55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
/*
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SPDX-FileCopyrightText: 2010 Volker Lanz <vl@fidra.de>
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SPDX-FileCopyrightText: 2016 Andrius Štikonas <andrius@stikonas.eu>
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SPDX-FileCopyrightText: 2015-2015 Teo Mrnjavac <teo@kde.org>
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SPDX-FileCopyrightText: 2015 Chris Campbell <c.j.campbell@ed.ac.uk>
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SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#ifndef KPMCORE_PARTITIONALIGNMENT_H
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#define KPMCORE_PARTITIONALIGNMENT_H
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#include "QtGlobal"
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#include "util/libpartitionmanagerexport.h"
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class Device;
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class Partition;
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class LIBKPMCORE_EXPORT PartitionAlignment
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{
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private:
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PartitionAlignment();
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public:
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static bool isAligned(const Device& d, const Partition& p, bool quiet = false);
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static bool isAligned(const Device& d, const Partition& p, qint64 newFirst, qint64 newLast, bool quiet);
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static qint64 alignedFirstSector(const Device& d, const Partition& p, qint64 s, qint64 min_first, qint64 max_first, qint64 min_length, qint64 max_length);
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static qint64 alignedLastSector(const Device& d, const Partition& p, qint64 s, qint64 min_last, qint64 max_last, qint64 min_length, qint64 max_length, qint64 original_length = -1, bool original_aligned = false);
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static qint64 sectorAlignment(const Device& d);
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/** Sets the sector alignment multiplier for ALL devices henceforth except
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* for devices that have a disklabel which aligns to cylinder boundaries.
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* The default is 2048.
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* This should probably be only set once on startup if necessary and not
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* changed afterwards.
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*/
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static void setSectorAlignment( int sectorAlignment );
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static qint64 firstDelta(const Device& d, const Partition& p, qint64 s);
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static qint64 lastDelta(const Device& d, const Partition& p, qint64 s);
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static bool isLengthAligned(const Device& d, const Partition& p);
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private:
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static int s_sectorAlignment;
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};
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#endif
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