[CIFS] New file for previous commit

Signed-off-by: Steve French <sfrench@us.ibm.com>

fs/cifs/export.c

+/*
+ *   fs/cifs/export.c
+ *
+ *   Copyright (C) International Business Machines  Corp., 2007
+ *   Author(s): Steve French (sfrench@us.ibm.com)
+ *
+ *   Common Internet FileSystem (CIFS) client
+ * 
+ *   Operations related to support for exporting files via NFSD
+ *
+ *   This library is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU Lesser General Public License as published
+ *   by the Free Software Foundation; either version 2.1 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This library is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+ *   the GNU Lesser General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Lesser General Public License
+ *   along with this library; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+ 
+ /* 
+  * See Documentation/filesystems/Exporting
+  * and examples in fs/exportfs
+  */
+
+#include <linux/fs.h>
+ 
+#ifdef CONFIG_CIFS_EXPERIMENTAL
+ 
+static struct dentry *cifs_get_parent(struct dentry *dentry)
+{
+ 	/* BB need to add code here eventually to enable export via NFSD */
+ 	return ERR_PTR(-EACCES);
+}
+ 
+struct export_operations cifs_export_ops = {
+ 	.get_parent = cifs_get_parent,
+/*	Following five export operations are unneeded so far and can default */ 	
+/* 	.get_dentry =
+ 	.get_name =
+ 	.find_exported_dentry =
+ 	.decode_fh = 
+ 	.encode_fs =  */
+ };
+ 
+#endif /* EXPERIMENTAL */
+