v2

var (
	ErrMergeMountPointAlreadyExists  = errors.New("merge mount point already exists")
	ErrMergeMountPointDoesNotExist   = errors.New("merge mount point does not exist")
	ErrMergeMountPointSourceConflict = errors.New("source mount point should not be a child path of the merge mount point")
)

var (
	ErrNotMounted           = errors.New("not mounted")
	ErrAlreadyMounted       = errors.New("volume is already mounted")
	ErrMountPointIsNotEmpty = errors.New("mountpoint is not empty")
)