131 lines
5.3 KiB
C++
131 lines
5.3 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 modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (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, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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***************************************************************************/
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#include "fs/ocfs2.h"
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#include "util/externalcommand.h"
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#include "util/capacity.h"
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#include <QString>
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#include <QRegExp>
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#include <kdebug.h>
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namespace FS
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{
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FileSystem::CommandSupportType ocfs2::m_GetUsed = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ocfs2::m_GetLabel = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ocfs2::m_Create = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ocfs2::m_Grow = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ocfs2::m_Shrink = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ocfs2::m_Move = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ocfs2::m_Check = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ocfs2::m_Copy = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ocfs2::m_Backup = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ocfs2::m_SetLabel = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ocfs2::m_UpdateUUID = FileSystem::cmdSupportNone;
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FileSystem::CommandSupportType ocfs2::m_GetUUID = FileSystem::cmdSupportNone;
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ocfs2::ocfs2(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label) :
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FileSystem(firstsector, lastsector, sectorsused, label, FileSystem::Ocfs2)
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{
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}
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void ocfs2::init()
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{
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m_Create = findExternal("mkfs.ocfs2", QStringList() << "-V") ? cmdSupportFileSystem : cmdSupportNone;
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m_Check = findExternal("fsck.ocfs2", QStringList(), 16) ? cmdSupportFileSystem : cmdSupportNone;
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m_Grow = (m_Check != cmdSupportNone && findExternal("tunefs.ocfs2", QStringList() << "-V") && findExternal("debugfs.ocfs2", QStringList() << "-V")) ? cmdSupportFileSystem : cmdSupportNone;
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m_Shrink = cmdSupportNone;
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// TODO: it seems there's no way to get the FS usage with ocfs2
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m_GetUsed = cmdSupportNone;
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m_SetLabel = findExternal("tunefs.ocfs2", QStringList() << "-V") ? cmdSupportFileSystem : cmdSupportNone;
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m_UpdateUUID = findExternal("tunefs.ocfs2", QStringList() << "-V") ? cmdSupportFileSystem : cmdSupportNone;
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m_Copy = (m_Check != cmdSupportNone) ? cmdSupportCore : cmdSupportNone;
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m_Move = (m_Check != cmdSupportNone) ? cmdSupportCore : cmdSupportNone;
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m_GetLabel = cmdSupportCore;
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m_Backup = cmdSupportCore;
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m_GetUUID = cmdSupportCore;
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}
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qint64 ocfs2::maxCapacity() const
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{
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return Capacity::unitFactor(Capacity::Byte, Capacity::EiB);
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}
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qint64 ocfs2::readUsedCapacity(const QString& deviceNode) const
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{
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Q_UNUSED(deviceNode);
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return -1;
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}
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bool ocfs2::check(Report& report, const QString& deviceNode) const
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{
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ExternalCommand cmd(report, "fsck.ocfs2", QStringList() << "-f" << "-y" << deviceNode);
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return cmd.run(-1) && (cmd.exitCode() == 0 || cmd.exitCode() == 1 || cmd.exitCode() == 2);
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}
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bool ocfs2::create(Report& report, const QString& deviceNode) const
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{
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ExternalCommand cmd(report, "mkfs.ocfs2", QStringList() << deviceNode);
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cmd.start();
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cmd.write("y\n");
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cmd.waitFor(-1);
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return cmd.exitCode() == 0;
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}
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bool ocfs2::resize(Report& report, const QString& deviceNode, qint64 length) const
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{
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ExternalCommand cmdBlockSize("debugfs.ocfs2", QStringList() << "-R" << "stats" << deviceNode);
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qint32 blockSize = -1;
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if (cmdBlockSize.run())
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{
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QRegExp rxBlockSizeBits("Block Size Bits: (\\d+)");
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if (rxBlockSizeBits.indexIn(cmdBlockSize.output()) != -1)
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blockSize = 1 << rxBlockSizeBits.cap(1).toInt();
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}
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if (blockSize == -1)
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return false;
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ExternalCommand cmd(report, "tunefs.ocfs2", QStringList() << "-y" << "-S" << deviceNode << QString::number(length / blockSize));
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return cmd.run(-1) && cmd.exitCode() == 0;
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}
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bool ocfs2::writeLabel(Report& report, const QString& deviceNode, const QString& newLabel)
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{
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ExternalCommand cmd(report, "tunefs.ocfs2", QStringList() << "-L" << newLabel << deviceNode);
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return cmd.run(-1) && cmd.exitCode() == 0;
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}
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bool ocfs2::updateUUID(Report& report, const QString& deviceNode) const
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{
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ExternalCommand cmd(report, "tunefs.ocfs2", QStringList() << "-U" << deviceNode);
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return cmd.run(-1) && cmd.exitCode() == 0;
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}
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}
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