Plumbing though mode parameter to open, since fusefs can make use of it.

native_client_sdk/src/libraries/nacl_io/filesystem.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "nacl_io/filesystem.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <stdarg.h>
 
@@ skipping 21 matching lines @@
 
 Error Filesystem::Init(const FsInitArgs& args) {
   dev_ = args.dev;
   ppapi_ = args.ppapi;
   return 0;
 }
 
 void Filesystem::Destroy() {
 }
 
+Error Filesystem::Open(const Path& path,
+                       int open_flags,
+                       ScopedNode* out_node) {
+  return OpenWithMode(path, open_flags, 0666, out_node);
+}
+
 Error Filesystem::OpenResource(const Path& path, ScopedNode* out_node) {
   out_node->reset(NULL);
   LOG_TRACE("Can't open resource: %s", path.Join().c_str());
   return EINVAL;
 }
 
 void Filesystem::OnNodeCreated(Node* node) {
   node->stat_.st_ino = inode_pool_.Acquire();
   node->stat_.st_dev = dev_;
 }
@@ skipping 10 matching lines @@
 
 Error Filesystem::Filesystem_Ioctl(int request, ...) {
   va_list args;
   va_start(args, request);
   Error error = Filesystem_VIoctl(request, args);
   va_end(args);
   return error;
 }
 
 }  // namespace nacl_io