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-rw-r--r--ext4/feature_flag.go84
1 files changed, 0 insertions, 84 deletions
diff --git a/ext4/feature_flag.go b/ext4/feature_flag.go
deleted file mode 100644
index 58b3669..0000000
--- a/ext4/feature_flag.go
+++ /dev/null
@@ -1,84 +0,0 @@
-// +build linux,cgo
-
-/*
- * feature_flag.go - Changes encryption flag for an ext4 filesystem.
- *
- * Copyright 2017 Google Inc.
- * Author: Joe Richey (joerichey@google.com)
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-
-package main
-
-/*
-#cgo LDFLAGS: -lext2fs
-#include <ext2fs/ext2_fs.h>
-#include <ext2fs/ext2fs.h>
-
-#include <stdlib.h>
-*/
-import "C"
-import (
- "fmt"
-
- "github.com/google/fscrypt/filesystem"
-)
-
-// Ext4Filesystem wraps the C structures returned from libext2fs.
-type Ext4Filesystem struct {
- ptr C.ext2_filsys
- mounted bool
- retVal C.errcode_t
-}
-
-// NewExt4Filesystem creates a new Ext4Filesystem from a mountpoint path. Fail
-// if the path is not the mountpoint of an ext4 filesystem or cannot be opened.
-func NewExt4Filesystem(mount *filesystem.Mount) (*Ext4Filesystem, error) {
- if mount.Filesystem != "ext4" {
- err := fmt.Errorf("%q is not an ext4 filesystem (type %q)", mount.Path, mount.Filesystem)
- return nil, err
- }
- if mount.Device == "" {
- err := fmt.Errorf("underlying device for %q is invalid", mount.Filesystem)
- return nil, err
- }
- return nil, nil
-}
-
-// HasValidBlockSize returns true if the filesystem has the same block size as
-// the system's page size.
-func (fs *Ext4Filesystem) HasValidBlockSize() bool {
- return true
-}
-
-// IsEncryptionEnabled return true if the "encrypt" feature flag is set.
-func (fs *Ext4Filesystem) IsEncryptionEnabled() bool {
- return C.ext2fs_has_feature_encrypt(fs.ptr.super) != 0
-}
-
-// EnableEncryption sets the "encrypt" feature flag and writes the appropriate
-// information in the superblock to allow filesystem encryption.
-func (fs *Ext4Filesystem) EnableEncryption() error {
- return nil
-}
-
-// DisableEncryption removes the "encrypt" feature flag.
-func (fs *Ext4Filesystem) DisableEncryption() error {
- return nil
-}
-
-// Close safely closes, frees, and runs cleanup f9r the filesystem.
-func (fs *Ext4Filesystem) Close() error {
- return nil
-}