      ring_add(&channel_client->VAR_NAME(lru), &item->u.cache_data.lru_link);
>      item->id = id;
> -    item->size = size;
> +    item->u.cache_data.size = size;
>      return TRUE;
>  }
>  
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