WORK_CANCEL_DISABLE
if (cflags & WORK_CANCEL_DISABLE)
ret = __cancel_work(work, cflags | WORK_CANCEL_DISABLE);
if (!(cflags & WORK_CANCEL_DISABLE))
return __cancel_work(work, WORK_CANCEL_DISABLE);
return __cancel_work_sync(work, WORK_CANCEL_DISABLE);
WORK_CANCEL_DELAYED | WORK_CANCEL_DISABLE);
WORK_CANCEL_DELAYED | WORK_CANCEL_DISABLE);