diff options
Diffstat (limited to 'pkg/sentry/fsimpl/devtmpfs')
| -rw-r--r-- | pkg/sentry/fsimpl/devtmpfs/devtmpfs_state_autogen.go | 3 | ||||
| -rw-r--r-- | pkg/sentry/fsimpl/devtmpfs/save_restore.go | 23 |
2 files changed, 24 insertions, 2 deletions
diff --git a/pkg/sentry/fsimpl/devtmpfs/devtmpfs_state_autogen.go b/pkg/sentry/fsimpl/devtmpfs/devtmpfs_state_autogen.go index 86033019a..87f77d00c 100644 --- a/pkg/sentry/fsimpl/devtmpfs/devtmpfs_state_autogen.go +++ b/pkg/sentry/fsimpl/devtmpfs/devtmpfs_state_autogen.go @@ -27,12 +27,11 @@ func (fst *FilesystemType) StateSave(stateSinkObject state.Sink) { stateSinkObject.Save(2, &fst.root) } -func (fst *FilesystemType) afterLoad() {} - func (fst *FilesystemType) StateLoad(stateSourceObject state.Source) { stateSourceObject.Load(0, &fst.initErr) stateSourceObject.Load(1, &fst.fs) stateSourceObject.Load(2, &fst.root) + stateSourceObject.AfterLoad(fst.afterLoad) } func init() { diff --git a/pkg/sentry/fsimpl/devtmpfs/save_restore.go b/pkg/sentry/fsimpl/devtmpfs/save_restore.go new file mode 100644 index 000000000..28832d850 --- /dev/null +++ b/pkg/sentry/fsimpl/devtmpfs/save_restore.go @@ -0,0 +1,23 @@ +// 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 devtmpfs + +// afterLoad is invoked by stateify. +func (fst *FilesystemType) afterLoad() { + if fst.fs != nil { + // Ensure that we don't create another filesystem. + fst.initOnce.Do(func() {}) + } +} |