186 lines
7.3 KiB
C++
186 lines
7.3 KiB
C++
/***************************************************************************
|
|
* Copyright (C) 2012 by Volker Lanz <vl@fidra.de> *
|
|
* *
|
|
* 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 2 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, write to the *
|
|
* Free Software Foundation, Inc., *
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
|
|
***************************************************************************/
|
|
|
|
#include "fs/nilfs2.h"
|
|
|
|
#include "util/externalcommand.h"
|
|
#include "util/capacity.h"
|
|
#include "util/report.h"
|
|
|
|
#include <cmath>
|
|
|
|
#include <QString>
|
|
#include <QTemporaryDir>
|
|
#include <QUuid>
|
|
|
|
#include <KLocalizedString>
|
|
|
|
namespace FS
|
|
{
|
|
FileSystem::CommandSupportType nilfs2::m_GetUsed = FileSystem::cmdSupportNone;
|
|
FileSystem::CommandSupportType nilfs2::m_GetLabel = FileSystem::cmdSupportNone;
|
|
FileSystem::CommandSupportType nilfs2::m_Create = FileSystem::cmdSupportNone;
|
|
FileSystem::CommandSupportType nilfs2::m_Grow = FileSystem::cmdSupportNone;
|
|
FileSystem::CommandSupportType nilfs2::m_Shrink = FileSystem::cmdSupportNone;
|
|
FileSystem::CommandSupportType nilfs2::m_Move = FileSystem::cmdSupportNone;
|
|
FileSystem::CommandSupportType nilfs2::m_Check = FileSystem::cmdSupportNone;
|
|
FileSystem::CommandSupportType nilfs2::m_Copy = FileSystem::cmdSupportNone;
|
|
FileSystem::CommandSupportType nilfs2::m_Backup = FileSystem::cmdSupportNone;
|
|
FileSystem::CommandSupportType nilfs2::m_SetLabel = FileSystem::cmdSupportNone;
|
|
FileSystem::CommandSupportType nilfs2::m_UpdateUUID = FileSystem::cmdSupportNone;
|
|
FileSystem::CommandSupportType nilfs2::m_GetUUID = FileSystem::cmdSupportNone;
|
|
|
|
nilfs2::nilfs2(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label) :
|
|
FileSystem(firstsector, lastsector, sectorsused, label, FileSystem::Nilfs2)
|
|
{
|
|
}
|
|
|
|
void nilfs2::init()
|
|
{
|
|
m_Create = findExternal("mkfs.nilfs2") ? cmdSupportFileSystem : cmdSupportNone;
|
|
m_Check = findExternal("fsck.nilfs2") ? cmdSupportFileSystem : cmdSupportNone;
|
|
|
|
m_GetLabel = cmdSupportCore;
|
|
m_SetLabel = findExternal("nilfs-tune") ? cmdSupportFileSystem : cmdSupportNone;
|
|
m_UpdateUUID = findExternal("nilfs-tune") ? cmdSupportFileSystem : cmdSupportNone;
|
|
|
|
m_Grow = (m_Check != cmdSupportNone && findExternal("nilfs-resize")) ? cmdSupportFileSystem : cmdSupportNone;
|
|
m_GetUsed = findExternal("nilfs-tune") ? cmdSupportFileSystem : cmdSupportNone;
|
|
m_Shrink = (m_Grow != cmdSupportNone && m_GetUsed != cmdSupportNone) ? cmdSupportFileSystem : cmdSupportNone;
|
|
|
|
m_Copy = (m_Check != cmdSupportNone) ? cmdSupportCore : cmdSupportNone;
|
|
m_Move = (m_Check != cmdSupportNone) ? cmdSupportCore : cmdSupportNone;
|
|
|
|
m_GetLabel = cmdSupportCore;
|
|
m_Backup = cmdSupportCore;
|
|
m_GetUUID = cmdSupportCore;
|
|
}
|
|
|
|
bool nilfs2::supportToolFound() const
|
|
{
|
|
return
|
|
m_GetUsed != cmdSupportNone &&
|
|
m_GetLabel != cmdSupportNone &&
|
|
m_SetLabel != cmdSupportNone &&
|
|
m_Create != cmdSupportNone &&
|
|
m_Check != cmdSupportNone &&
|
|
m_UpdateUUID != cmdSupportNone &&
|
|
m_Grow != cmdSupportNone &&
|
|
m_Shrink != cmdSupportNone &&
|
|
m_Copy != cmdSupportNone &&
|
|
m_Move != cmdSupportNone &&
|
|
m_Backup != cmdSupportNone &&
|
|
m_GetUUID != cmdSupportNone;
|
|
}
|
|
|
|
FileSystem::SupportTool nilfs2::supportToolName() const
|
|
{
|
|
return SupportTool("nilfs2-utils", QUrl("http://code.google.com/p/nilfs2/"));
|
|
}
|
|
|
|
qint64 nilfs2::minCapacity() const
|
|
{
|
|
return 128 * Capacity::unitFactor(Capacity::Byte, Capacity::MiB);
|
|
}
|
|
|
|
qint64 nilfs2::maxCapacity() const
|
|
{
|
|
return Capacity::unitFactor(Capacity::Byte, Capacity::EiB);
|
|
}
|
|
|
|
qint64 nilfs2::maxLabelLength() const
|
|
{
|
|
return 80;
|
|
}
|
|
|
|
bool nilfs2::check(Report& report, const QString& deviceNode) const
|
|
{
|
|
ExternalCommand cmd(report, "fsck.nilfs2", QStringList() << deviceNode);
|
|
return cmd.run(-1) && cmd.exitCode() == 0;
|
|
}
|
|
|
|
bool nilfs2::create(Report& report, const QString& deviceNode) const
|
|
{
|
|
ExternalCommand cmd(report, "mkfs.nilfs2", QStringList() << deviceNode);
|
|
return cmd.run(-1) && cmd.exitCode() == 0;
|
|
}
|
|
|
|
qint64 nilfs2::readUsedCapacity(const QString& deviceNode) const
|
|
{
|
|
ExternalCommand cmd("nilfs-tune", QStringList() << "-l" << deviceNode);
|
|
|
|
if (cmd.run())
|
|
{
|
|
QRegExp rxBlockSize("(?:Block size:\\s+)(\\d+)");
|
|
QRegExp rxDeviceSize("(?:Device size:\\s+)(\\d+)");
|
|
QRegExp rxFreeBlocks("(?:Free blocks count:\\s+)(\\d+)");
|
|
if (rxBlockSize.indexIn(cmd.output()) != -1 && rxDeviceSize.indexIn(cmd.output()) != -1 && rxFreeBlocks.indexIn(cmd.output()) != -1)
|
|
return rxDeviceSize.cap(1).toLongLong() - rxBlockSize.cap(1).toLongLong() * rxFreeBlocks.cap(1).toLongLong();
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
bool nilfs2::resize(Report& report, const QString& deviceNode, qint64 length) const
|
|
{
|
|
QTemporaryDir tempDir;
|
|
if (!tempDir.isValid())
|
|
{
|
|
report.line() << xi18nc("@info/plain", "Resizing NILFS2 file system on partition <filename>%1</filename> failed: Could not create temp dir.", deviceNode);
|
|
return false;
|
|
}
|
|
|
|
bool rval = false;
|
|
|
|
ExternalCommand mountCmd(report, "mount", QStringList() << "-v" << "-t" << "nilfs2" << deviceNode << tempDir.path());
|
|
|
|
if (mountCmd.run(-1) && mountCmd.exitCode() == 0)
|
|
{
|
|
ExternalCommand resizeCmd(report, "nilfs-resize", QStringList() << "-v" << "-y" << deviceNode << QString::number(length));
|
|
|
|
if (resizeCmd.run(-1) && resizeCmd.exitCode() == 0)
|
|
rval = true;
|
|
else
|
|
report.line() << xi18nc("@info/plain", "Resizing NILFS2 file system on partition <filename>%1</filename> failed: NILFS2 file system resize failed.", deviceNode);
|
|
|
|
ExternalCommand unmountCmd(report, "umount", QStringList() << tempDir.path());
|
|
|
|
if (!unmountCmd.run(-1) && unmountCmd.exitCode() == 0 )
|
|
report.line() << xi18nc("@info/plain", "Warning: Resizing NILFS2 file system on partition <filename>%1</filename>: Unmount failed.", deviceNode);
|
|
}
|
|
else
|
|
report.line() << xi18nc("@info/plain", "Resizing NILFS2 file system on partition <filename>%1</filename> failed: Initial mount failed.", deviceNode);
|
|
|
|
return rval;
|
|
}
|
|
|
|
bool nilfs2::writeLabel(Report& report, const QString& deviceNode, const QString& newLabel)
|
|
{
|
|
ExternalCommand cmd(report, "nilfs-tune", QStringList() << "-l" << newLabel << deviceNode);
|
|
return cmd.run(-1) && cmd.exitCode() == 0;
|
|
}
|
|
|
|
bool nilfs2::updateUUID(Report& report, const QString& deviceNode) const
|
|
{
|
|
QUuid uuid = QUuid::createUuid();
|
|
ExternalCommand cmd(report, "nilfs-tune", QStringList() << "-U" << uuid.toString() << deviceNode);
|
|
return cmd.run(-1) && cmd.exitCode() == 0;
|
|
}
|
|
}
|