147 lines
6.6 KiB
C++
147 lines
6.6 KiB
C++
/*************************************************************************
|
|
* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
|
|
* Copyright (C) 2016 by Andrius Štikonas <andrius@stikonas.eu> *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU General Public License as *
|
|
* published by the Free Software Foundation; either version 3 of *
|
|
* the License, or (at your option) any later version. *
|
|
* *
|
|
* This program 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 General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.*
|
|
*************************************************************************/
|
|
|
|
#include "jobs/resizefilesystemjob.h"
|
|
|
|
#include "core/partition.h"
|
|
#include "core/device.h"
|
|
|
|
#include "backend/corebackend.h"
|
|
#include "backend/corebackendmanager.h"
|
|
#include "backend/corebackenddevice.h"
|
|
#include "backend/corebackendpartitiontable.h"
|
|
|
|
#include "fs/filesystem.h"
|
|
|
|
#include "util/report.h"
|
|
#include "util/capacity.h"
|
|
|
|
#include <memory>
|
|
|
|
#include <QDebug>
|
|
|
|
#include <KLocalizedString>
|
|
|
|
/** Creates a new ResizeFileSystemJob
|
|
@param d the Device the FileSystem to be resized is on
|
|
@param p the Partition the FileSystem to be resized is on
|
|
@param newlength the new length for the FileSystem; if -1, the FileSystem will be resized to fill the entire Partition
|
|
*/
|
|
ResizeFileSystemJob::ResizeFileSystemJob(Device& d, Partition& p, qint64 newlength) :
|
|
Job(),
|
|
m_Device(d),
|
|
m_Partition(p),
|
|
m_Maximize(newlength == -1),
|
|
m_NewLength(isMaximizing() ? partition().length() : newlength)
|
|
{
|
|
}
|
|
|
|
qint32 ResizeFileSystemJob::numSteps() const
|
|
{
|
|
return 100;
|
|
}
|
|
|
|
bool ResizeFileSystemJob::run(Report& parent)
|
|
{
|
|
Q_ASSERT(partition().fileSystem().firstSector() != -1);
|
|
Q_ASSERT(partition().fileSystem().lastSector() != -1);
|
|
Q_ASSERT(newLength() <= partition().length());
|
|
|
|
if (partition().fileSystem().firstSector() == -1 || partition().fileSystem().lastSector() == -1 || newLength() > partition().length()) {
|
|
qWarning() << "file system first sector: " << partition().fileSystem().firstSector() << ", last sector: " << partition().fileSystem().lastSector() << ", new length: " << newLength() << ", partition length: " << partition().length();
|
|
return false;
|
|
}
|
|
|
|
bool rval = false;
|
|
|
|
Report* report = jobStarted(parent);
|
|
|
|
if (partition().fileSystem().length() == newLength()) {
|
|
report->line() << xi18ncp("@info:progress", "The file system on partition <filename>%2</filename> already has the requested length of 1 sector.", "The file system on partition <filename>%2</filename> already has the requested length of %1 sectors.", newLength(), partition().deviceNode());
|
|
rval = true;
|
|
} else {
|
|
report->line() << i18nc("@info:progress", "Resizing file system from %1 to %2 sectors.", partition().fileSystem().length(), newLength());
|
|
|
|
FileSystem::CommandSupportType support = (newLength() < partition().fileSystem().length()) ? partition().fileSystem().supportShrink() : partition().fileSystem().supportGrow();
|
|
|
|
switch (support) {
|
|
case FileSystem::cmdSupportBackend: {
|
|
Report* childReport = report->newChild();
|
|
childReport->line() << xi18nc("@info:progress", "Resizing a %1 file system using internal backend functions.", partition().fileSystem().name());
|
|
rval = resizeFileSystemBackend(*childReport);
|
|
break;
|
|
}
|
|
|
|
case FileSystem::cmdSupportFileSystem: {
|
|
const qint64 newLengthInByte = Capacity(newLength() * device().logicalSize()).toInt(Capacity::Unit::Byte);
|
|
if (partition().isMounted())
|
|
rval = partition().fileSystem().resizeOnline(*report, partition().deviceNode(), partition().mountPoint(), newLengthInByte);
|
|
else
|
|
rval = partition().fileSystem().resize(*report, partition().deviceNode(), newLengthInByte);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
report->line() << xi18nc("@info:progress", "The file system on partition <filename>%1</filename> cannot be resized because there is no support for it.", partition().deviceNode());
|
|
break;
|
|
}
|
|
|
|
if (rval)
|
|
partition().fileSystem().setLastSector(partition().fileSystem().firstSector() + newLength() - 1);
|
|
}
|
|
|
|
jobFinished(*report, rval);
|
|
|
|
return rval;
|
|
}
|
|
|
|
bool ResizeFileSystemJob::resizeFileSystemBackend(Report& report)
|
|
{
|
|
bool rval = false;
|
|
|
|
std::unique_ptr<CoreBackendDevice> backendDevice = CoreBackendManager::self()->backend()->openDevice(device());
|
|
|
|
if (backendDevice) {
|
|
std::unique_ptr<CoreBackendPartitionTable> backendPartitionTable = backendDevice->openPartitionTable();
|
|
|
|
if (backendPartitionTable) {
|
|
connect(CoreBackendManager::self()->backend(), &CoreBackend::progress, this, &ResizeFileSystemJob::progress);
|
|
rval = backendPartitionTable->resizeFileSystem(report, partition(), newLength());
|
|
disconnect(CoreBackendManager::self()->backend(), &CoreBackend::progress, this, &ResizeFileSystemJob::progress);
|
|
|
|
if (rval) {
|
|
report.line() << xi18nc("@info:progress", "Successfully resized file system using internal backend functions.");
|
|
backendPartitionTable->commit();
|
|
}
|
|
} else
|
|
report.line() << xi18nc("@info:progress", "Could not open partition <filename>%1</filename> while trying to resize the file system.", partition().deviceNode());
|
|
|
|
} else
|
|
report.line() << xi18nc("@info:progress", "Could not read geometry for partition <filename>%1</filename> while trying to resize the file system.", partition().deviceNode());
|
|
|
|
return rval;
|
|
}
|
|
|
|
QString ResizeFileSystemJob::description() const
|
|
{
|
|
if (isMaximizing())
|
|
return xi18nc("@info:progress", "Maximize file system on <filename>%1</filename> to fill the partition", partition().deviceNode());
|
|
|
|
return xi18ncp("@info:progress", "Resize file system on partition <filename>%2</filename> to 1 sector", "Resize file system on partition <filename>%2</filename> to %1 sectors", newLength(), partition().deviceNode());
|
|
}
|