Reserve NFS fileid values for btrfs
David Woodhouse [Wed, 20 Aug 2008 13:58:23 +0000 (14:58 +0100)]
Purely cosmetic for now, but we might as well get it merged ASAP.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/linux/exportfs.h

index f5abd13..27e772c 100644 (file)
@@ -35,6 +35,27 @@ enum fid_type {
        FILEID_INO32_GEN_PARENT = 2,
 
        /*
+        * 64 bit object ID, 64 bit root object ID,
+        * 32 bit generation number.
+        */
+       FILEID_BTRFS_WITHOUT_PARENT = 0x4d,
+
+       /*
+        * 64 bit object ID, 64 bit root object ID,
+        * 32 bit generation number,
+        * 64 bit parent object ID, 32 bit parent generation.
+        */
+       FILEID_BTRFS_WITH_PARENT = 0x4e,
+
+       /*
+        * 64 bit object ID, 64 bit root object ID,
+        * 32 bit generation number,
+        * 64 bit parent object ID, 32 bit parent generation,
+        * 64 bit parent root object ID.
+        */
+       FILEID_BTRFS_WITH_PARENT_ROOT = 0x4f,
+
+       /*
         * 32 bit block number, 16 bit partition reference,
         * 16 bit unused, 32 bit generation number.
         */