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Diffstat (limited to 'pkg/sentry/kernel/kernel.go')
-rw-r--r--pkg/sentry/kernel/kernel.go13
1 files changed, 8 insertions, 5 deletions
diff --git a/pkg/sentry/kernel/kernel.go b/pkg/sentry/kernel/kernel.go
index 22f9bb006..08bb5bd12 100644
--- a/pkg/sentry/kernel/kernel.go
+++ b/pkg/sentry/kernel/kernel.go
@@ -507,6 +507,10 @@ func (k *Kernel) SaveTo(w wire.Writer) error {
// flushMountSourceRefs flushes the MountSources for all mounted filesystems
// and open FDs.
func (k *Kernel) flushMountSourceRefs(ctx context.Context) error {
+ if VFS2Enabled {
+ return nil // Not relevant.
+ }
+
// Flush all mount sources for currently mounted filesystems in each task.
flushed := make(map[*fs.MountNamespace]struct{})
k.tasks.mu.RLock()
@@ -533,11 +537,6 @@ func (k *Kernel) flushMountSourceRefs(ctx context.Context) error {
//
// Precondition: Must be called with the kernel paused.
func (ts *TaskSet) forEachFDPaused(ctx context.Context, f func(*fs.File, *vfs.FileDescription) error) (err error) {
- // TODO(gvisor.dev/issue/1663): Add save support for VFS2.
- if VFS2Enabled {
- return nil
- }
-
ts.mu.RLock()
defer ts.mu.RUnlock()
for t := range ts.Root.tids {
@@ -556,6 +555,10 @@ func (ts *TaskSet) forEachFDPaused(ctx context.Context, f func(*fs.File, *vfs.Fi
func (ts *TaskSet) flushWritesToFiles(ctx context.Context) error {
// TODO(gvisor.dev/issue/1663): Add save support for VFS2.
+ if VFS2Enabled {
+ return nil
+ }
+
return ts.forEachFDPaused(ctx, func(file *fs.File, _ *vfs.FileDescription) error {
if flags := file.Flags(); !flags.Write {
return nil