oublock           180 include/linux/sched/signal.h 	unsigned long inblock, oublock, cinblock, coublock;
oublock           153 kernel/exit.c  	sig->oublock += task_io_get_oublock(tsk);
oublock          1055 kernel/exit.c  			sig->oublock + sig->coublock;
oublock          1751 kernel/sys.c   		r->ru_oublock += p->signal->oublock;