FAULT_LOCK_OP 0x000020000
FAULT_BLKADDR_VALIDITY 0x000040000
FAULT_BLKADDR_CONSISTENCE 0x000080000
+ FAULT_NO_SEGMENT 0x000100000
=========================== ===========
mode=%s Control block allocation mode which supports "adaptive"
and "lfs". In "lfs" mode, there should be no random