os.root.mu (field)

7 uses

	os (current package)
		root_openat.go#L26: 	mu     sync.Mutex
		root_openat.go#L33: 	r.mu.Lock()
		root_openat.go#L34: 	defer r.mu.Unlock()
		root_openat.go#L44: 	r.mu.Lock()
		root_openat.go#L45: 	defer r.mu.Unlock()
		root_openat.go#L54: 	r.mu.Lock()
		root_openat.go#L55: 	defer r.mu.Unlock()