Re: [Qemu-devel] [PATCH v12 10/17] qmp: Add dirty bitmap status fields in query-block

[Max Reitz <mreitz@redhat.com>]

On 2015-02-09 at 20:35, John Snow wrote:
> Adds the "disabled" and "frozen" status booleans.
>
> Signed-off-by: Fam Zheng <famz@redhat.com>
> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
>   block.c              | 2 ++
>   qapi/block-core.json | 7 ++++++-
>   2 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/block.c b/block.c
> index ad33d96..3c0989c 100644
> --- a/block.c
> +++ b/block.c
> @@ -5564,6 +5564,8 @@ BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs)
>           info->granularity = bdrv_dirty_bitmap_granularity(bm);
>           info->has_name = !!bm->name;
>           info->name = g_strdup(bm->name);
> +        info->disabled = bm->disabled;

Hm, this is different than !bdrv_dirty_bitmap_enabled(), but I can 
understand the reasoning if the difference is intended.

Therefore, as long as it's intended:

Reviewed-by: Max Reitz <mreitz@redhat.com>

> +        info->frozen = bdrv_dirty_bitmap_frozen(bm);
>           entry->value = info;
>           *plist = entry;
>           plist = &entry->next;
> diff --git a/qapi/block-core.json b/qapi/block-core.json
> index 702b76a..c5d5563 100644
> --- a/qapi/block-core.json
> +++ b/qapi/block-core.json
> @@ -332,10 +332,15 @@
>   #
>   # @granularity: granularity of the dirty bitmap in bytes (since 1.4)
>   #
> +# @disabled: whether the dirty bitmap is disabled (Since 2.3)
> +#
> +# @frozen: whether the dirty bitmap is frozen (Since 2.3)
> +#
>   # Since: 1.3
>   ##
>   { 'type': 'BlockDirtyInfo',
> -  'data': {'*name': 'str', 'count': 'int', 'granularity': 'int'} }
> +  'data': {'*name': 'str', 'count': 'int', 'granularity': 'int',
> +           'disabled': 'bool', 'frozen': 'bool'} }
>   
>   ##
>   # @BlockInfo: