diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 2b1d28a..77e190d 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -78,8 +78,8 @@
 extern int cifs_readdir(struct file *file, void *direntry, filldir_t filldir);
 
 /* Functions related to dir entries */
-extern struct dentry_operations cifs_dentry_ops;
-extern struct dentry_operations cifs_ci_dentry_ops;
+extern const struct dentry_operations cifs_dentry_ops;
+extern const struct dentry_operations cifs_ci_dentry_ops;
 
 /* Functions related to symlinks */
 extern void *cifs_follow_link(struct dentry *direntry, struct nameidata *nd);