PF_IO_WORKER
return in_task() && (current->flags & PF_IO_WORKER) &&
if (current->flags & PF_IO_WORKER) {
p->flags |= PF_IO_WORKER;
else if (task_flags & PF_IO_WORKER)
if (tsk->flags & (PF_WQ_WORKER | PF_IO_WORKER)) {