64 lines
2.7 KiB
C++
64 lines
2.7 KiB
C++
/*************************************************************************
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* Copyright (C) 2010 by Volker Lanz <vl@fidra.de> *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>.*
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*************************************************************************/
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#if !defined(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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