gparted r1004 - in trunk: . include src
- From: gedakc svn gnome org
- To: svn-commits-list gnome org
- Subject: gparted r1004 - in trunk: . include src
- Date: Thu, 18 Dec 2008 22:07:06 +0000 (UTC)
Author: gedakc
Date: Thu Dec 18 22:07:06 2008
New Revision: 1004
URL: http://svn.gnome.org/viewvc/gparted?rev=1004&view=rev
Log:
Created 2 files to support ext4 operations.
Support for ext4 is planned for version 2.6.28 of the Linux kernel.
Added:
trunk/include/ext4.h
trunk/src/ext4.cc
Modified:
trunk/AUTHORS
trunk/ChangeLog
trunk/include/Makefile.am
trunk/src/Makefile.am
Modified: trunk/AUTHORS
==============================================================================
--- trunk/AUTHORS (original)
+++ trunk/AUTHORS Thu Dec 18 22:07:06 2008
@@ -12,10 +12,11 @@
We need to keep track of copyright (see the Maintainer HOWTO on www.gnu.org).
Curtis Gedak <gedakc users sourceforge net>
+ * Created ext4.h, ext4.cc to support ext4 file systems
* Created FS_Info.h, FS_Info.cc
* Rewrote read_label functionality for hfs
* Wrote create, read_label, and check_repair functionality for hfs+
- * Wrote read_label functionality for fat16 and fat32 filesystems
+ * Wrote read_label functionality for fat16 and fat32 file systems
* Wrote following Utils:: methods:
regexp_label(), fat_compliant_label(),
create_mtoolsrc_file(), delete_mtoolsrc_file,
Modified: trunk/include/Makefile.am
==============================================================================
--- trunk/include/Makefile.am (original)
+++ trunk/include/Makefile.am Thu Dec 18 22:07:06 2008
@@ -14,7 +14,7 @@
DialogManageFlags.h \
DrawingAreaVisualDisk.h \
FileSystem.h \
- Frame_Resizer_Base.h \
+ Frame_Resizer_Base.h \
Frame_Resizer_Extended.h \
FS_Info.h \
GParted_Core.h \
@@ -28,19 +28,20 @@
OperationFormat.h \
OperationResizeMove.h \
OperationLabelPartition.h \
- Partition.h \
+ Partition.h \
TreeView_Detail.h \
Utils.h \
Win_GParted.h \
ext2.h \
ext3.h \
+ ext4.h \
fat16.h \
fat32.h \
hfs.h \
hfsplus.h \
i18n.h \
jfs.h \
- linux_swap.h \
+ linux_swap.h \
ntfs.h \
reiser4.h \
reiserfs.h \
Added: trunk/include/ext4.h
==============================================================================
--- (empty file)
+++ trunk/include/ext4.h Thu Dec 18 22:07:06 2008
@@ -0,0 +1,45 @@
+/* Copyright (C) 2008 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 Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef EXT4_H_
+#define EXT4_H_
+
+#include "../include/FileSystem.h"
+
+namespace GParted
+{
+
+class ext4 : public FileSystem
+{
+public:
+ FS get_filesystem_support() ;
+ void set_used_sectors( Partition & partition ) ;
+ void read_label( Partition & partition ) ;
+ bool write_label( const Partition & partition, OperationDetail & operationdetail ) ;
+ bool create( const Partition & new_partition, OperationDetail & operationdetail ) ;
+ bool resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition = false ) ;
+ bool copy( const Glib::ustring & src_part_path,
+ const Glib::ustring & dest_part_path,
+ OperationDetail & operationdetail ) ;
+ bool check_repair( const Partition & partition, OperationDetail & operationdetail ) ;
+};
+
+
+} //GParted
+
+#endif /*EXT4_H_*/
Modified: trunk/src/Makefile.am
==============================================================================
--- trunk/src/Makefile.am (original)
+++ trunk/src/Makefile.am Thu Dec 18 22:07:06 2008
@@ -43,6 +43,7 @@
Win_GParted.cc \
ext2.cc \
ext3.cc \
+ ext4.cc \
fat16.cc \
fat32.cc \
hfs.cc \
Added: trunk/src/ext4.cc
==============================================================================
--- (empty file)
+++ trunk/src/ext4.cc Thu Dec 18 22:07:06 2008
@@ -0,0 +1,144 @@
+/* Copyright (C) 2008 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 Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+
+#include "../include/ext4.h"
+
+namespace GParted
+{
+
+FS ext4::get_filesystem_support()
+{
+ FS fs ;
+ fs .filesystem = GParted::FS_EXT4 ;
+
+ //To be on the safe side, only enable all the function if mkfs.ext4 is
+ // found indicating that there is a recent copy of e2fsprogs available.
+ if ( ! Glib::find_program_in_path( "mkfs.ext4" ) .empty() )
+ {
+ fs .create = GParted::FS::EXTERNAL ;
+
+ if ( ! Glib::find_program_in_path( "dumpe2fs" ) .empty() )
+ fs .read = GParted::FS::EXTERNAL ;
+
+ if ( ! Glib::find_program_in_path( "e2label" ) .empty() ) {
+ fs .read_label = FS::EXTERNAL ;
+ fs .write_label = FS::EXTERNAL ;
+ }
+
+ if ( ! Glib::find_program_in_path( "e2fsck" ) .empty() )
+ fs .check = GParted::FS::EXTERNAL ;
+
+ if ( ! Glib::find_program_in_path( "resize2fs" ) .empty() && fs .check )
+ {
+ fs .grow = GParted::FS::EXTERNAL ;
+
+ if ( fs .read ) //needed to determine a min file system size..
+ fs .shrink = GParted::FS::EXTERNAL ;
+ }
+
+ if ( fs .check )
+ {
+ fs .copy = GParted::FS::GPARTED ;
+ fs .move = GParted::FS::GPARTED ;
+ }
+ }
+
+ return fs ;
+}
+
+void ext4::set_used_sectors( Partition & partition )
+{
+ if ( ! Utils::execute_command( "dumpe2fs -h " + partition .get_path(), output, error, true ) )
+ {
+ index = output .find( "Free blocks:" ) ;
+ if ( index >= output .length() ||
+ sscanf( output.substr( index ) .c_str(), "Free blocks: %Ld", &N ) != 1 )
+ N = -1 ;
+
+ index = output .find( "Block size:" ) ;
+ if ( index >= output.length() ||
+ sscanf( output.substr( index ) .c_str(), "Block size: %Ld", &S ) != 1 )
+ S = -1 ;
+
+ if ( N > -1 && S > -1 )
+ partition .Set_Unused( Utils::round( N * ( S / 512.0 ) ) ) ;
+ }
+ else
+ {
+ if ( ! output .empty() )
+ partition .messages .push_back( output ) ;
+
+ if ( ! error .empty() )
+ partition .messages .push_back( error ) ;
+ }
+}
+
+void ext4::read_label( Partition & partition )
+{
+ if ( ! Utils::execute_command( "e2label " + partition .get_path(), output, error, true ) )
+ {
+ partition .label = Utils::regexp_label( output, "^(.*)" ) ;
+ }
+ else
+ {
+ if ( ! output .empty() )
+ partition .messages .push_back( output ) ;
+
+ if ( ! error .empty() )
+ partition .messages .push_back( error ) ;
+ }
+}
+
+bool ext4::write_label( const Partition & partition, OperationDetail & operationdetail )
+{
+ return ! execute_command( "e2label " + partition .get_path() + " \"" + partition .label + "\"", operationdetail ) ;
+}
+
+bool ext4::create( const Partition & new_partition, OperationDetail & operationdetail )
+{
+ return ! execute_command( "mkfs.ext4 -L \"" + new_partition .label + "\" " + new_partition .get_path(), operationdetail ) ;
+}
+
+bool ext4::resize( const Partition & partition_new, OperationDetail & operationdetail, bool fill_partition )
+{
+ Glib::ustring str_temp = "resize2fs " + partition_new .get_path() ;
+
+ if ( ! fill_partition )
+ str_temp += " " + Utils::num_to_str( Utils::round( Utils::sector_to_unit(
+ partition_new .get_length(), GParted::UNIT_KIB ) ) -1, true ) + "K" ;
+
+ return ! execute_command( str_temp, operationdetail ) ;
+}
+
+bool ext4::copy( const Glib::ustring & src_part_path,
+ const Glib::ustring & dest_part_path,
+ OperationDetail & operationdetail )
+{
+ return true ;
+}
+
+bool ext4::check_repair( const Partition & partition, OperationDetail & operationdetail )
+{
+ exit_status = execute_command( "e2fsck -f -y -v " + partition .get_path(), operationdetail ) ;
+
+ //exitstatus 256 isn't documented, but it's returned when the 'FILE SYSTEM IS MODIFIED'
+ //this is quite normal (especially after a copy) so we let the function return true...
+ return ( exit_status == 0 || exit_status == 1 || exit_status == 2 || exit_status == 256 ) ;
+}
+
+} //GParted
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