gparted/src/lvm2_pv.cc

135 lines
4.3 KiB
C++

/* Copyright (C) 2012 Mike Fleetwood
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "FileSystem.h"
#include "LVM2_PV_Info.h"
#include "lvm2_pv.h"
#include "Partition.h"
#include <glibmm/shell.h>
namespace GParted
{
const Glib::ustring & lvm2_pv::get_custom_text( CUSTOM_TEXT ttype, int index ) const
{
/*TO TRANSLATORS: these labels will be used in the partition menu */
static const Glib::ustring activate_text = _( "Ac_tivate" ) ;
static const Glib::ustring deactivate_text = _( "Deac_tivate" ) ;
static const Glib::ustring resize_warning =
_( "The LVM2 Physical Volume can not currently be resized because it is a member of an exported "
"Volume Group." ) ;
static const Glib::ustring empty_text;
switch ( ttype )
{
case CTEXT_ACTIVATE_FILESYSTEM:
return index == 0 ? activate_text : empty_text;
case CTEXT_DEACTIVATE_FILESYSTEM:
return index == 0 ? deactivate_text : empty_text;
case CTEXT_RESIZE_DISALLOWED_WARNING:
return index == 0 ? resize_warning : empty_text;
default:
return empty_text;
}
}
FS lvm2_pv::get_filesystem_support()
{
FS fs( FS_LVM2_PV );
if ( LVM2_PV_Info::is_lvm2_pv_supported() )
{
fs .busy = FS::EXTERNAL ;
fs .read = FS::EXTERNAL ;
fs .create = FS::EXTERNAL ;
fs .grow = FS::EXTERNAL ;
fs .shrink = FS::EXTERNAL ;
fs .move = FS::GPARTED ;
fs .check = FS::EXTERNAL ;
fs .remove = FS::EXTERNAL ;
fs .online_read = FS::EXTERNAL ;
#ifdef ENABLE_ONLINE_RESIZE
if ( Utils::kernel_version_at_least( 3, 6, 0 ) )
{
fs .online_grow = fs .grow ;
fs .online_shrink = fs.shrink ;
}
#endif
}
return fs ;
}
bool lvm2_pv::is_busy( const Glib::ustring & path )
{
return LVM2_PV_Info::has_active_lvs( path );
}
void lvm2_pv::set_used_sectors( Partition & partition )
{
T = (Sector) LVM2_PV_Info::get_size_bytes( partition.get_path() );
N = (Sector) LVM2_PV_Info::get_free_bytes( partition.get_path() );
if ( T > -1 && N > -1 )
{
T = Utils::round( T / double(partition .sector_size) ) ;
N = Utils::round( N / double(partition .sector_size) ) ;
partition .set_sector_usage( T, N ) ;
}
std::vector<Glib::ustring> error_messages = LVM2_PV_Info::get_error_messages( partition.get_path() );
partition.append_messages( error_messages );
}
bool lvm2_pv::create( const Partition & new_partition, OperationDetail & operationdetail )
{
return ! execute_command( "lvm pvcreate -M 2 " + Glib::shell_quote( new_partition.get_path() ),
operationdetail, EXEC_CHECK_STATUS );
}
bool lvm2_pv::resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition )
{
Glib::ustring size = "" ;
if ( ! fill_partition )
size = " --yes --setphysicalvolumesize " +
Utils::num_to_str( floor( Utils::sector_to_unit(
partition_new .get_sector_length(), partition_new .sector_size, UNIT_KIB ) ) ) + "K " ;
return ! execute_command( "lvm pvresize -v " + size + Glib::shell_quote( partition_new.get_path() ),
operationdetail, EXEC_CHECK_STATUS );
}
bool lvm2_pv::check_repair( const Partition & partition, OperationDetail & operationdetail )
{
return ! execute_command( "lvm pvck -v " + Glib::shell_quote( partition.get_path() ),
operationdetail, EXEC_CHECK_STATUS );
}
bool lvm2_pv::remove( const Partition & partition, OperationDetail & operationdetail )
{
const Glib::ustring& vgname = LVM2_PV_Info::get_vg_name(partition.get_path());
Glib::ustring cmd ;
if ( vgname .empty() )
cmd = "lvm pvremove " + Glib::shell_quote( partition.get_path() );
else
//Must force the removal of a PV which is a member of a VG
cmd = "lvm pvremove --force --force --yes " + Glib::shell_quote( partition.get_path() );
return ! execute_command( cmd, operationdetail, EXEC_CHECK_STATUS );
}
} //GParted