ext: vfs.FileDescriptionImpl and vfs.FilesystemImpl implementations.

- This also gets rid of pipes for now because pipe does not have vfs2 specific
  support yet.
- Added file path resolution logic.
- Fixes testing infrastructure.
- Does not include unit tests yet.

PiperOrigin-RevId: 262213950

1 files changed, 0 insertions, 40 deletions

diff --git a/pkg/sentry/fs/ext/named_pipe.go b/pkg/sentry/fs/ext/named_pipe.go
deleted file mode 100644
index 0f3af1b53..000000000
--- a/pkg/sentry/fs/ext/named_pipe.go
+++ /dev/null
@@ -1,40 +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/sentry/context"
-	"gvisor.dev/gvisor/pkg/sentry/fs"
-	"gvisor.dev/gvisor/pkg/sentry/kernel/pipe"
-	"gvisor.dev/gvisor/pkg/sentry/usermem"
-)
-
-// namedPipe represents a named pipe inode. It is currently just a wrapper
-// around pkg/sentry/kernel/pipe.
-type namedPipe struct {
-	inode inode
-
-	p        *pipe.Pipe
-	inodeOps fs.InodeOperations
-}
-
-// newNamedPipe is the namedPipe constructor.
-func newNamedPipe(ctx context.Context, inode inode) *namedPipe {
-	file := &namedPipe{inode: inode}
-	file.inode.impl = file
-	file.p = pipe.NewPipe(ctx, true /* isNamed */, pipe.DefaultPipeSize, usermem.PageSize)
-	file.inodeOps = pipe.NewInodeOperations(ctx, fs.FilePermsFromMode(file.inode.diskInode.Mode()), file.p)
-	return file
-}