269 lines
7.6 KiB
C++
269 lines
7.6 KiB
C++
/* Copyright (C) 2004 Bart
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* Copyright (C) 2008, 2009, 2010 Curtis Gedak
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../include/xfs.h"
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namespace GParted
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{
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FS xfs::get_filesystem_support()
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{
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FS fs ;
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fs .filesystem = GParted::FS_XFS ;
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fs .busy = FS::GPARTED ;
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if ( ! Glib::find_program_in_path( "xfs_db" ) .empty() )
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{
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fs .read = GParted::FS::EXTERNAL ;
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fs .read_label = FS::EXTERNAL ;
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}
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if ( ! Glib::find_program_in_path( "xfs_admin" ) .empty() )
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{
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fs .write_label = FS::EXTERNAL ;
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fs .read_uuid = FS::EXTERNAL ;
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fs .write_uuid = FS::EXTERNAL ;
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}
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if ( ! Glib::find_program_in_path( "mkfs.xfs" ) .empty() )
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{
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fs .create = GParted::FS::EXTERNAL ;
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fs .create_with_label = GParted::FS::EXTERNAL ;
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}
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if ( ! Glib::find_program_in_path( "xfs_repair" ) .empty() )
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fs .check = GParted::FS::EXTERNAL ;
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//Mounted operations require mount, umount and xfs support in the kernel
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if ( ! Glib::find_program_in_path( "mount" ) .empty() &&
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! Glib::find_program_in_path( "umount" ) .empty() &&
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fs .check &&
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Utils::kernel_supports_fs( "xfs" ) )
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{
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//Grow
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if ( ! Glib::find_program_in_path( "xfs_growfs" ) .empty() )
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fs .grow = FS::EXTERNAL ;
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//Copy using xfsdump, xfsrestore
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if ( ! Glib::find_program_in_path( "xfsdump" ) .empty() &&
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! Glib::find_program_in_path( "xfsrestore" ) .empty() &&
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fs .create )
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fs .copy = FS::EXTERNAL ;
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}
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if ( fs .check )
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fs .move = GParted::FS::GPARTED ;
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fs .online_read = FS::GPARTED ;
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#ifdef ENABLE_ONLINE_RESIZE
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if ( Utils::kernel_version_at_least( 3, 6, 0 ) )
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fs .online_grow = fs .grow ;
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#endif
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fs .MIN = 32 * MEBIBYTE ;//official minsize = 16MB, but the smallest xfs_repair can handle is 32MB...
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return fs ;
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}
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void xfs::set_used_sectors( Partition & partition )
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{
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if ( ! Utils::execute_command(
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"xfs_db -c 'sb 0' -c 'print blocksize' -c 'print dblocks' -c 'print fdblocks' -r " + partition .get_path(),
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output,
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error,
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true ) )
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{
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//blocksize
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if ( sscanf( output .c_str(), "blocksize = %Ld", &S ) != 1 )
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S = -1 ;
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//filesystem blocks
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index = output .find( "\ndblocks" ) ;
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if ( index > output .length() ||
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sscanf( output .substr( index ) .c_str(), "\ndblocks = %Ld", &T ) != 1 )
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T = -1 ;
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//free blocks
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index = output .find( "\nfdblocks" ) ;
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if ( index > output .length() ||
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sscanf( output .substr( index ) .c_str(), "\nfdblocks = %Ld", &N ) != 1 )
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N = -1 ;
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if ( T > -1 && N > -1 && S > -1 )
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{
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T = Utils::round( T * ( S / double(partition .sector_size) ) ) ;
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N = Utils::round( N * ( S / double(partition .sector_size) ) ) ;
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partition .set_sector_usage( T, N ) ;
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}
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}
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else
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{
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if ( ! output .empty() )
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partition .messages .push_back( output ) ;
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if ( ! error .empty() )
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partition .messages .push_back( error ) ;
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}
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}
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void xfs::read_label( Partition & partition )
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{
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if ( ! Utils::execute_command( "xfs_db -r -c 'label' " + partition .get_path(), output, error, true ) )
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{
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partition.set_filesystem_label( Utils::regexp_label( output, "^label = \"(.*)\"" ) );
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}
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else
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{
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if ( ! output .empty() )
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partition .messages .push_back( output ) ;
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if ( ! error .empty() )
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partition .messages .push_back( error ) ;
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}
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}
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bool xfs::write_label( const Partition & partition, OperationDetail & operationdetail )
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{
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Glib::ustring cmd = "" ;
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if( partition.get_filesystem_label().empty() )
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cmd = "xfs_admin -L -- " + partition .get_path() ;
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else
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cmd = "xfs_admin -L \"" + partition.get_filesystem_label() + "\" " + partition.get_path();
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return ! execute_command( cmd, operationdetail ) ;
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}
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void xfs::read_uuid( Partition & partition )
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{
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if ( ! Utils::execute_command( "xfs_admin -u " + partition .get_path(), output, error, true ) )
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{
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partition .uuid = Utils::regexp_label( output, "^UUID[[:blank:]]*=[[:blank:]]*(" RFC4122_NONE_NIL_UUID_REGEXP ")" ) ;
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}
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else
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{
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if ( ! output .empty() )
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partition .messages .push_back( output ) ;
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if ( ! error .empty() )
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partition .messages .push_back( error ) ;
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}
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}
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bool xfs::write_uuid( const Partition & partition, OperationDetail & operationdetail )
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{
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return ! execute_command( "xfs_admin -U generate " + partition .get_path(), operationdetail ) ;
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}
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bool xfs::create( const Partition & new_partition, OperationDetail & operationdetail )
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{
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return ! execute_command( "mkfs.xfs -f -L \"" + new_partition.get_filesystem_label() + "\" " +
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new_partition.get_path(),
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operationdetail,
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false,
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true );
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}
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bool xfs::resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition )
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{
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bool success = true ;
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Glib::ustring mount_point ;
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if ( ! partition_new .busy )
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{
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mount_point = mk_temp_dir( "", operationdetail ) ;
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if ( mount_point.empty() )
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return false ;
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success &= ! execute_command( "mount -v -t xfs " + partition_new .get_path() + " " + mount_point,
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operationdetail, true ) ;
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}
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else
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mount_point = partition_new .get_mountpoint() ;
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if ( success )
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{
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success &= ! execute_command( "xfs_growfs " + mount_point, operationdetail, true ) ;
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if ( ! partition_new .busy )
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success &= ! execute_command( "umount -v " + mount_point, operationdetail, true ) ;
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}
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if ( ! partition_new .busy )
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rm_temp_dir( mount_point, operationdetail ) ;
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return success ;
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}
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bool xfs::copy( const Partition & src_part,
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Partition & dest_part,
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OperationDetail & operationdetail )
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{
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bool success = true ;
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success &= ! execute_command( "mkfs.xfs -f " + dest_part.get_path(), operationdetail, true, true );
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if ( ! success )
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return false ;
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Glib::ustring src_mount_point = mk_temp_dir( "src", operationdetail ) ;
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if ( src_mount_point .empty() )
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return false ;
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Glib::ustring dest_mount_point = mk_temp_dir( "dest", operationdetail ) ;
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if ( dest_mount_point .empty() )
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{
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rm_temp_dir( src_mount_point, operationdetail ) ;
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return false ;
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}
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success &= ! execute_command( "mount -v -t xfs -o noatime,ro " + src_part.get_path() +
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" " + src_mount_point, operationdetail, true ) ;
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if ( success )
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{
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success &= ! execute_command( "mount -v -t xfs " + dest_part.get_path() +
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" " + dest_mount_point, operationdetail, true ) ;
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if ( success )
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{
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success &= ! execute_command( "sh -c 'xfsdump -J - " + src_mount_point +
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" | xfsrestore -J - " + dest_mount_point + "'",
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operationdetail, true, true );
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success &= ! execute_command( "umount -v " + dest_part.get_path(), operationdetail, true ) ;
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}
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success &= ! execute_command( "umount -v " + src_part.get_path(), operationdetail, true ) ;
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}
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rm_temp_dir( dest_mount_point, operationdetail ) ;
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rm_temp_dir( src_mount_point, operationdetail ) ;
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return success ;
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}
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bool xfs::check_repair( const Partition & partition, OperationDetail & operationdetail )
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{
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return ! execute_command( "xfs_repair -v " + partition .get_path(), operationdetail,
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false, true );
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}
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} //GParted
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