#define FSCTL_UNLOCK_VOLUME 0x0009001C
#define FSCTL_GET_COMPRESSION 0x0009003C
#define FSCTL_SET_COMPRESSION 0x0009C040
+#define FSCTL_IS_VOLUME_DIRTY 0x00090078
#define FSCTL_REQUEST_FILTER_OPLOCK 0x0009008C
#define FSCTL_FIND_FILES_BY_SID 0x0009008F
#define FSCTL_FILESYS_GET_STATISTICS 0x00090090