On 23.01.2017 13:10, Vladimir Sementsov-Ogievskiy wrote:
> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
> ---
>  block/dirty-bitmap.c         |  5 +++++
>  blockdev.c                   | 29 +++++++++++++++++++++++++++++
>  include/block/dirty-bitmap.h |  2 ++
>  include/qemu/hbitmap.h       |  8 ++++++++
>  qapi/block-core.json         | 27 +++++++++++++++++++++++++++
>  tests/Makefile.include       |  2 +-
>  util/hbitmap.c               | 11 +++++++++++
>  7 files changed, 83 insertions(+), 1 deletion(-)

[...]

> diff --git a/qapi/block-core.json b/qapi/block-core.json
> index 2c0aa1f44d..956b69567d 100644
> --- a/qapi/block-core.json
> +++ b/qapi/block-core.json
> @@ -1289,6 +1289,33 @@
>    'data': 'BlockDirtyBitmap' }
>  
>  ##
> +# @BlockDirtyBitmapSha256:
> +#
> +# SHA256 hash of dirty bitmap data
> +#
> +# @sha256: ASCII representation of SHA256 bitmap hash
> +#
> +# Since: 2.9
> +##
> +  { 'struct': 'BlockDirtyBitmapSha256',
> +    'data': {'sha256': 'str'} }
> +
> +##
> +# @x-debug-block-dirty-bitmap-sha256:
> +#
> +# Get bitmap SHA256
> +#
> +# Returns: BlockDirtyBitmapSha256 on success
> +#          If @node is not a valid block device, DeviceNotFound
> +#          If @name is not found or if hashing is failed, GenericError with an

s/hashing is failed/hashing has failed/

With that fixed:

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

> +#          explanation
> +#
> +# Since: 2.9
> +##
> +  { 'command': 'x-debug-block-dirty-bitmap-sha256',
> +    'data': 'BlockDirtyBitmap', 'returns': 'BlockDirtyBitmapSha256' }