Enhanced dmraid partition deletion
svn path=/trunk/; revision=1098
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@ -1,5 +1,9 @@
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2009-03-16 Curtis Gedak <gedakc@gmail.com>
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* include/DMRaid.h: Enhanced dmraid partition deletion.
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- Handle partition names with or without a 'p' between the
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device name and the partition number.
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* include/GParted_Core.h,
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src/GParted_Core.cc: Improved swap and dmraid mountpoint detection.
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@ -48,10 +48,11 @@ public:
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~DMRaid() ;
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bool is_dmraid_supported() ;
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bool is_dmraid_device( const Glib::ustring & dev_path ) ;
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int execute_command( const Glib::ustring & command, OperationDetail & operationdetail ) ;
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void get_devices( std::vector<Glib::ustring> & dmraid_devices ) ;
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Glib::ustring get_dmraid_name( const Glib::ustring & dev_path ) ;
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Glib::ustring get_dmraid_prefix( const Glib::ustring & dev_path ) ;
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int execute_command( const Glib::ustring & command, OperationDetail & operationdetail ) ;
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int get_partition_number( const Glib::ustring & partition_name ) ;
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bool create_dev_map_entries( const Partition & partition, OperationDetail & operationdetail ) ;
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bool create_dev_map_entries( const Glib::ustring & dev_path ) ;
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bool delete_affected_dev_map_entries( const Partition & partition, OperationDetail & operationdetail ) ;
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@ -65,6 +66,7 @@ private:
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void set_commands_found() ;
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void get_dmraid_dir_entries( const Glib::ustring & dev_path, std::vector<Glib::ustring> & dir_list ) ;
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void get_affected_dev_map_entries( const Partition & partition, std::vector<Glib::ustring> & affected_entries ) ;
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void get_partition_dev_map_entries( const Partition & partition, std::vector<Glib::ustring> & partition_entries ) ;
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static bool dmraid_cache_initialized ;
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static bool dmraid_found ;
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static bool dmsetup_found ;
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@ -187,6 +187,12 @@ void DMRaid::get_dmraid_dir_entries( const Glib::ustring & dev_path, std::vector
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}
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}
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int DMRaid::get_partition_number( const Glib::ustring & partition_name )
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{
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Glib::ustring dmraid_name = get_dmraid_name( partition_name ) ;
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return std::atoi( Utils::regexp_label( partition_name, dmraid_name + "p?([0-9]+)" ) .c_str() ) ;
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}
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bool DMRaid::create_dev_map_entries( const Partition & partition, OperationDetail & operationdetail )
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{
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//Create all missing dev mapper entries for a specified device.
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@ -234,33 +240,46 @@ void DMRaid::get_affected_dev_map_entries( const Partition & partition, std::vec
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{
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//Build list of affected /dev/mapper entries when a partition is to be deleted.
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//Retrieve list of matching directory entries
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std::vector<Glib::ustring> dir_list ;
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get_dmraid_dir_entries( partition .device_path, dir_list );
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//All partition numbers equal to the number of the partition to be deleted
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// will be affected.
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// Also, if the partition is inside an extended partition, then all logical
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// partition numbers greater than the number of the partition to be deleted
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// will be affected.
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Glib::ustring dmraid_name = get_dmraid_name( partition .device_path ) ;
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Glib::ustring regexp = "^" + DEV_MAP_PATH + "(.*)$" ;
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Glib::ustring partition_name = Utils::regexp_label( partition .get_path(), regexp ) ;
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affected_entries .push_back( partition_name ) ;
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if ( partition .inside_extended )
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for ( unsigned int k=0; k < dir_list .size(); k++ )
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{
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std::vector<Glib::ustring> dir_list ;
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//Retrieve list of matching directory entries
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get_dmraid_dir_entries( partition .device_path, dir_list );
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Glib::ustring dmraid_name = get_dmraid_name( partition .device_path ) ;
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//All logical partition numbers greater than the partition to be deleted will be affected
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for ( unsigned int k=0; k < dir_list .size(); k++ )
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if ( Utils::regexp_label( dir_list[k], "^(" + dmraid_name + ")" ) == dmraid_name )
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{
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if ( Utils::regexp_label( dir_list[k], "^(" + dmraid_name + ")" ) == dmraid_name )
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{
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if ( std::atoi( Utils::regexp_label( dir_list[k],
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dmraid_name + "p?([0-9]+)"
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) .c_str()
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) > partition .partition_number
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)
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int dir_part_num = get_partition_number( dir_list[k] ) ;
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if ( dir_part_num == partition .partition_number ||
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( partition .inside_extended && dir_part_num > partition .partition_number )
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)
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affected_entries .push_back( dir_list[k] ) ;
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}
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}
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}
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}
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void DMRaid::get_partition_dev_map_entries( const Partition & partition, std::vector<Glib::ustring> & partition_entries )
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{
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//Build list of all /dev/mapper entries for a partition.
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//Retrieve list of matching directory entries
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std::vector<Glib::ustring> dir_list ;
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get_dmraid_dir_entries( partition .device_path, dir_list );
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//Retrieve all partition numbers equal to the number of the partition.
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Glib::ustring dmraid_name = get_dmraid_name( partition .device_path ) ;
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for ( unsigned int k=0; k < dir_list .size(); k++ )
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{
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if ( Utils::regexp_label( dir_list[k], "^(" + dmraid_name + ")" ) == dmraid_name )
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{
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int dir_part_num = get_partition_number( dir_list[k] ) ;
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if ( dir_part_num == partition .partition_number )
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partition_entries .push_back( dir_list[k] ) ;
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}
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}
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}
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@ -293,14 +312,22 @@ bool DMRaid::delete_affected_dev_map_entries( const Partition & partition, Opera
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bool DMRaid::delete_dev_map_entry( const Partition & partition, OperationDetail & operationdetail )
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{
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//Delete a single dev mapper entry
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//Delete a single partition which may be represented by multiple dev mapper entries
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bool exit_status = true ; //assume success
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/*TO TRANSLATORS: looks like delete /dev/mapper entry */
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Glib::ustring tmp = String::ucompose ( _("delete %1 entry"), DEV_MAP_PATH ) ;
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operationdetail .add_child( OperationDetail( tmp ) );
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Glib::ustring command = "dmsetup remove " + partition .get_path() ;
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bool exit_status = ! execute_command( command, operationdetail .get_last_child() ) ;
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std::vector<Glib::ustring> partition_entries ;
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get_partition_dev_map_entries( partition, partition_entries ) ;
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for ( unsigned int k = 0; k < partition_entries .size(); k++ )
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{
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Glib::ustring command = "dmsetup remove " + partition_entries[k] ;
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if ( execute_command( command, operationdetail .get_last_child() ) )
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exit_status = false ; //command failed
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}
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operationdetail .get_last_child() .set_status( exit_status ? STATUS_SUCCES : STATUS_ERROR ) ;
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