diff --git a/include/linux/nfs2.h b/include/linux/nfs2.h
new file mode 100644
index 0000000..0ed9517
--- /dev/null
+++ b/include/linux/nfs2.h
@@ -0,0 +1,74 @@
+/*
+ * NFS protocol definitions
+ *
+ * This file contains constants for Version 2 of the protocol.
+ */
+#ifndef _LINUX_NFS2_H
+#define _LINUX_NFS2_H
+
+#define NFS2_PORT	2049
+#define NFS2_MAXDATA	8192
+#define NFS2_MAXPATHLEN	1024
+#define NFS2_MAXNAMLEN	255
+#define NFS2_MAXGROUPS	16
+#define NFS2_FHSIZE	32
+#define NFS2_COOKIESIZE	4
+#define NFS2_FIFO_DEV	(-1)
+#define NFS2MODE_FMT	0170000
+#define NFS2MODE_DIR	0040000
+#define NFS2MODE_CHR	0020000
+#define NFS2MODE_BLK	0060000
+#define NFS2MODE_REG	0100000
+#define NFS2MODE_LNK	0120000
+#define NFS2MODE_SOCK	0140000
+#define NFS2MODE_FIFO	0010000
+
+
+/* NFSv2 file types - beware, these are not the same in NFSv3 */
+enum nfs2_ftype {
+	NF2NON = 0,
+	NF2REG = 1,
+	NF2DIR = 2,
+	NF2BLK = 3,
+	NF2CHR = 4,
+	NF2LNK = 5,
+	NF2SOCK = 6,
+	NF2BAD = 7,
+	NF2FIFO = 8
+};
+
+struct nfs2_fh {
+	char			data[NFS2_FHSIZE];
+};
+
+/*
+ * Procedure numbers for NFSv2
+ */
+#define NFS2_VERSION		2
+#define NFSPROC_NULL		0
+#define NFSPROC_GETATTR		1
+#define NFSPROC_SETATTR		2
+#define NFSPROC_ROOT		3
+#define NFSPROC_LOOKUP		4
+#define NFSPROC_READLINK	5
+#define NFSPROC_READ		6
+#define NFSPROC_WRITECACHE	7
+#define NFSPROC_WRITE		8
+#define NFSPROC_CREATE		9
+#define NFSPROC_REMOVE		10
+#define NFSPROC_RENAME		11
+#define NFSPROC_LINK		12
+#define NFSPROC_SYMLINK		13
+#define NFSPROC_MKDIR		14
+#define NFSPROC_RMDIR		15
+#define NFSPROC_READDIR		16
+#define NFSPROC_STATFS		17
+
+#define NFS_MNT_PROGRAM		100005
+#define NFS_MNT_VERSION		1
+#define MNTPROC_NULL		0
+#define MNTPROC_MNT		1
+#define MNTPROC_UMNT		3
+#define MNTPROC_UMNTALL		4
+
+#endif /* _LINUX_NFS2_H */