1 files changed, 58 insertions, 0 deletions
diff --git a/include/uapi/linux/nfsd/export.h b/include/uapi/linux/nfsd/export.h
new file mode 100644
index 000000000000..cf47c313794e
--- /dev/null
+++ b/include/uapi/linux/nfsd/export.h
@@ -0,0 +1,58 @@
+/*
+ * include/linux/nfsd/export.h
+ * 
+ * Public declarations for NFS exports. The definitions for the
+ * syscall interface are in nfsctl.h
+ *
+ * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef _UAPINFSD_EXPORT_H
+#define _UAPINFSD_EXPORT_H
+
+# include <linux/types.h>
+
+/*
+ * Important limits for the exports stuff.
+ */
+#define NFSCLNT_IDMAX		1024
+#define NFSCLNT_ADDRMAX		16
+#define NFSCLNT_KEYMAX		32
+
+/*
+ * Export flags.
+ */
+#define NFSEXP_READONLY		0x0001
+#define NFSEXP_INSECURE_PORT	0x0002
+#define NFSEXP_ROOTSQUASH	0x0004
+#define NFSEXP_ALLSQUASH	0x0008
+#define NFSEXP_ASYNC		0x0010
+#define NFSEXP_GATHERED_WRITES	0x0020
+/* 40 80 100 currently unused */
+#define NFSEXP_NOHIDE		0x0200
+#define NFSEXP_NOSUBTREECHECK	0x0400
+#define	NFSEXP_NOAUTHNLM	0x0800		/* Don't authenticate NLM requests - just trust */
+#define NFSEXP_MSNFS		0x1000	/* do silly things that MS clients expect; no longer supported */
+#define NFSEXP_FSID		0x2000
+#define	NFSEXP_CROSSMOUNT	0x4000
+#define	NFSEXP_NOACL		0x8000	/* reserved for possible ACL related use */
+/*
+ * The NFSEXP_V4ROOT flag causes the kernel to give access only to NFSv4
+ * clients, and only to the single directory that is the root of the
+ * export; further lookup and readdir operations are treated as if every
+ * subdirectory was a mountpoint, and ignored if they are not themselves
+ * exported.  This is used by nfsd and mountd to construct the NFSv4
+ * pseudofilesystem, which provides access only to paths leading to each
+ * exported filesystem.
+ */
+#define	NFSEXP_V4ROOT		0x10000
+/* All flags that we claim to support.  (Note we don't support NOACL.) */
+#define NFSEXP_ALLFLAGS		0x17E3F
+
+/* The flags that may vary depending on security flavor: */
+#define NFSEXP_SECINFO_FLAGS	(NFSEXP_READONLY | NFSEXP_ROOTSQUASH \
+					| NFSEXP_ALLSQUASH \
+					| NFSEXP_INSECURE_PORT)
+
+
+#endif /* _UAPINFSD_EXPORT_H */