From bd7708956f0c9e00e88eff9b35b22eea75e71f5f Mon Sep 17 00:00:00 2001
From: Ayush Ranjan <ayushranjan@google.com>
Date: Tue, 23 Jul 2019 15:50:35 -0700
Subject: ext: Added extent tree building logic.

PiperOrigin-RevId: 259628657
---
 pkg/sentry/fs/ext/dentry.go | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 pkg/sentry/fs/ext/dentry.go

(limited to 'pkg/sentry/fs/ext/dentry.go')

diff --git a/pkg/sentry/fs/ext/dentry.go b/pkg/sentry/fs/ext/dentry.go
new file mode 100644
index 000000000..71cd217df
--- /dev/null
+++ b/pkg/sentry/fs/ext/dentry.go
@@ -0,0 +1,23 @@
+// 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
+
+// dentry implements vfs.DentryImpl.
+type dentry struct {
+	// inode is the inode represented by this dentry. Multiple Dentries may
+	// share a single non-directory Inode (with hard links). inode is
+	// immutable.
+	inode *inode
+}
-- 
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