1 files changed, 22 insertions, 0 deletions
diff --git a/pkg/sentry/vfs/debug.go b/pkg/sentry/vfs/debug.go
new file mode 100755
index 000000000..0ed20f249
--- /dev/null
+++ b/pkg/sentry/vfs/debug.go
@@ -0,0 +1,22 @@
+// 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 vfs
+
+const (
+	// If checkInvariants is true, perform runtime checks for invariants
+	// expected by the vfs package. This is normally disabled since VFS is
+	// often a hot path.
+	checkInvariants = false
+)