Return all contents of dumpe2fs for a specified device

    CLI Example:
    .. code-block:: bash

        salt '*' disk.dump /dev/sda1

def dump(device, args=None):
    '''
    Return all contents of dumpe2fs for a specified device

    CLI Example:
    .. code-block:: bash

        salt '*' disk.dump /dev/sda1
    '''
    cmd = 'blockdev --getro --getsz --getss --getpbsz --getiomin --getioopt --getalignoff ' \
          '--getmaxsect --getsize --getsize64 --getra --getfra {0}'.format(device)
    ret = {}
    opts = [c[2:] for c in cmd.split() if c.startswith('--')]
    out = __salt__['cmd.run_all'](cmd, python_shell=False)
    if out['retcode'] == 0:
        lines = [line for line in out['stdout'].splitlines() if line]
        count = 0
        for line in lines:
            ret[opts[count]] = line
            count = count+1
        if args:
            temp_ret = {}
            for arg in args:
                temp_ret[arg] = ret[arg]
            return temp_ret
        else:
            return ret
    else:
        return False