9ec8873e68
With this patch, blockdev-add always works on a node level, i.e. it creates a BDS, but no BB. Consequently, x-blockdev-del doesn't need the 'device' option any more, but 'node-name' becomes mandatory. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>