113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/*
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SPDX-FileCopyrightText: 2016 Chantara Tith <tith.chantara@gmail.com>
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SPDX-FileCopyrightText: 2016-2020 Andrius Štikonas <andrius@stikonas.eu>
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SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "ops/resizevolumegroupoperation.h"
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#include "core/lvmdevice.h"
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#include "core/partition.h"
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#include "fs/lvm2_pv.h"
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#include "jobs/resizevolumegroupjob.h"
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#include "jobs/movephysicalvolumejob.h"
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#include "util/helpers.h"
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#include <utility>
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#include <QString>
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#include <KLocalizedString>
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/** Creates a new ResizeVolumeGroupOperation.
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@param d the Device to create the new PartitionTable on
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@param partList list of LVM Physical Volumes that should be in LVM Volume Group
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*/
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ResizeVolumeGroupOperation::ResizeVolumeGroupOperation(VolumeManagerDevice& d, const QVector<const Partition*>& partList)
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: Operation()
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, m_Device(d)
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, m_TargetList(partList)
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, m_CurrentList(d.physicalVolumes())
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, m_TargetSize(0)
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, m_CurrentSize(0)
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, m_GrowVolumeGroupJob(nullptr)
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, m_ShrinkVolumeGroupJob(nullptr)
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, m_MovePhysicalVolumeJob(nullptr)
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{
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for (const auto &p : targetList())
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m_TargetSize += p->capacity();
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for (const auto &p : currentList())
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m_CurrentSize += p->capacity();
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QList<const Partition*> toRemoveList;
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for (const auto &p : currentList())
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if (!targetList().contains(p))
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toRemoveList.append(p);
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QList<const Partition*> toInsertList;
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for (const auto &p : targetList())
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if (!currentList().contains(p))
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toInsertList.append(p);
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if (!toInsertList.isEmpty()) {
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m_GrowVolumeGroupJob = new ResizeVolumeGroupJob(d, toInsertList, ResizeVolumeGroupJob::Type::Grow);
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addJob(growVolumeGroupJob());
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}
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if (!toRemoveList.isEmpty()) {
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m_MovePhysicalVolumeJob = new MovePhysicalVolumeJob(d, toRemoveList);
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m_ShrinkVolumeGroupJob = new ResizeVolumeGroupJob(d, toRemoveList, ResizeVolumeGroupJob::Type::Shrink);
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addJob(movePhysicalVolumeJob());
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addJob(shrinkvolumegroupjob());
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}
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}
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QString ResizeVolumeGroupOperation::description() const
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{
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QString tList = QString();
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for (const auto &p : targetList()) {
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tList += p->deviceNode() + QStringLiteral(", ");
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}
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tList.chop(2);
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QString curList = QString();
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for (const auto &p : currentList()) {
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curList += p->deviceNode() + QStringLiteral(", ");
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}
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curList.chop(2);
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return xi18nc("@info/plain", "Resize volume %1 from %2 to %3", device().name(), curList, tList);
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}
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bool ResizeVolumeGroupOperation::targets(const Device& d) const
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{
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return d == device();
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}
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bool ResizeVolumeGroupOperation::targets(const Partition& p) const
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{
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for (const auto &partition : targetList()) {
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if (partition->partitionPath() == p.partitionPath()) {
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return true;
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}
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}
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return false;
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}
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void ResizeVolumeGroupOperation::preview()
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{
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//assuming that targetSize is larger than the allocated space.
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device().setTotalLogical(targetSize() / device().logicalSize());
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device().partitionTable()->setFirstUsableSector(PartitionTable::defaultFirstUsable(device(), PartitionTable::vmd));
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device().partitionTable()->setLastUsableSector(PartitionTable::defaultLastUsable(device(), PartitionTable::vmd));
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device().partitionTable()->updateUnallocated(device());
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}
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void ResizeVolumeGroupOperation::undo()
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{
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device().setTotalLogical(currentSize() / device().logicalSize());
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device().partitionTable()->setFirstUsableSector(PartitionTable::defaultFirstUsable(device(), PartitionTable::vmd));
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device().partitionTable()->setLastUsableSector(PartitionTable::defaultLastUsable(device(), PartitionTable::vmd));
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device().partitionTable()->updateUnallocated(device());
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}
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