MD_SB_GENERIC_STATE_WORDS   63 include/linux/raid/md_p.h #define MD_SB_GENERIC_WORDS		(MD_SB_GENERIC_CONSTANT_WORDS + MD_SB_GENERIC_STATE_WORDS)
MD_SB_GENERIC_STATE_WORDS  164 include/linux/raid/md_p.h 	__u32 gstate_sreserved[MD_SB_GENERIC_STATE_WORDS - 18];