Re: [PATCH v13 2/6] block: widen BlockLimits.zone_size to uint64_t

[Niklas Cassel <cassel@kernel.org>]

On Fri, Jun 26, 2026 at 03:15:51PM +0200, Sam Li wrote:
> The zone-size field in BlockLimits is currently uint32_t, capping
> expressible zone sizes at 4 GiB. Real zoned-device protocols
> like NVMe ZNS allow larger zones. Widen BlockLimits.zone_size to
> uint64_t to match.
> 
> Signed-off-by: Sam Li <faithilikerun@gmail.com>
> ---
>  block/file-posix.c               | 2 +-
>  include/block/block_int-common.h | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/block/file-posix.c b/block/file-posix.c
> index 3c985da94f..ddb159c58b 100644
> --- a/block/file-posix.c
> +++ b/block/file-posix.c
> @@ -3600,7 +3600,7 @@ raw_co_zone_append(BlockDriverState *bs,
>  
>      if (*offset & zone_size_mask) {
>          error_report("sector offset %" PRId64 " is not aligned to zone size "
> -                     "%" PRId32 "", *offset / 512, bs->bl.zone_size / 512);
> +                     "%" PRId64 "", *offset / 512, bs->bl.zone_size / 512);
>          return -EINVAL;
>      }
>  
> diff --git a/include/block/block_int-common.h b/include/block/block_int-common.h
> index 147c08155f..7571ed9968 100644
> --- a/include/block/block_int-common.h
> +++ b/include/block/block_int-common.h
> @@ -901,7 +901,7 @@ typedef struct BlockLimits {
>      BlockZoneModel zoned;
>  
>      /* zone size expressed in bytes */
> -    uint32_t zone_size;
> +    uint64_t zone_size;
>  
>      /* total number of zones */
>      uint32_t nr_zones;
> -- 
> 2.53.0
> 

Reviewed-by: Niklas Cassel <cassel@kernel.org>