NVM_GEN_BLK_BITS 47 include/linux/lightnvm.h u64 blk : NVM_GEN_BLK_BITS; NVM_GEN_BLK_BITS 55 include/linux/lightnvm.h u64 blk : NVM_GEN_BLK_BITS; NVM_GEN_BLK_BITS 66 include/linux/lightnvm.h u64 chk : NVM_GEN_BLK_BITS;