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# Copyright (C) 2017 Hans van Kranenburg <hans@knorrie.org>
#
# This file is part of the python-btrfs module.
#
# python-btrfs is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# python-btrfs is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with python-btrfs. If not, see <http://www.gnu.org/licenses/>.
"""
This module contains a small helper, which is used by the
:func:`~btrfs.ctree.FreeSpaceBitmap.unpack` function of a
:class:`btrfs.ctree.FreeSpaceBitmap`. It's also used by the
:func:`~btrfs.ctree.FileSystem.free_space_extents` convenience method of a
:class:`btrfs.ctree.FileSystem` object for generating a simple stream of free
space extent info transparently unpacking bitmaps.
"""
from collections import namedtuple
FreeSpaceExtent = namedtuple('FreeSpaceExtent', ['vaddr', 'length'])
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