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Diffstat (limited to 'pkg/sentry/fs/ext/symlink.go')
-rw-r--r--pkg/sentry/fs/ext/symlink.go54
1 files changed, 0 insertions, 54 deletions
diff --git a/pkg/sentry/fs/ext/symlink.go b/pkg/sentry/fs/ext/symlink.go
deleted file mode 100644
index 9f498d989..000000000
--- a/pkg/sentry/fs/ext/symlink.go
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright 2019 The gVisor Authors.
-//
-// 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 ext
-
-import (
- "gvisor.dev/gvisor/pkg/syserror"
-)
-
-// symlink represents a symlink inode.
-type symlink struct {
- inode inode
- target string // immutable
-}
-
-// newSymlink is the symlink constructor. It reads out the symlink target from
-// the inode (however it might have been stored).
-func newSymlink(inode inode) (*symlink, error) {
- var file *symlink
- var link []byte
-
- // If the symlink target is lesser than 60 bytes, its stores in inode.Data().
- // Otherwise either extents or block maps will be used to store the link.
- size := inode.diskInode.Size()
- if size < 60 {
- link = inode.diskInode.Data()[:size]
- } else {
- // Create a regular file out of this inode and read out the target.
- regFile, err := newRegularFile(inode)
- if err != nil {
- return nil, err
- }
-
- link = make([]byte, size)
- if n, _ := regFile.impl.ReadAt(link, 0); uint64(n) < size {
- return nil, syserror.EIO
- }
- }
-
- file = &symlink{inode: inode, target: string(link)}
- file.inode.impl = file
- return file, nil
-}