MT_ST_DEF_OPTIONS  199 include/linux/mtio.h #define MT_ST_DEF_DENSITY	(MT_ST_DEF_OPTIONS | 0x100000)
MT_ST_DEF_OPTIONS  200 include/linux/mtio.h #define MT_ST_DEF_COMPRESSION	(MT_ST_DEF_OPTIONS | 0x200000)
MT_ST_DEF_OPTIONS  201 include/linux/mtio.h #define MT_ST_DEF_DRVBUFFER	(MT_ST_DEF_OPTIONS | 0x300000)