diff --git a/winsup/w32api/ChangeLog b/winsup/w32api/ChangeLog
index a278a87ee..8b6b3aead 100644
--- a/winsup/w32api/ChangeLog
+++ b/winsup/w32api/ChangeLog
@@ -1,3 +1,11 @@
+2009-07-27  Corinna Vinschen  <corinna@vinschen.de>
+
+	* include/winnt.h (FILE_SUPPORTS_HARD_LINKS,
+	FILE_SUPPORTS_EXTENDED_ATTRIBUTES, FILE_SUPPORTS_OPEN_BY_FILE_ID,
+	FILE_SUPPORTS_USN_JOURNALS): Define.  Add comment.
+	* include/ddk/ntifs.h: Ditto.
+	(FILE_SEQUENTIAL_WRITE_ONCE, FILE_SUPPORTS_TRANSACTIONS): Define.
+
 2009-07-21  Corinna Vinschen  <corinna@vinschen.de>
 
 	* lib/msimg32.def (GetDCBrushColor, GetDCPenColor): Move entry points
diff --git a/winsup/w32api/include/ddk/ntifs.h b/winsup/w32api/include/ddk/ntifs.h
index 42d861f5b..3612777d1 100644
--- a/winsup/w32api/include/ddk/ntifs.h
+++ b/winsup/w32api/include/ddk/ntifs.h
@@ -136,6 +136,15 @@ extern PACL                         SeSystemDefaultDacl;
 #define FILE_SUPPORTS_ENCRYPTION        0x00020000
 #define FILE_NAMED_STREAMS              0x00040000
 #define FILE_READ_ONLY_VOLUME           0x00080000
+#define FILE_SEQUENTIAL_WRITE_ONCE      0x00100000
+#define FILE_SUPPORTS_TRANSACTIONS      0x00200000
+/* Note: These flags only have a meaning starting with Windows 7/2008 R2.
+   Their absence on older OSes does NOT mean that a filesystem is missing
+   that property. */
+#define FILE_SUPPORTS_HARD_LINKS        0x00400000
+#define FILE_SUPPORTS_EXTENDED_ATTRIBUTES 0x00800000
+#define FILE_SUPPORTS_OPEN_BY_FILE_ID   0x01000000
+#define FILE_SUPPORTS_USN_JOURNAL       0x02000000
 
 #define FILE_PIPE_BYTE_STREAM_TYPE      0x00000000
 #define FILE_PIPE_MESSAGE_TYPE          0x00000001
diff --git a/winsup/w32api/include/winnt.h b/winsup/w32api/include/winnt.h
index a84462f90..8ff2e0fa6 100644
--- a/winsup/w32api/include/winnt.h
+++ b/winsup/w32api/include/winnt.h
@@ -380,6 +380,13 @@ typedef DWORD FLONG;
 #define FILE_READ_ONLY_VOLUME           0x00080000
 #define FILE_SEQUENTIAL_WRITE_ONCE      0x00100000
 #define FILE_SUPPORTS_TRANSACTIONS      0x00200000
+/* Note: These flags only have a meaning starting with Windows 7/2008 R2.
+   Their absence on older OSes does NOT mean that a filesystem is missing
+   that property. */
+#define FILE_SUPPORTS_HARD_LINKS        0x00400000
+#define FILE_SUPPORTS_EXTENDED_ATTRIBUTES 0x00800000
+#define FILE_SUPPORTS_OPEN_BY_FILE_ID   0x01000000
+#define FILE_SUPPORTS_USN_JOURNAL       0x02000000
 
 
 #define IO_COMPLETION_QUERY_STATE       0x0001