1ST_VALID 0x0020 2ST_RDONLY 0x0001 3ST_NOSUID 0x0002 4ST_NODEV 0x0004 5ST_NOEXEC 0x0008 6ST_SYNCHRONOUS 0x0010 7ST_MANDLOCK 0x0040 8ST_NOATIME 0x0400 9ST_NODIRATIME 0x0800 10ST_RELATIME 0x1000 11