Function writeFile

tests/dmflakey/dmflakey_test.go:131–146

(name string, data []byte, perm os.FileMode, sync bool)

}

func writeFile(name string, data []byte, perm os.FileMode, sync bool) error {
	f, err := os.OpenFile(name, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, perm)
	if err != nil {
		return err
	}
	defer f.Close()

	if _, err = f.Write(data); err != nil {
		return err
	}

	if sync {
		return f.Sync()
	}
	return nil
}

func syncfs(file string) error {
	f, err := os.Open(file)