150 lines
4.7 KiB
C++
150 lines
4.7 KiB
C++
/* Copyright (C) 2013 Patrick Verner <exodusrobot@yahoo.com>
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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 "f2fs.h"
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#include "FileSystem.h"
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#include "Partition.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 f2fs::get_filesystem_support()
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{
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FS fs( FS_F2FS );
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fs .busy = FS::GPARTED ;
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if (! Glib::find_program_in_path("dump.f2fs").empty())
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fs.read = FS::EXTERNAL;
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if ( ! Glib::find_program_in_path( "mkfs.f2fs" ) .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("fsck.f2fs").empty())
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fs.check = FS::EXTERNAL;
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if (! Glib::find_program_in_path("resize.f2fs").empty())
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fs.grow = FS::EXTERNAL;
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fs .copy = FS::GPARTED ;
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fs .move = FS::GPARTED ;
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fs .online_read = FS::GPARTED ;
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return fs ;
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}
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void f2fs::set_used_sectors(Partition & partition)
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{
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exit_status = Utils::execute_command("dump.f2fs -d 1 " + 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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// used FS blocks
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long long user_block_count = -1;
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Glib::ustring::size_type index = output.find("user_block_count");
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if (index < output.length())
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sscanf(output.substr(index).c_str(), "user_block_count [0x %*x : %lld]", &user_block_count);
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// total FS blocks
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long long valid_block_count = -1;
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index = output.find("valid_block_count");
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if (index < output.length())
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sscanf(output.substr(index).c_str(), "valid_block_count [0x %*x : %lld]", &valid_block_count);
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// log2 of FS block size
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long long log_blocksize = -1;
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index = output.find("log_blocksize");
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if (index < output.length())
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sscanf(output.substr(index).c_str(), "log_blocksize [0x %*x : %lld]", &log_blocksize);
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// FS "sector" size
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long long fs_sector_size = -1;
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index = output.find("Info: sector size =");
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if (index < output.length())
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sscanf(output.substr(index).c_str(), "Info: sector size = %lld", &fs_sector_size);
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// FS size in "sectors"
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long long total_fs_sectors = -1;
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index = output.find("Info: total FS sectors =");
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if (index < output.length())
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sscanf(output.substr(index).c_str(), "Info: total FS sectors = %lld", &total_fs_sectors);
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if (user_block_count > -1 && valid_block_count > -1 && log_blocksize > -1)
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{
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long long blocksize = 1 << log_blocksize;
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long long fs_free_bytes = (user_block_count - valid_block_count) * blocksize;
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Sector fs_free_sectors = fs_free_bytes / partition.sector_size;
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// dump.f2fs < 1.5.0 doesn't report "total FS sectors" so leave
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// fs_size_sectors = -1 for unknown.
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Sector fs_size_sectors = -1;
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if (fs_sector_size > -1 && total_fs_sectors > -1)
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{
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long long fs_size_bytes = total_fs_sectors * fs_sector_size;
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fs_size_sectors = fs_size_bytes / partition.sector_size;
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}
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partition.set_sector_usage(fs_size_sectors, fs_free_sectors);
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partition.fs_block_size = blocksize;
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}
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}
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bool f2fs::create( const Partition & new_partition, OperationDetail & operationdetail )
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{
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return ! execute_command( "mkfs.f2fs -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, EXEC_CHECK_STATUS );
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}
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bool f2fs::resize(const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition)
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{
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Glib::ustring size = "";
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if (! fill_partition)
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// resize.f2fs works in sector size units of whatever device the file
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// system is currently stored on.
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size = "-t " + Utils::num_to_str(partition_new.get_sector_length()) + " ";
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return ! execute_command("resize.f2fs " + size + Glib::shell_quote(partition_new.get_path()),
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operationdetail, EXEC_CHECK_STATUS);
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}
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bool f2fs::check_repair(const Partition & partition, OperationDetail & operationdetail)
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{
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return ! execute_command("fsck.f2fs -f -a " + 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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} //GParted
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