2020-09-28 00:45:21 +01:00
|
|
|
/*
|
|
|
|
SPDX-FileCopyrightText: 2008-2010 Volker Lanz <vl@fidra.de>
|
|
|
|
SPDX-FileCopyrightText: 2013-2018 Andrius Štikonas <andrius@stikonas.eu>
|
|
|
|
SPDX-FileCopyrightText: 2019 Yuri Chornoivan <yurchor@ukr.net>
|
|
|
|
SPDX-FileCopyrightText: 2020 Arnaud Ferraris <arnaud.ferraris@collabora.com>
|
|
|
|
SPDX-FileCopyrightText: 2020 Gaël PORTAY <gael.portay@collabora.com>
|
|
|
|
|
|
|
|
SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
*/
|
2015-06-04 01:29:22 +01:00
|
|
|
|
|
|
|
#include "fs/reiser4.h"
|
|
|
|
|
|
|
|
#include "util/capacity.h"
|
|
|
|
#include "util/externalcommand.h"
|
|
|
|
|
2016-05-12 16:37:37 +01:00
|
|
|
#include <QRegularExpression>
|
2019-06-12 17:41:11 +01:00
|
|
|
#include <QStringList>
|
2015-06-04 01:29:22 +01:00
|
|
|
|
|
|
|
namespace FS
|
|
|
|
{
|
2015-07-13 15:16:36 +01:00
|
|
|
FileSystem::CommandSupportType reiser4::m_GetUsed = FileSystem::cmdSupportNone;
|
|
|
|
FileSystem::CommandSupportType reiser4::m_GetLabel = FileSystem::cmdSupportNone;
|
|
|
|
FileSystem::CommandSupportType reiser4::m_Create = FileSystem::cmdSupportNone;
|
|
|
|
FileSystem::CommandSupportType reiser4::m_Move = FileSystem::cmdSupportNone;
|
|
|
|
FileSystem::CommandSupportType reiser4::m_Check = FileSystem::cmdSupportNone;
|
|
|
|
FileSystem::CommandSupportType reiser4::m_Copy = FileSystem::cmdSupportNone;
|
|
|
|
FileSystem::CommandSupportType reiser4::m_Backup = FileSystem::cmdSupportNone;
|
|
|
|
|
2020-03-21 13:18:13 +00:00
|
|
|
reiser4::reiser4(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label, const QVariantMap& features) :
|
2020-01-12 11:54:14 +00:00
|
|
|
FileSystem(firstsector, lastsector, sectorsused, label, features, FileSystem::Type::Reiser4)
|
2015-07-13 15:16:36 +01:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
void reiser4::init()
|
|
|
|
{
|
|
|
|
m_GetLabel = cmdSupportCore;
|
2016-04-21 22:48:05 +01:00
|
|
|
m_GetUsed = findExternal(QStringLiteral("debugfs.reiser4"), {}, 16) ? cmdSupportFileSystem : cmdSupportNone;
|
|
|
|
m_Create = findExternal(QStringLiteral("mkfs.reiser4"), {}, 16) ? cmdSupportFileSystem : cmdSupportNone;
|
|
|
|
m_Check = findExternal(QStringLiteral("fsck.reiser4"), {}, 16) ? cmdSupportFileSystem : cmdSupportNone;
|
2015-07-13 15:16:36 +01:00
|
|
|
m_Move = m_Copy = (m_Check != cmdSupportNone) ? cmdSupportCore : cmdSupportNone;
|
|
|
|
m_Backup = cmdSupportCore;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool reiser4::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 reiser4::supportToolName() const
|
|
|
|
{
|
2019-11-22 13:34:10 +00:00
|
|
|
return SupportTool(QStringLiteral("reiser4progs"), QUrl(QStringLiteral("https://github.com/edward6/reiser4progs")));
|
2015-07-13 15:16:36 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
qint64 reiser4::maxCapacity() const
|
|
|
|
{
|
|
|
|
// looks like it's actually unknown. see
|
2019-11-22 13:34:10 +00:00
|
|
|
// https://en.wikipedia.org/wiki/Comparison_of_file_systems
|
2018-04-09 15:14:34 +01:00
|
|
|
return Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::EiB);
|
2015-07-13 15:16:36 +01:00
|
|
|
}
|
|
|
|
|
2017-09-11 16:52:20 +01:00
|
|
|
int reiser4::maxLabelLength() const
|
2015-07-13 15:16:36 +01:00
|
|
|
{
|
|
|
|
return 16;
|
|
|
|
}
|
|
|
|
|
|
|
|
qint64 reiser4::readUsedCapacity(const QString& deviceNode) const
|
|
|
|
{
|
2016-04-21 22:48:05 +01:00
|
|
|
ExternalCommand cmd(QStringLiteral("debugfs.reiser4"), { deviceNode });
|
2015-07-13 15:16:36 +01:00
|
|
|
|
2016-05-12 16:37:37 +01:00
|
|
|
if (cmd.run(-1) && cmd.exitCode() == 16) {
|
2015-07-13 15:16:36 +01:00
|
|
|
qint64 blocks = -1;
|
2016-05-12 16:37:37 +01:00
|
|
|
QRegularExpression re(QStringLiteral("blocks:\\s+(\\d+)"));
|
|
|
|
QRegularExpressionMatch reBlocks = re.match(cmd.output());
|
2015-07-13 15:16:36 +01:00
|
|
|
|
2016-05-12 16:37:37 +01:00
|
|
|
if (reBlocks.hasMatch())
|
|
|
|
blocks = reBlocks.captured(1).toLongLong();
|
2015-07-13 15:16:36 +01:00
|
|
|
|
|
|
|
qint64 blockSize = -1;
|
2016-05-12 16:37:37 +01:00
|
|
|
re.setPattern(QStringLiteral("blksize:\\s+(\\d+)"));
|
|
|
|
QRegularExpressionMatch reBlockSize = re.match(cmd.output());
|
2015-07-13 15:16:36 +01:00
|
|
|
|
2016-05-12 16:37:37 +01:00
|
|
|
if (reBlockSize.hasMatch())
|
|
|
|
blockSize = reBlockSize.captured(1).toLongLong();
|
2015-07-13 15:16:36 +01:00
|
|
|
|
|
|
|
qint64 freeBlocks = -1;
|
2016-05-12 16:37:37 +01:00
|
|
|
re.setPattern(QStringLiteral("free blocks:\\s+(\\d+)"));
|
|
|
|
QRegularExpressionMatch reFreeBlocks = re.match(cmd.output());
|
2015-07-13 15:16:36 +01:00
|
|
|
|
2016-05-12 16:37:37 +01:00
|
|
|
if (reFreeBlocks.hasMatch())
|
|
|
|
freeBlocks = reFreeBlocks.captured(1).toLongLong();
|
2015-07-13 15:16:36 +01:00
|
|
|
|
|
|
|
if (blocks > - 1 && blockSize > -1 && freeBlocks > -1)
|
|
|
|
return (blocks - freeBlocks) * blockSize;
|
|
|
|
}
|
|
|
|
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool reiser4::check(Report& report, const QString& deviceNode) const
|
|
|
|
{
|
2016-04-21 22:48:05 +01:00
|
|
|
ExternalCommand cmd(report, QStringLiteral("fsck.reiser4"), { QStringLiteral("--yes"), QStringLiteral("--fix"), deviceNode });
|
2015-07-13 15:16:36 +01:00
|
|
|
return cmd.run(-1) && cmd.exitCode() == 0;
|
|
|
|
}
|
|
|
|
|
2016-09-05 12:10:56 +01:00
|
|
|
bool reiser4::create(Report& report, const QString& deviceNode)
|
2015-07-13 15:16:36 +01:00
|
|
|
{
|
2016-04-21 22:48:05 +01:00
|
|
|
ExternalCommand cmd(report, QStringLiteral("mkfs.reiser4"), { QStringLiteral("--yes"), QStringLiteral("--force"), deviceNode });
|
2015-07-13 15:16:36 +01:00
|
|
|
return cmd.run(-1) && cmd.exitCode() == 0;
|
|
|
|
}
|
2015-06-04 01:29:22 +01:00
|
|
|
}
|