1 files changed, 0 insertions, 92 deletions
diff --git a/pkg/sentry/vfs/genericfstree/genericfstree.go b/pkg/sentry/vfs/genericfstree/genericfstree.go
deleted file mode 100644
index ba6e6ed49..000000000
--- a/pkg/sentry/vfs/genericfstree/genericfstree.go
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright 2020 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 genericfstree provides tools for implementing vfs.FilesystemImpls
-// where a single statically-determined lock or set of locks is sufficient to
-// ensure that a Dentry's name and parent are contextually immutable.
-//
-// Clients using this package must use the go_template_instance rule in
-// tools/go_generics/defs.bzl to create an instantiation of this template
-// package, providing types to use in place of Dentry.
-package genericfstree
-
-import (
-	"gvisor.dev/gvisor/pkg/fspath"
-	"gvisor.dev/gvisor/pkg/sentry/vfs"
-)
-
-// Dentry is a required type parameter that is a struct with the given fields.
-//
-// +stateify savable
-type Dentry struct {
-	// vfsd is the embedded vfs.Dentry corresponding to this vfs.DentryImpl.
-	vfsd vfs.Dentry
-
-	// parent is the parent of this Dentry in the filesystem's tree. If this
-	// Dentry is a filesystem root, parent is nil.
-	parent *Dentry
-
-	// name is the name of this Dentry in its parent. If this Dentry is a
-	// filesystem root, name is unspecified.
-	name string
-}
-
-// IsAncestorDentry returns true if d is an ancestor of d2; that is, d is
-// either d2's parent or an ancestor of d2's parent.
-func IsAncestorDentry(d, d2 *Dentry) bool {
-	for d2 != nil { // Stop at root, where d2.parent == nil.
-		if d2.parent == d {
-			return true
-		}
-		if d2.parent == d2 {
-			return false
-		}
-		d2 = d2.parent
-	}
-	return false
-}
-
-// ParentOrSelf returns d.parent. If d.parent is nil, ParentOrSelf returns d.
-func ParentOrSelf(d *Dentry) *Dentry {
-	if d.parent != nil {
-		return d.parent
-	}
-	return d
-}
-
-// PrependPath is a generic implementation of FilesystemImpl.PrependPath().
-func PrependPath(vfsroot vfs.VirtualDentry, mnt *vfs.Mount, d *Dentry, b *fspath.Builder) error {
-	for {
-		if mnt == vfsroot.Mount() && &d.vfsd == vfsroot.Dentry() {
-			return vfs.PrependPathAtVFSRootError{}
-		}
-		if mnt != nil && &d.vfsd == mnt.Root() {
-			return nil
-		}
-		if d.parent == nil {
-			return vfs.PrependPathAtNonMountRootError{}
-		}
-		b.PrependComponent(d.name)
-		d = d.parent
-	}
-}
-
-// DebugPathname returns a pathname to d relative to its filesystem root.
-// DebugPathname does not correspond to any Linux function; it's used to
-// generate dentry pathnames for debugging.
-func DebugPathname(d *Dentry) string {
-	var b fspath.Builder
-	_ = PrependPath(vfs.VirtualDentry{}, nil, d, &b)
-	return b.String()
-}