ext: boilerplate code.

Renamed ext4 to ext since we are targeting ext(2/3/4).
Removed fs.go since we are targeting VFS2.
Added ext.go with filesystem struct.

PiperOrigin-RevId: 257689775

1 files changed, 0 insertions, 30 deletions

diff --git a/pkg/sentry/fs/ext4/disklayout/test_utils.go b/pkg/sentry/fs/ext4/disklayout/test_utils.go
deleted file mode 100644
index 9c63f04c0..000000000
--- a/pkg/sentry/fs/ext4/disklayout/test_utils.go
+++ /dev/null
@@ -1,30 +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 disklayout
-
-import (
-	"reflect"
-	"testing"
-
-	"gvisor.dev/gvisor/pkg/binary"
-)
-
-func assertSize(t *testing.T, v interface{}, want uintptr) {
-	t.Helper()
-
-	if got := binary.Size(v); got != want {
-		t.Errorf("struct %s should be exactly %d bytes but is %d bytes", reflect.TypeOf(v).Name(), want, got)
-	}
-}