vtoc_extent 118 arch/s390/include/uapi/asm/vtoc.h struct vtoc_extent DS1EXT1; /* first extent description */ vtoc_extent 119 arch/s390/include/uapi/asm/vtoc.h struct vtoc_extent DS1EXT2; /* second extent description */ vtoc_extent 120 arch/s390/include/uapi/asm/vtoc.h struct vtoc_extent DS1EXT3; /* third extent description */ vtoc_extent 146 arch/s390/include/uapi/asm/vtoc.h struct vtoc_extent DS4VTOCE; /* VTOC extent description */