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[partition] Simplify and document ClearMounts

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- note that the job indiscriminately closes all LUKS and LV
- don't hang on to lists we don't need
This commit is contained in:
Adriaan de Groot 2021-11-02 11:55:13 +01:00
parent 0253977778
commit 1410157356
2 changed files with 12 additions and 11 deletions
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12
src/modules/partition/jobs/ClearMountsJob.cpp
View File

@ -367,23 +367,17 @@ ClearMountsJob::prettyStatusMessage() const
Calamares::JobResult
ClearMountsJob::exec()
{
CalamaresUtils::Partition::Syncer s;
const QString deviceName = m_deviceNode.split( '/' ).last();
CalamaresUtils::Partition::Syncer s;
QList< MessageAndPath > goodNews;
QProcess process;
const QStringList partitionsList = getPartitionsForDevice( deviceName );
const QStringList swapPartitions = getSwapsForDevice( m_deviceNode );
apply( getCryptoDevices(), tryCryptoClose, goodNews );
apply( getLVMVolumes(), tryUmount, goodNews );
apply( getPVGroups( deviceName ), tryVGDisable, goodNews );
apply( getCryptoDevices(), tryCryptoClose, goodNews );
apply( partitionsList, tryUmount, goodNews );
apply( swapPartitions, tryClearSwap, goodNews );
apply( getPartitionsForDevice( deviceName ), tryUmount, goodNews );
apply( getSwapsForDevice( m_deviceNode ), tryClearSwap, goodNews );
Calamares::JobResult ok = Calamares::JobResult::ok();
ok.setMessage( tr( "Cleared all mounts for %1" ).arg( m_deviceNode ) );

11
src/modules/partition/jobs/ClearMountsJob.h
View File

@ -17,14 +17,21 @@ class Device;
/**
* This job tries to free all mounts for the given device, so partitioning
* operations can proceed.
*
* - partitions on the device are unmounted
* - swap on the device is disabled and cleared
* - physical volumes for LVM on the device are disabled
*
* In addition, regardless of device:
* - all /dev/mapper entries (crypto / LUKS) are closed
* - all logical volumes for LVM are unmounted
*
*/
class ClearMountsJob : public Calamares::Job
{
Q_OBJECT
public:
/** @brief Creates a job freeing mounts on @p device
*
* All /dev/mapper entries are closed, regardless of device.
*
* No ownership is transferred; the @p device is used only to access
* the device node (name).