From: David Woodhouse <dwmw2@infradead.org>
Date: Wed, 20 Aug 2008 13:58:23 +0000 (+0100)
Subject: Reserve NFS fileid values for btrfs
X-Git-Tag: v2.6.27-rc4~28
X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=e4464facd6f1404c2baeb6798d71e34423e7aeaa;p=linux-2.6-omap-h63xx.git

Reserve NFS fileid values for btrfs

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>
---

diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
index f5abd130663..27e772cefb6 100644
--- a/include/linux/exportfs.h
+++ b/include/linux/exportfs.h
@@ -34,6 +34,27 @@ 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.