217 lines
6.7 KiB
C++
217 lines
6.7 KiB
C++
/* Copyright (C) 2004 Bart
|
|
* Copyright (C) 2008, 2009, 2010 Curtis Gedak
|
|
*
|
|
* 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 "jfs.h"
|
|
#include "FileSystem.h"
|
|
#include "Partition.h"
|
|
|
|
namespace GParted
|
|
{
|
|
|
|
FS jfs::get_filesystem_support()
|
|
{
|
|
FS fs( FS_JFS );
|
|
|
|
fs .busy = FS::GPARTED ;
|
|
|
|
if ( ! Glib::find_program_in_path( "jfs_debugfs" ) .empty() ) {
|
|
fs.read = FS::EXTERNAL;
|
|
}
|
|
|
|
if ( ! Glib::find_program_in_path( "jfs_tune" ) .empty() ) {
|
|
fs .read_label = FS::EXTERNAL ;
|
|
fs .write_label = FS::EXTERNAL ;
|
|
fs .read_uuid = FS::EXTERNAL ;
|
|
fs .write_uuid = FS::EXTERNAL ;
|
|
}
|
|
|
|
if ( ! Glib::find_program_in_path( "mkfs.jfs" ) .empty() )
|
|
{
|
|
fs.create = FS::EXTERNAL;
|
|
fs.create_with_label = FS::EXTERNAL;
|
|
}
|
|
|
|
if ( ! Glib::find_program_in_path( "jfs_fsck" ) .empty() )
|
|
fs.check = FS::EXTERNAL;
|
|
|
|
//resizing of jfs requires mount, unmount, check/repair functionality and jfs support in the kernel
|
|
if ( ! Glib::find_program_in_path( "mount" ) .empty() &&
|
|
! Glib::find_program_in_path( "umount" ) .empty() &&
|
|
fs .check &&
|
|
Utils::kernel_supports_fs( "jfs" ) )
|
|
{
|
|
fs.grow = FS::EXTERNAL;
|
|
}
|
|
|
|
if ( fs .check )
|
|
{
|
|
fs.move = FS::GPARTED;
|
|
fs.copy = FS::GPARTED;
|
|
}
|
|
|
|
fs .online_read = FS::GPARTED ;
|
|
#ifdef ENABLE_ONLINE_RESIZE
|
|
if ( Utils::kernel_version_at_least( 3, 6, 0 ) )
|
|
fs .online_grow = fs .grow ;
|
|
#endif
|
|
|
|
fs_limits.min_size = 16 * MEBIBYTE;
|
|
|
|
return fs ;
|
|
}
|
|
|
|
void jfs::set_used_sectors( Partition & partition )
|
|
{
|
|
const Glib::ustring jfs_debug_cmd = "jfs_debugfs " + Glib::shell_quote( partition.get_path() );
|
|
if ( ! Utils::execute_command( jfs_debug_cmd, "dm\n", output, error, true ) )
|
|
{
|
|
//blocksize
|
|
Glib::ustring::size_type index = output.find( "Block Size:" );
|
|
if ( index >= output .length() ||
|
|
sscanf( output.substr( index ).c_str(), "Block Size: %lld", &S ) != 1 )
|
|
S = -1 ;
|
|
|
|
//total blocks
|
|
index = output .find( "dn_mapsize:" ) ;
|
|
if ( index >= output .length() ||
|
|
sscanf( output.substr( index ).c_str(), "dn_mapsize: %llx", &T ) != 1 )
|
|
T = -1 ;
|
|
|
|
//free blocks
|
|
index = output .find( "dn_nfree:" ) ;
|
|
if ( index >= output .length() ||
|
|
sscanf( output.substr( index ).c_str(), "dn_nfree: %llx", &N ) != 1 )
|
|
N = -1 ;
|
|
|
|
if ( T > -1 && N > -1 && S > -1 )
|
|
{
|
|
T = Utils::round( T * ( S / double(partition .sector_size) ) ) ;
|
|
N = Utils::round( N * ( S / double(partition .sector_size) ) ) ;
|
|
partition .set_sector_usage( T, N ) ;
|
|
partition.fs_block_size = S;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ( ! output .empty() )
|
|
partition.push_back_message( output );
|
|
|
|
if ( ! error .empty() )
|
|
partition.push_back_message( error );
|
|
}
|
|
}
|
|
|
|
void jfs::read_label( Partition & partition )
|
|
{
|
|
if ( ! Utils::execute_command( "jfs_tune -l " + Glib::shell_quote( partition.get_path() ),
|
|
output, error, true ) )
|
|
{
|
|
partition.set_filesystem_label( Utils::regexp_label( output, "^Volume label:[\t ]*'(.*)'" ) );
|
|
}
|
|
else
|
|
{
|
|
if ( ! output .empty() )
|
|
partition.push_back_message( output );
|
|
|
|
if ( ! error .empty() )
|
|
partition.push_back_message( error );
|
|
}
|
|
}
|
|
|
|
bool jfs::write_label( const Partition & partition, OperationDetail & operationdetail )
|
|
{
|
|
return ! execute_command( "jfs_tune -L " + Glib::shell_quote( partition.get_filesystem_label() ) +
|
|
" " + Glib::shell_quote( partition.get_path() ),
|
|
operationdetail, EXEC_CHECK_STATUS );
|
|
}
|
|
|
|
void jfs::read_uuid( Partition & partition )
|
|
{
|
|
if ( ! Utils::execute_command( "jfs_tune -l " + Glib::shell_quote( partition.get_path() ),
|
|
output, error, true ) )
|
|
{
|
|
partition .uuid = Utils::regexp_label( output, "^File system UUID:[[:blank:]]*(" RFC4122_NONE_NIL_UUID_REGEXP ")" ) ;
|
|
}
|
|
else
|
|
{
|
|
if ( ! output .empty() )
|
|
partition.push_back_message( output );
|
|
|
|
if ( ! error .empty() )
|
|
partition.push_back_message( error );
|
|
}
|
|
}
|
|
|
|
bool jfs::write_uuid( const Partition & partition, OperationDetail & operationdetail )
|
|
{
|
|
return ! execute_command( "jfs_tune -U random " + Glib::shell_quote( partition.get_path() ),
|
|
operationdetail, EXEC_CHECK_STATUS );
|
|
}
|
|
|
|
bool jfs::create( const Partition & new_partition, OperationDetail & operationdetail )
|
|
{
|
|
return ! execute_command( "mkfs.jfs -q -L " + Glib::shell_quote( new_partition.get_filesystem_label() ) +
|
|
" " + Glib::shell_quote( new_partition.get_path() ),
|
|
operationdetail, EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE );
|
|
}
|
|
|
|
bool jfs::resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition )
|
|
{
|
|
bool success = true ;
|
|
|
|
Glib::ustring mount_point ;
|
|
if ( ! partition_new .busy )
|
|
{
|
|
mount_point = mk_temp_dir( "", operationdetail ) ;
|
|
if ( mount_point .empty() )
|
|
return false ;
|
|
success &= ! execute_command( "mount -v -t jfs " + Glib::shell_quote( partition_new.get_path() ) +
|
|
" " + Glib::shell_quote( mount_point ),
|
|
operationdetail, EXEC_CHECK_STATUS );
|
|
}
|
|
else
|
|
mount_point = partition_new .get_mountpoint() ;
|
|
|
|
if ( success )
|
|
{
|
|
success &= ! execute_command( "mount -v -t jfs -o remount,resize " +
|
|
Glib::shell_quote( partition_new.get_path() ) +
|
|
" " + Glib::shell_quote( mount_point ),
|
|
operationdetail, EXEC_CHECK_STATUS );
|
|
|
|
if ( ! partition_new .busy )
|
|
success &= ! execute_command( "umount -v " + Glib::shell_quote( mount_point ),
|
|
operationdetail, EXEC_CHECK_STATUS );
|
|
}
|
|
|
|
if ( ! partition_new .busy )
|
|
rm_temp_dir( mount_point, operationdetail ) ;
|
|
|
|
return success ;
|
|
}
|
|
|
|
bool jfs::check_repair( const Partition & partition, OperationDetail & operationdetail )
|
|
{
|
|
exit_status = execute_command( "jfs_fsck -f " + Glib::shell_quote( partition.get_path() ),
|
|
operationdetail, EXEC_CANCEL_SAFE );
|
|
bool success = ( exit_status == 0 || exit_status == 1 );
|
|
set_status( operationdetail, success );
|
|
return success;
|
|
}
|
|
|
|
} //GParted
|