[XFS] Add support for project quota, based on Dan Knappes earlier work.

SGI-PV: 932952
SGI-Modid: xfs-linux:xfs-kern:22805a

Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h
index 5f1b0c9..01aed5f 100644
--- a/fs/xfs/xfs_buf_item.h
+++ b/fs/xfs/xfs_buf_item.h
@@ -80,7 +80,7 @@
  * user or group dquots and may require special recovery handling.
  */
 #define	XFS_BLI_UDQUOT_BUF	0x4
-/* #define XFS_BLI_PDQUOT_BUF	0x8 */
+#define XFS_BLI_PDQUOT_BUF	0x8
 #define	XFS_BLI_GDQUOT_BUF	0x10
 
 #define	XFS_BLI_CHUNK		128