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Diffstat (limited to 'pkg/sentry/fs/sys/fs.go')
-rw-r--r--pkg/sentry/fs/sys/fs.go2
1 files changed, 2 insertions, 0 deletions
diff --git a/pkg/sentry/fs/sys/fs.go b/pkg/sentry/fs/sys/fs.go
index 5ce33f87f..301fef038 100644
--- a/pkg/sentry/fs/sys/fs.go
+++ b/pkg/sentry/fs/sys/fs.go
@@ -24,6 +24,8 @@ import (
// +stateify savable
type filesystem struct{}
+var _ fs.Filesystem = (*filesystem)(nil)
+
func init() {
fs.RegisterFilesystem(&filesystem{})
}