1 files changed, 0 insertions, 110 deletions
diff --git a/pkg/sentry/fsimpl/ext/file_description.go b/pkg/sentry/fsimpl/ext/file_description.go
deleted file mode 100644
index d244cf1e7..000000000
--- a/pkg/sentry/fsimpl/ext/file_description.go
+++ /dev/null
@@ -1,110 +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/abi/linux"
-	"gvisor.dev/gvisor/pkg/sentry/arch"
-	"gvisor.dev/gvisor/pkg/sentry/context"
-	"gvisor.dev/gvisor/pkg/sentry/usermem"
-	"gvisor.dev/gvisor/pkg/sentry/vfs"
-	"gvisor.dev/gvisor/pkg/syserror"
-	"gvisor.dev/gvisor/pkg/waiter"
-)
-
-// fileDescription is embedded by ext implementations of
-// vfs.FileDescriptionImpl.
-type fileDescription struct {
-	vfsfd vfs.FileDescription
-
-	// flags is the same as vfs.OpenOptions.Flags which are passed to
-	// vfs.FilesystemImpl.OpenAt.
-	// TODO(b/134676337): syscalls like read(2), write(2), fchmod(2), fchown(2),
-	// fgetxattr(2), ioctl(2), mmap(2) should fail with EBADF if O_PATH is set.
-	// Only close(2), fstat(2), fstatfs(2) should work.
-	flags uint32
-}
-
-func (fd *fileDescription) filesystem() *filesystem {
-	return fd.vfsfd.VirtualDentry().Mount().Filesystem().Impl().(*filesystem)
-}
-
-func (fd *fileDescription) inode() *inode {
-	return fd.vfsfd.VirtualDentry().Dentry().Impl().(*dentry).inode
-}
-
-// OnClose implements vfs.FileDescriptionImpl.OnClose.
-func (fd *fileDescription) OnClose() error { return nil }
-
-// StatusFlags implements vfs.FileDescriptionImpl.StatusFlags.
-func (fd *fileDescription) StatusFlags(ctx context.Context) (uint32, error) {
-	return fd.flags, nil
-}
-
-// SetStatusFlags implements vfs.FileDescriptionImpl.SetStatusFlags.
-func (fd *fileDescription) SetStatusFlags(ctx context.Context, flags uint32) error {
-	// None of the flags settable by fcntl(F_SETFL) are supported, so this is a
-	// no-op.
-	return nil
-}
-
-// Stat implements vfs.FileDescriptionImpl.Stat.
-func (fd *fileDescription) Stat(ctx context.Context, opts vfs.StatOptions) (linux.Statx, error) {
-	var stat linux.Statx
-	fd.inode().statTo(&stat)
-	return stat, nil
-}
-
-// SetStat implements vfs.FileDescriptionImpl.SetStat.
-func (fd *fileDescription) SetStat(ctx context.Context, opts vfs.SetStatOptions) error {
-	if opts.Stat.Mask == 0 {
-		return nil
-	}
-	return syserror.EPERM
-}
-
-// SetStat implements vfs.FileDescriptionImpl.StatFS.
-func (fd *fileDescription) StatFS(ctx context.Context) (linux.Statfs, error) {
-	var stat linux.Statfs
-	fd.filesystem().statTo(&stat)
-	return stat, nil
-}
-
-// Readiness implements waiter.Waitable.Readiness analogously to
-// file_operations::poll == NULL in Linux.
-func (fd *fileDescription) Readiness(mask waiter.EventMask) waiter.EventMask {
-	// include/linux/poll.h:vfs_poll() => DEFAULT_POLLMASK
-	return waiter.EventIn | waiter.EventOut
-}
-
-// EventRegister implements waiter.Waitable.EventRegister analogously to
-// file_operations::poll == NULL in Linux.
-func (fd *fileDescription) EventRegister(e *waiter.Entry, mask waiter.EventMask) {}
-
-// EventUnregister implements waiter.Waitable.EventUnregister analogously to
-// file_operations::poll == NULL in Linux.
-func (fd *fileDescription) EventUnregister(e *waiter.Entry) {}
-
-// Sync implements vfs.FileDescriptionImpl.Sync.
-func (fd *fileDescription) Sync(ctx context.Context) error {
-	return nil
-}
-
-// Ioctl implements vfs.FileDescriptionImpl.Ioctl.
-func (fd *fileDescription) Ioctl(ctx context.Context, uio usermem.IO, args arch.SyscallArguments) (uintptr, error) {
-	// ioctl(2) specifies that ENOTTY must be returned if the file descriptor is
-	// not associated with a character special device (which is unimplemented).
-	return 0, syserror.ENOTTY
-}