fs.py 文件源码

def btrfs_get_mountpoints_of_subvol(subvol='', **kwargs):
    """
    Determine the list of mountpoints for a given subvol (of the form @/foo/bar).

    Returns a list of mountpoint(s), or an empty list.
    """
    mountpoints = []
    if not subvol:
        return []

    # Seems the easiest way to do this is to walk the disk partitions, extract the opts
    # string and see if subvol is present.  Remember the leading '/'.
    for part in psutil.disk_partitions():
        if "subvol=/{}".format(subvol) in part.opts:
            mountpoints.append(part.mountpoint)

    return mountpoints


# pylint: disable=unused-argument