On 05.07.19 22:16, John Snow wrote:
> We don't need or want a new sync mode for simple differences in
> semantics.  Create a new mode simply named "BITMAP" that is designed to
> make use of the new Bitmap Sync Mode field.
> 
> Because the only bitmap sync mode is 'on-success', this adds no new
> functionality to the backup job (yet). The old incremental backup mode
> is maintained as a syntactic sugar for sync=bitmap, mode=on-success.
> 
> Add all of the plumbing necessary to support this new instruction.
> 
> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
>  block/backup.c            | 20 ++++++++++++--------
>  block/mirror.c            |  6 ++++--
>  block/replication.c       |  2 +-
>  blockdev.c                | 25 +++++++++++++++++++++++--
>  include/block/block_int.h |  4 +++-
>  qapi/block-core.json      | 21 +++++++++++++++------
>  6 files changed, 58 insertions(+), 20 deletions(-)

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