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Diffstat (limited to 'pkg/sentry/fsimpl/tmpfs/tmpfs.go')
-rw-r--r--pkg/sentry/fsimpl/tmpfs/tmpfs.go6
1 files changed, 6 insertions, 0 deletions
diff --git a/pkg/sentry/fsimpl/tmpfs/tmpfs.go b/pkg/sentry/fsimpl/tmpfs/tmpfs.go
index d0a3e1a5c..a94333ee0 100644
--- a/pkg/sentry/fsimpl/tmpfs/tmpfs.go
+++ b/pkg/sentry/fsimpl/tmpfs/tmpfs.go
@@ -778,3 +778,9 @@ func (fd *fileDescription) LockPOSIX(ctx context.Context, uid fslock.UniqueID, t
func (fd *fileDescription) UnlockPOSIX(ctx context.Context, uid fslock.UniqueID, start, length uint64, whence int16) error {
return fd.Locks().UnlockPOSIX(ctx, &fd.vfsfd, uid, start, length, whence)
}
+
+// Sync implements vfs.FileDescriptionImpl.Sync. It does nothing because all
+// filesystem state is in-memory.
+func (*fileDescription) Sync(context.Context) error {
+ return nil
+}