File indexing completed on 2024-04-28 05:45:53 

0001 /*
0002     SPDX-FileCopyrightText: 2008-2010 Volker Lanz <vl@fidra.de>
0003     SPDX-FileCopyrightText: 2012-2018 Andrius Štikonas <andrius@stikonas.eu>
0004     SPDX-FileCopyrightText: 2016 Chantara Tith <tith.chantara@gmail.com>
0005 
0006     SPDX-License-Identifier: GPL-3.0-or-later
0007 */
0008 
0009 #include "jobs/deletefilesystemjob.h"
0010 
0011 #include "backend/corebackend.h"
0012 #include "backend/corebackendmanager.h"
0013 #include "backend/corebackenddevice.h"
0014 #include "backend/corebackendpartitiontable.h"
0015 
0016 #include "core/partition.h"
0017 #include "core/device.h"
0018 
0019 #include "util/helpers.h"
0020 #include "util/report.h"
0021 
0022 #include <QDebug>
0023 
0024 #include <KLocalizedString>
0025 
0026 /** Creates a new DeleteFileSystemJob
0027     @param d the Device the FileSystem to delete is on
0028     @param p the Partition the FileSystem to delete is on
0029 */
0030 DeleteFileSystemJob::DeleteFileSystemJob(Device& d, Partition& p) :
0031     Job(),
0032     m_Device(d),
0033     m_Partition(p)
0034 {
0035 }
0036 
0037 bool DeleteFileSystemJob::run(Report& parent)
0038 {
0039     Q_ASSERT(device().deviceNode() == partition().devicePath());
0040 
0041     if (device().deviceNode() != partition().devicePath()) {
0042         qWarning() << "deviceNode: " << device().deviceNode() << ", partition path: " << partition().devicePath();
0043         return false;
0044     }
0045 
0046     bool rval = false;
0047 
0048     Report* report = jobStarted(parent);
0049 
0050     if (isMounted(partition().partitionPath())) {
0051         report->line() << xi18nc("@info:progress", "Could not delete file system: file system on <filename>%1</filename> is mounted.", partition().deviceNode());
0052         jobFinished(*report, rval);
0053         return false;
0054     }
0055 
0056     if (partition().roles().has(PartitionRole::Extended)) {
0057         rval = true;
0058     } else if (device().type() == Device::Type::LVM_Device) {
0059         rval = true;
0060     }
0061     else {
0062         if (!partition().fileSystem().remove(*report, partition().deviceNode())) {
0063             jobFinished(*report, rval);
0064             return false;
0065         }
0066 
0067         std::unique_ptr<CoreBackendDevice> backendDevice = CoreBackendManager::self()->backend()->openDevice(device());
0068 
0069         if (backendDevice) {
0070             std::unique_ptr<CoreBackendPartitionTable> backendPartitionTable = backendDevice->openPartitionTable();
0071 
0072             if (backendPartitionTable) {
0073                 rval = backendPartitionTable->clobberFileSystem(*report, partition());
0074 
0075                 if (!rval)
0076                     report->line() << xi18nc("@info:progress", "Could not delete file system on <filename>%1</filename>.", partition().deviceNode());
0077                 else
0078                     backendPartitionTable->commit();
0079             } else
0080                 report->line() << xi18nc("@info:progress", "Could not open partition table on device <filename>%1</filename> to delete file system on <filename>%2</filename>.", device().deviceNode(), partition().deviceNode());
0081 
0082         } else
0083             report->line() << xi18nc("@info:progress", "Could not delete file system signature for partition <filename>%1</filename>: Failed to open device <filename>%2</filename>.", partition().deviceNode(), device().deviceNode());
0084     }
0085 
0086     jobFinished(*report, rval);
0087 
0088     return rval;
0089 }
0090 
0091 QString DeleteFileSystemJob::description() const
0092 {
0093     return xi18nc("@info:progress", "Delete file system on <filename>%1</filename>", partition().deviceNode());
0094 }