2008-08-20 13:58:30

by David Woodhouse

[permalink] [raw]
Subject: [PATCH] Reserve NFS fileid values for btrfs


Signed-off-by: David Woodhouse <[email protected]>

---
Purely cosmetic for now, but we might as well get it merged ASAP.

diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
index f5abd13..27e772c 100644
--- a/include/linux/exportfs.h
+++ b/include/linux/exportfs.h
@@ -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.
*/


--
David Woodhouse Open Source Technology Centre
[email protected] Intel Corporation