Re: [PATCH v3 3/2] qemu-img: Reword 'qemu-img map --output=json' docs

[Nir Soffer <nsoffer@redhat.com>]

On Wed, Jul 7, 2021 at 9:41 PM Eric Blake <eblake@redhat.com> wrote:
>
> Reword the paragraphs to list the JSON key first, rather than in the
> middle of prose.
>
> Suggested-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> Signed-off-by: Eric Blake <eblake@redhat.com>
> ---
>  docs/tools/qemu-img.rst | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/docs/tools/qemu-img.rst b/docs/tools/qemu-img.rst
> index d6300f7ee03d..1d8470eada0e 100644
> --- a/docs/tools/qemu-img.rst
> +++ b/docs/tools/qemu-img.rst
> @@ -593,16 +593,16 @@ Command description:
>    the ``start``, ``length``, ``offset`` fields;
>    it will also include other more specific information:
>
> -  - whether the sectors contain actual data or not (boolean field ``data``;
> -    if false, the sectors are either unallocated or stored as optimized
> -    all-zero clusters);
> -  - whether the data is known to read as zero (boolean field ``zero``);
> -  - whether the data is actually present (boolean field ``present``);
> -    if false, rebasing the backing chain onto a deeper file would pick
> -    up data from the deeper file;
> -  - in order to make the output shorter, the target file is expressed as
> -    a ``depth``; for example, a depth of 2 refers to the backing file
> -    of the backing file of *FILENAME*.
> +  - boolean field ``data``: true if the sectors contain actual data,
> +    false if the sectors are either unallocated or stored as optimized
> +    all-zero clusters
> +  - boolean field ``zero``: true if the data is known to read as zero
> +  - boolean field ``present``: true if the data belongs to the backing
> +    chain, false if rebasing the backing chain onto a deeper file
> +    would pick up data from the deeper file;
> +  - integer field ``depth``: the depth within the backing chain at
> +    which the data was resolved; for example, a depth of 2 refers to
> +    the backing file of the backing file of *FILENAME*.
>
>    In JSON format, the ``offset`` field is optional; it is absent in
>    cases where ``human`` format would omit the entry or exit with an error.
> --
> 2.31.1

Would be nice if this could be generated from the json schema instead
of repeating the type and description of the fields, but this is a nice
improvement.

Reviewed-by: Nir Soffer <nsoffer@redhat.com>