5d3b4e9946
Add a new command, returning block nodes (and their users) graph. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-id: 20181221170909.25584-2-vsementsov@virtuozzo.com Signed-off-by: Max Reitz <mreitz@redhat.com>