357 lines
12 KiB
C++
357 lines
12 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 "xfs.h"
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#include "FileSystem.h"
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#include "OperationDetail.h"
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#include "Partition.h"
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#include "Utils.h"
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#include <glibmm/ustring.h>
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#include <glibmm/miscutils.h>
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#include <glibmm/shell.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( 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 = 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("xfs_io").empty())
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{
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// Check for online label support in xfs_io from xfsprogs >= 4.17 and
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// for kernel >= 4.18 before enabling support.
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Utils::execute_command("xfs_io -c help", output, error, true);
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if (output.find("\nlabel") < output.length() && Utils::kernel_version_at_least(4, 18, 0))
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fs.online_write_label = 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 = FS::EXTERNAL;
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fs.create_with_label = 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 = 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 = 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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// From xfsprogs 5.19.0 the smallest creatable file system is 300 MiB.
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fs_limits.min_size = 300 * MEBIBYTE;
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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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exit_status = Utils::execute_command("xfs_db -r -c 'sb 0' -c 'print blocksize' -c 'print dblocks'"
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" -c 'print fdblocks' " + Glib::shell_quote(partition.get_path()),
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output, error, true);
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if (exit_status != 0)
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{
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if (! output.empty())
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partition.push_back_message(output);
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if (! error.empty())
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partition.push_back_message(error);
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return;
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}
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// blocksize
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long long block_size = -1;
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sscanf(output.c_str(), "blocksize = %lld", &block_size);
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// filesystem data blocks
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long long data_blocks = -1;
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Glib::ustring::size_type index = output.find("\ndblocks");
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if (index < output.length())
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sscanf(output.substr(index).c_str(), "\ndblocks = %lld", &data_blocks);
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// free data blocks
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long long free_data_blocks = -1;
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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 = %lld", &free_data_blocks);
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if (block_size > -1 && data_blocks > -1 && free_data_blocks > -1)
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{
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Sector fs_size = data_blocks * block_size / partition.sector_size;
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Sector fs_free = free_data_blocks * block_size / partition.sector_size;
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partition.set_sector_usage(fs_size, fs_free);
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partition.fs_block_size = block_size;
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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' " + Glib::shell_quote( partition.get_path() ),
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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.push_back_message( output );
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if ( ! error .empty() )
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partition.push_back_message( 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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bool empty_label = partition.get_filesystem_label().empty();
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if (partition.busy)
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{
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if (empty_label)
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cmd = "xfs_io -c " + Glib::shell_quote("label -c") + " " + partition.get_mountpoint();
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else
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cmd = "xfs_io -c " + Glib::shell_quote("label -s " + partition.get_filesystem_label()) +
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" " + partition.get_mountpoint();
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execute_command(cmd, operationdetail);
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// In some error situations xfs_io reports exit status zero and writes a
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// failure message to stdout. Therefore determine success based on the
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// output starting with the fixed text, reporting the new label.
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bool success = output.compare(0, 9, "label = \"") == 0;
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set_status(operationdetail, success);
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return success;
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}
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else
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{
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if (empty_label)
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cmd = "xfs_admin -L -- " + Glib::shell_quote(partition.get_path());
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else
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cmd = "xfs_admin -L " + Glib::shell_quote(partition.get_filesystem_label()) +
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" " + partition.get_path();
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return ! execute_command(cmd, operationdetail, EXEC_CHECK_STATUS);
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}
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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 " + Glib::shell_quote( partition.get_path() ),
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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.push_back_message( output );
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if ( ! error .empty() )
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partition.push_back_message( 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 " + Glib::shell_quote( partition.get_path() ),
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operationdetail, EXEC_CHECK_STATUS );
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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 " + Glib::shell_quote( new_partition.get_filesystem_label() ) +
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" " + Glib::shell_quote( new_partition.get_path() ),
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operationdetail,
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EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE );
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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 " + Glib::shell_quote( partition_new.get_path() ) +
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" " + Glib::shell_quote( mount_point ),
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operationdetail, EXEC_CHECK_STATUS );
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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 " + Glib::shell_quote( mount_point ),
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operationdetail, EXEC_CHECK_STATUS );
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if ( ! partition_new .busy )
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success &= ! execute_command( "umount -v " + Glib::shell_quote( mount_point ),
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operationdetail, EXEC_CHECK_STATUS );
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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 -L " + Glib::shell_quote(dest_part.get_filesystem_label()) +
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" -m uuid=" + Glib::shell_quote(dest_part.uuid) +
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" " + Glib::shell_quote(dest_part.get_path()),
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operationdetail, EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE);
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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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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 " + Glib::shell_quote( src_part.get_path() ) +
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" " + Glib::shell_quote( src_mount_point ),
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operationdetail, EXEC_CHECK_STATUS );
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// Get source FS used bytes, needed in progress update calculation
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Byte_Value fs_size;
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Byte_Value fs_free;
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if ( Utils::get_mounted_filesystem_usage( src_mount_point, fs_size, fs_free, error ) == 0 )
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src_used = fs_size - fs_free;
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else
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src_used = -1LL;
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if ( success )
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{
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success &= ! execute_command("mount -v -t xfs -o nouuid " + Glib::shell_quote(dest_part.get_path()) +
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" " + Glib::shell_quote(dest_mount_point),
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operationdetail, EXEC_CHECK_STATUS);
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if ( success )
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{
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const Glib::ustring copy_cmd = "xfsdump -J - " + Glib::shell_quote( src_mount_point ) +
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" | xfsrestore -J - " + Glib::shell_quote( dest_mount_point );
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success &= ! execute_command( "sh -c " + Glib::shell_quote( copy_cmd ),
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operationdetail,
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EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE|EXEC_PROGRESS_TIMED,
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static_cast<TimedSlot>( sigc::mem_fun( *this, &xfs::copy_progress ) ) );
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success &= ! execute_command( "umount -v " + Glib::shell_quote( dest_mount_point ),
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operationdetail, EXEC_CHECK_STATUS );
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}
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success &= ! execute_command( "umount -v " + Glib::shell_quote( src_mount_point ),
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operationdetail, EXEC_CHECK_STATUS );
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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 " + Glib::shell_quote( partition.get_path() ),
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operationdetail, EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE );
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}
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//Private methods
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// Report progress of XFS copy. Monitor destination FS used bytes and track against
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// recorded source FS used bytes.
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bool xfs::copy_progress( OperationDetail * operationdetail )
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{
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if ( src_used <= 0LL )
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{
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operationdetail->stop_progressbar();
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// Failed to get source FS used bytes. Remove this timed callback early.
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return false;
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}
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Byte_Value fs_size;
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Byte_Value fs_free;
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Byte_Value dst_used;
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if ( Utils::get_mounted_filesystem_usage( dest_mount_point, fs_size, fs_free, error ) != 0 )
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{
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operationdetail->stop_progressbar();
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// Failed to get destination FS used bytes. Remove this timed callback early.
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return false;
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}
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dst_used = fs_size - fs_free;
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operationdetail->run_progressbar( (double)dst_used, (double)src_used, PROGRESSBAR_TEXT_COPY_BYTES );
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return true;
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}
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} //GParted
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