task_submit_part(c->user, tname, pname, ext, last_ver, fb);
obj_set_attr_num(parto, 'V', last_ver);
task_unlock_status(c, 1);
task_submit_part(c->user, tname, pname, ext, last_ver, fb);
obj_set_attr_num(parto, 'V', last_ver);
task_unlock_status(c, 1);