kubernetes/vendor/github.com/google/cadvisor/devicemapper/util.go

// ThinLsBinaryPresent returns the location of the thin_ls binary in the mount
// namespace cadvisor is running in or an error.  The locations checked are:
//
// - /sbin/
// - /bin/
// - /usr/sbin/
// - /usr/bin/
//
// The thin_ls binary is provided by the device-mapper-persistent-data
// package.
func ThinLsBinaryPresent() (string, error) { … }