return cio_start_key(sch, cpa, lpm, default_storage_key); 
return cio_start_key(sch, cpa, lpm, PAGE_DEFAULT_KEY); 
cio_start (struct subchannel *sch, struct ccw1 *cpa, __u8 lpm){	return cio_start_key(sch, cpa, lpm, default_storage_key);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/0b642ede47969d4180b0922d982777fe64379228/cio.c/clean/drivers/s390/cio/cio.c