[PATCH] cmd/part.c: implement "part name" subcommand

[Quentin Schulz]

Hi Rasmus,

On 10/16/25 2:52 PM, Rasmus Villemoes wrote:
> This is a natural buddy to the existing "part number", allowing one to
> get the partition name for a given partition number.
> 

Can you update the documentation in doc/usage/cmd/part.rst as well?

> Signed-off-by: Rasmus Villemoes <ravi at prevas.dk>
> ---
>   cmd/part.c | 16 +++++++++++++++-
>   1 file changed, 15 insertions(+), 1 deletion(-)
> 
> diff --git a/cmd/part.c b/cmd/part.c
> index db7bc5819c0..975a0a08a99 100644
> --- a/cmd/part.c
> +++ b/cmd/part.c
> @@ -25,7 +25,8 @@
>   enum cmd_part_info {
>   	CMD_PART_INFO_START = 0,
>   	CMD_PART_INFO_SIZE,
> -	CMD_PART_INFO_NUMBER
> +	CMD_PART_INFO_NUMBER,
> +	CMD_PART_INFO_NAME,
>   };
>   
>   static int do_part_uuid(int argc, char *const argv[])
> @@ -154,6 +155,9 @@ static int do_part_info(int argc, char *const argv[], enum cmd_part_info param)
>   	case CMD_PART_INFO_NUMBER:
>   		snprintf(buf, sizeof(buf), "0x%x", part);
>   		break;
> +	case CMD_PART_INFO_NAME:
> +		snprintf(buf, sizeof(buf), "%s", info.name);

Is it possible info.name is never set by the fs/blk driver? Should we 
initialize this field?

Cheers,
Quentin