[pnfs] private layout type range

[Benny Halevy]

Any objection to adding the following:

Index: include/linux/nfs4_pnfs.h
===================================================================
RCS file: /cvs/nfsv4/cvs/pnfs/include/linux/nfs4_pnfs.h,v
retrieving revision 1.9
diff -u -r1.9 nfs4_pnfs.h
--- include/linux/nfs4_pnfs.h   20 Apr 2006 16:21:17 -0000      1.9
+++ include/linux/nfs4_pnfs.h   17 Aug 2006 07:17:42 -0000
@@ -161,6 +161,7 @@
 void pnfs_unregister_layoutdriver(struct pnfs_layoutdriver_type *);

 #define NFS4_PNFS_MAX_LAYOUTS = 4;
+#define NFS4_PNFS_PRIVATE_LAYOUT = 0x80000000;

 enum pnfs_layouttype4 {
        LAYOUT_NFSV4_FILES  = 1,