+FSCTL_DISMOUNT_VOLUME define

diff --git a/include/ntos/zwtypes.h b/include/ntos/zwtypes.h
index d998022..1c3461b 100755 (executable)
--- a/include/ntos/zwtypes.h
+++ b/include/ntos/zwtypes.h
@@ -1055,6 +1055,7 @@ typedef struct _FILE_NOTIFY_INFORMATION {
        WCHAR FileName[0]; 
 } FILE_NOTIFY_INFORMATION;
 
+#define FSCTL_DISMOUNT_VOLUME                  0x90020
 #define FSCTL_GET_VOLUME_BITMAP                        0x9006F
 #define FSCTL_GET_RETRIEVAL_POINTERS           0x90073
 #define FSCTL_MOVE_FILE                                0x90074