vtoc_ds7ext 183 arch/s390/include/uapi/asm/vtoc.h struct vtoc_ds7ext DS7EXTNT[5]; /* space for 5 extent descriptions */ vtoc_ds7ext 185 arch/s390/include/uapi/asm/vtoc.h struct vtoc_ds7ext DS7ADEXT[11]; /* space for 11 extent descriptions */