MS_MANDLOCK      1636 include/linux/fs.h #define IS_MANDLOCK(inode)	__IS_FLG(inode, MS_MANDLOCK)
MS_MANDLOCK       103 include/uapi/linux/fs.h #define MS_RMT_MASK	(MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION)