Re: [Qemu-devel] [PATCH v3 10/10] vmdk: rename num_gtes_per_gte to num_gtes_per_gt

[Jeff Cody <jcody@redhat.com>]

On Tue, Aug 06, 2013 at 09:40:43AM +0800, Fam Zheng wrote:
> num_gtes_per_gte is a historical typo, rename it to a more sensible
> name. It means "number of GrainTableEntries per GrainTable".

Could you put this as a comment as well above/next to the declaration
of num_gtes_per_gt?  It is hard not to see 'gtes' and read 'gates',
but a comment would clear that up.

> 
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
>  block/vmdk.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/block/vmdk.c b/block/vmdk.c
> index 21610e3..cb34b9f 100644
> --- a/block/vmdk.c
> +++ b/block/vmdk.c
> @@ -71,7 +71,7 @@ typedef struct {
>      uint64_t granularity;
>      uint64_t desc_offset;
>      uint64_t desc_size;
> -    uint32_t num_gtes_per_gte;
> +    uint32_t num_gtes_per_gt;
>      uint64_t rgd_offset;
>      uint64_t gd_offset;
>      uint64_t grain_offset;
> @@ -585,12 +585,12 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
>          return -ENOTSUP;
>      }
>  
> -    if (le32_to_cpu(header.num_gtes_per_gte) > 512) {
> +    if (le32_to_cpu(header.num_gtes_per_gt) > 512) {
>          error_report("L2 table size too big");
>          return -EINVAL;
>      }
>  
> -    l1_entry_sectors = le32_to_cpu(header.num_gtes_per_gte)
> +    l1_entry_sectors = le32_to_cpu(header.num_gtes_per_gt)
>                          * le64_to_cpu(header.granularity);
>      if (l1_entry_sectors == 0) {
>          return -EINVAL;
> @@ -613,7 +613,7 @@ static int vmdk_open_vmdk4(BlockDriverState *bs,
>                            le64_to_cpu(header.gd_offset) << 9,
>                            l1_backup_offset,
>                            l1_size,
> -                          le32_to_cpu(header.num_gtes_per_gte),
> +                          le32_to_cpu(header.num_gtes_per_gt),
>                            le64_to_cpu(header.granularity),
>                            &extent);
>      if (ret < 0) {
> @@ -1409,12 +1409,12 @@ static int vmdk_create_extent(const char *filename, int64_t filesize,
>      header.compressAlgorithm = compress ? VMDK4_COMPRESSION_DEFLATE : 0;
>      header.capacity = filesize / 512;
>      header.granularity = 128;
> -    header.num_gtes_per_gte = 512;
> +    header.num_gtes_per_gt = 512;
>  
>      grains = (filesize / 512 + header.granularity - 1) / header.granularity;
> -    gt_size = ((header.num_gtes_per_gte * sizeof(uint32_t)) + 511) >> 9;
> +    gt_size = ((header.num_gtes_per_gt * sizeof(uint32_t)) + 511) >> 9;
>      gt_count =
> -        (grains + header.num_gtes_per_gte - 1) / header.num_gtes_per_gte;
> +        (grains + header.num_gtes_per_gt - 1) / header.num_gtes_per_gt;
>      gd_size = (gt_count * sizeof(uint32_t) + 511) >> 9;
>  
>      header.desc_offset = 1;
> @@ -1430,7 +1430,7 @@ static int vmdk_create_extent(const char *filename, int64_t filesize,
>      header.flags = cpu_to_le32(header.flags);
>      header.capacity = cpu_to_le64(header.capacity);
>      header.granularity = cpu_to_le64(header.granularity);
> -    header.num_gtes_per_gte = cpu_to_le32(header.num_gtes_per_gte);
> +    header.num_gtes_per_gt = cpu_to_le32(header.num_gtes_per_gt);
>      header.desc_offset = cpu_to_le64(header.desc_offset);
>      header.desc_size = cpu_to_le64(header.desc_size);
>      header.rgd_offset = cpu_to_le64(header.rgd_offset);
> -- 
> 1.8.3.4
>