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[partition] Allow exceptions when closing /dev/mapper

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- some names should not be closed, like "control"
- allow a list of names to be added which should not be closed
This commit is contained in:
Adriaan de Groot 2021-11-02 15:26:25 +01:00
parent 1410157356
commit 7b45793b60
2 changed files with 15 additions and 5 deletions
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8
src/modules/partition/jobs/ClearMountsJob.cpp
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@ -127,7 +127,7 @@ isFedoraSpecial( const QString& baseName )
* the list.
*/
STATICTEST QStringList
getCryptoDevices()
getCryptoDevices( const QStringList& mapperExceptions )
{
QDir mapperDir( "/dev/mapper" );
const QFileInfoList fiList = mapperDir.entryInfoList( QDir::Files );
@ -135,7 +135,7 @@ getCryptoDevices()
for ( const QFileInfo& fi : fiList )
{
QString baseName = fi.baseName();
if ( isControl( baseName ) || isFedoraSpecial( baseName ) )
if ( isControl( baseName ) || isFedoraSpecial( baseName ) || mapperExceptions.contains( baseName ) )
{
continue;
}
@ -371,11 +371,11 @@ ClearMountsJob::exec()
CalamaresUtils::Partition::Syncer s;
QList< MessageAndPath > goodNews;
apply( getCryptoDevices(), tryCryptoClose, goodNews );
apply( getCryptoDevices( m_mapperExceptions ), tryCryptoClose, goodNews );
apply( getLVMVolumes(), tryUmount, goodNews );
apply( getPVGroups( deviceName ), tryVGDisable, goodNews );
apply( getCryptoDevices(), tryCryptoClose, goodNews );
apply( getCryptoDevices( m_mapperExceptions ), tryCryptoClose, goodNews );
apply( getPartitionsForDevice( deviceName ), tryUmount, goodNews );
apply( getSwapsForDevice( m_deviceNode ), tryClearSwap, goodNews );

12
src/modules/partition/jobs/ClearMountsJob.h
View file

@ -23,8 +23,14 @@ class Device;
* - physical volumes for LVM on the device are disabled
*
* In addition, regardless of device:
* - all /dev/mapper entries (crypto / LUKS) are closed
* - almost all(*) /dev/mapper entries (crypto / LUKS, also LVM) are closed
* - all logical volumes for LVM are unmounted
* Exceptions to "all /dev/mapper" may be configured through
* the setMapperExceptions() method. Pass in names of mapper
* files that should not be closed (e.g. "myvg-mylv").
*
* (*) Some exceptions always exist: /dev/mapper/control is never
* closed. /dev/mapper/live-* is never closed.
*
*/
class ClearMountsJob : public Calamares::Job
@ -42,8 +48,12 @@ public:
QString prettyStatusMessage() const override;
Calamares::JobResult exec() override;
///@brief Sets the list of exceptions (names) when closing /dev/mapper
void setMapperExceptions( const QStringList& names ) { m_mapperExceptions = names; }
private:
const QString m_deviceNode;
QStringList m_mapperExceptions;
};
#endif // CLEARMOUNTSJOB_H