File indexing completed on 2024-05-05 05:48:48

0001 /*
0002     SPDX-FileCopyrightText: 2010 Volker Lanz <vl@fidra.de>
0003     SPDX-FileCopyrightText: 2012-2018 Andrius Štikonas <andrius@stikonas.eu>
0004     SPDX-FileCopyrightText: 2019 Yuri Chornoivan <yurchor@ukr.net>
0005     SPDX-FileCopyrightText: 2020 Arnaud Ferraris <arnaud.ferraris@collabora.com>
0006     SPDX-FileCopyrightText: 2020 Gaël PORTAY <gael.portay@collabora.com>
0007 
0008     SPDX-License-Identifier: GPL-3.0-or-later
0009 */
0010 
0011 #include "fs/zfs.h"
0012 
0013 #include "util/externalcommand.h"
0014 #include "util/capacity.h"
0015 #include "util/report.h"
0016 
0017 #include <QString>
0018 
0019 namespace FS
0020 {
0021 FileSystem::CommandSupportType zfs::m_GetUsed = FileSystem::cmdSupportNone;
0022 FileSystem::CommandSupportType zfs::m_GetLabel = FileSystem::cmdSupportNone;
0023 FileSystem::CommandSupportType zfs::m_Create = FileSystem::cmdSupportNone;
0024 FileSystem::CommandSupportType zfs::m_Grow = FileSystem::cmdSupportNone;
0025 FileSystem::CommandSupportType zfs::m_Shrink = FileSystem::cmdSupportNone;
0026 FileSystem::CommandSupportType zfs::m_Move = FileSystem::cmdSupportNone;
0027 FileSystem::CommandSupportType zfs::m_Check = FileSystem::cmdSupportNone;
0028 FileSystem::CommandSupportType zfs::m_Copy = FileSystem::cmdSupportNone;
0029 FileSystem::CommandSupportType zfs::m_Backup = FileSystem::cmdSupportNone;
0030 FileSystem::CommandSupportType zfs::m_SetLabel = FileSystem::cmdSupportNone;
0031 FileSystem::CommandSupportType zfs::m_UpdateUUID = FileSystem::cmdSupportNone;
0032 FileSystem::CommandSupportType zfs::m_GetUUID = FileSystem::cmdSupportNone;
0033 
0034 zfs::zfs(qint64 firstsector, qint64 lastsector, qint64 sectorsused, const QString& label, const QVariantMap& features) :
0035     FileSystem(firstsector, lastsector, sectorsused, label, features, FileSystem::Type::Zfs)
0036 {
0037 }
0038 
0039 void zfs::init()
0040 {
0041     m_SetLabel = findExternal(QStringLiteral("zpool"), {}, 2) ? cmdSupportFileSystem : cmdSupportNone;
0042 
0043     m_GetLabel = cmdSupportCore;
0044     m_Backup = cmdSupportCore;
0045     m_GetUUID = cmdSupportCore;
0046 }
0047 
0048 bool zfs::supportToolFound() const
0049 {
0050     return
0051 //          m_GetUsed != cmdSupportNone &&
0052         m_GetLabel != cmdSupportNone &&
0053         m_SetLabel != cmdSupportNone &&
0054 //          m_Create != cmdSupportNone &&
0055 //          m_Check != cmdSupportNone &&
0056 //          m_UpdateUUID != cmdSupportNone &&
0057 //          m_Grow != cmdSupportNone &&
0058 //          m_Shrink != cmdSupportNone &&
0059 //          m_Copy != cmdSupportNone &&
0060 //          m_Move != cmdSupportNone &&
0061         m_Backup != cmdSupportNone &&
0062         m_GetUUID != cmdSupportNone;
0063 }
0064 
0065 FileSystem::SupportTool zfs::supportToolName() const
0066 {
0067     return SupportTool(QStringLiteral("zfs"), QUrl(QStringLiteral("https://zfsonlinux.org/")));
0068 }
0069 
0070 qint64 zfs::minCapacity() const
0071 {
0072     return 64 * Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::MiB);
0073 }
0074 
0075 qint64 zfs::maxCapacity() const
0076 {
0077     return Capacity::unitFactor(Capacity::Unit::Byte, Capacity::Unit::EiB);
0078 }
0079 
0080 bool zfs::writeLabel(Report& report, const QString& deviceNode, const QString& newLabel)
0081 {
0082     Q_UNUSED(deviceNode)
0083     ExternalCommand cmd1(report, QStringLiteral("zpool"), { QStringLiteral("export"), label() });
0084     ExternalCommand cmd2(report, QStringLiteral("zpool"), { QStringLiteral("import"), label(), newLabel });
0085     return cmd1.run(-1) && cmd1.exitCode() == 0 && cmd2.run(-1) && cmd2.exitCode() == 0;
0086 }
0087 }