Re: [PATCH 04/32] rbd: start enums at 1 instead of 0

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On 03/16/2018 07:37 AM, Alex Elder wrote:
> From: Ilya Dryomov <idryomov@xxxxxxxxx>
> 
> Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>

This is fine.  But please provide a little more context.  Why start them
at 1?  Why make read the first one in an obj_operation_type?

Reviewed-by: Alex Elder <elder@xxxxxxxxxx>

> ---
>  drivers/block/rbd.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
> index 4ca0a452d88e..883f17d6deeb 100644
> --- a/drivers/block/rbd.c
> +++ b/drivers/block/rbd.c
> @@ -217,12 +217,14 @@ struct rbd_obj_request;
>  typedef void (*rbd_obj_callback_t)(struct rbd_obj_request *);
>  
>  enum obj_request_type {
> -	OBJ_REQUEST_NODATA, OBJ_REQUEST_BIO, OBJ_REQUEST_PAGES
> +	OBJ_REQUEST_NODATA = 1,
> +	OBJ_REQUEST_BIO,
> +	OBJ_REQUEST_PAGES,
>  };
>  
>  enum obj_operation_type {
> +	OBJ_OP_READ = 1,
>  	OBJ_OP_WRITE,
> -	OBJ_OP_READ,
>  	OBJ_OP_DISCARD,
>  };
>  
> 

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