FS_IOC_GET_ENCRYPTION_PWSALT  146 include/uapi/linux/fscrypt.h #define FS_IOC_GET_ENCRYPTION_PWSALT		_IOW('f', 20, __u8[16])
FS_IOC_GET_ENCRYPTION_PWSALT  146 tools/include/uapi/linux/fscrypt.h #define FS_IOC_GET_ENCRYPTION_PWSALT		_IOW('f', 20, __u8[16])