2009-11-05 11:08:32 -07:00
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/* Copyright (C) 2004 Bart
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2010-10-19 13:35:53 -06:00
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* Copyright (C) 2008, 2009, 2010 Curtis Gedak
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2004-11-17 06:00:25 -07:00
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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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2014-01-23 03:59:48 -07:00
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* GNU General Public License for more details.
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2004-11-17 06:00:25 -07:00
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*
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* You should have received a copy of the GNU General Public License
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2014-01-23 03:59:48 -07:00
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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2004-11-17 06:00:25 -07:00
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*/
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2013-05-27 05:20:16 -06:00
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#ifndef GPARTED_FILESYSTEM_H
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#define GPARTED_FILESYSTEM_H
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2004-11-17 06:00:25 -07:00
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2016-10-18 16:45:28 -06:00
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#include "Operation.h"
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#include "Partition.h"
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#include "PipeCapture.h"
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#include "Utils.h"
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2004-12-14 15:49:44 -07:00
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#include <fstream>
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#include <sys/stat.h>
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#include <sigc++/slot.h>
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2004-11-17 06:00:25 -07:00
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namespace GParted
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{
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enum CUSTOM_TEXT
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{
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CTEXT_NONE,
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CTEXT_ACTIVATE_FILESYSTEM, // Activate text ('Mount', 'Swapon', VG 'Activate', ...)
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CTEXT_DEACTIVATE_FILESYSTEM, // Deactivate text ('Unmount', 'Swapoff', VG 'Deactivate', ...)
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CTEXT_CHANGE_UUID_WARNING, // Warning to print when changing UUIDs
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CTEXT_RESIZE_DISALLOWED_WARNING // File system resizing currently disallowed reason
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};
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2018-01-18 09:26:20 -07:00
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// Minimum and maximum file system size limits
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struct FS_Limits
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{
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Byte_Value min_size; // 0 => no limit, +ve => limit defined. (As implemented by)
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Byte_Value max_size; // -----------------"----------------- (code using these.)
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FS_Limits() : min_size( 0 ) , max_size( 0 ) {};
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FS_Limits( Byte_Value min, Byte_Value max ) : min_size( min ), max_size( max ) {};
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};
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// Struct to store file system support information
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struct FS
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{
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enum Support
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{
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NONE = 0,
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GPARTED = 1,
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LIBPARTED = 2,
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EXTERNAL = 3
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};
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FSType fstype;
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Support busy; // How to determine if partition/file system is busy
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Support read; // Can and how to read sector usage while inactive
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Support read_label;
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Support write_label;
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Support read_uuid;
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Support write_uuid;
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Support create;
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Support create_with_label; // Can and how to format file system with label
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Support grow;
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Support shrink;
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Support move; // start point and endpoint
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Support check; // Some check tool available?
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Support copy;
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Support remove;
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Support online_read; // Can and how to read sector usage while active
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Support online_grow;
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Support online_shrink;
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FS(FSType fstype_ = FS_UNSUPPORTED) : fstype(fstype_)
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{
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busy = read = read_label = write_label = read_uuid = write_uuid = create =
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create_with_label = grow = shrink = move = check = copy = remove = online_read =
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online_grow = online_shrink = NONE;
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}
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};
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Refactor flags in method FileSystem::execute_command() (#754684)
Change the two optional boolean parameters into a single optional flags
parameter which uses symbolically defined names. Makes reading the
execute_command() calls much easier to understand. (Implemented as bit
field using the same technique as used for Glib::SpawnFlags [1]).
This changes the calls thus:
execute_command(cmd, od) -> (cmd, od)
execute_command(cmd, od, false) -> (cmd, od, EXEC_NONE) // [2]
execute_command(cmd, od, true ) -> (cmd, od, EXEC_CHECK_STATUS)
execute_command(cmd, od, false, true) -> (cmd, od, EXEC_CANCEL_SAFE)
execute_command(cmd, od, true , true) ->
(cmd, od, EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE)
[1] SpawnFlags bitwise operators in
/usr/include/glibmm-2.4/glibmm/spawn.h.
[2] False and EXEC_NONE are the default values for the optional third
parameter before and after this change respectively and both mean
the same. This is being used in btrfs::resize() and being kept for
now despite it being the default.
Bug 754684 - Updates to FileSystem:: and Utils::execute_command()
functions
2015-08-29 08:15:24 -06:00
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enum ExecFlags
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{
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EXEC_NONE = 1 << 0,
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EXEC_CHECK_STATUS = 1 << 1, // Set the status of the command in the operation
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// details based on the exit status being zero or
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// non-zero. Must either use this flag when calling
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// ::execute_command() or call ::set_status()
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// afterwards.
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EXEC_CANCEL_SAFE = 1 << 2,
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EXEC_PROGRESS_STDOUT = 1 << 3, // Run progress tracking callback after reading new
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// data on stdout from command.
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EXEC_PROGRESS_STDERR = 1 << 4, // Same but for stderr.
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EXEC_PROGRESS_TIMED = 1 << 5 // Run progress tracking callback periodically.
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Refactor flags in method FileSystem::execute_command() (#754684)
Change the two optional boolean parameters into a single optional flags
parameter which uses symbolically defined names. Makes reading the
execute_command() calls much easier to understand. (Implemented as bit
field using the same technique as used for Glib::SpawnFlags [1]).
This changes the calls thus:
execute_command(cmd, od) -> (cmd, od)
execute_command(cmd, od, false) -> (cmd, od, EXEC_NONE) // [2]
execute_command(cmd, od, true ) -> (cmd, od, EXEC_CHECK_STATUS)
execute_command(cmd, od, false, true) -> (cmd, od, EXEC_CANCEL_SAFE)
execute_command(cmd, od, true , true) ->
(cmd, od, EXEC_CHECK_STATUS|EXEC_CANCEL_SAFE)
[1] SpawnFlags bitwise operators in
/usr/include/glibmm-2.4/glibmm/spawn.h.
[2] False and EXEC_NONE are the default values for the optional third
parameter before and after this change respectively and both mean
the same. This is being used in btrfs::resize() and being kept for
now despite it being the default.
Bug 754684 - Updates to FileSystem:: and Utils::execute_command()
functions
2015-08-29 08:15:24 -06:00
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};
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inline ExecFlags operator|( ExecFlags lhs, ExecFlags rhs )
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{ return static_cast<ExecFlags>( static_cast<unsigned>(lhs) | static_cast<unsigned>(rhs) ); }
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inline ExecFlags operator&( ExecFlags lhs, ExecFlags rhs )
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{ return static_cast<ExecFlags>( static_cast<unsigned>(lhs) & static_cast<unsigned>(rhs) ); }
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2004-11-17 06:00:25 -07:00
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class FileSystem
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{
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public:
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FileSystem() ;
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virtual ~FileSystem() {}
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virtual const Glib::ustring & get_custom_text( CUSTOM_TEXT ttype, int index = 0 ) const;
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static const Glib::ustring & get_generic_text( CUSTOM_TEXT ttype, int index = 0 );
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virtual FS get_filesystem_support() = 0 ;
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virtual FS_Limits get_filesystem_limits( const Partition & partition ) const { return fs_limits; };
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virtual bool is_busy( const Glib::ustring & path ) { return false ; } ;
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virtual void set_used_sectors( Partition & partition ) {};
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virtual void read_label( Partition & partition ) {};
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virtual bool write_label( const Partition & partition, OperationDetail & operationdetail ) { return false; };
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virtual void read_uuid( Partition & partition ) {};
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virtual bool write_uuid( const Partition & partition, OperationDetail & operationdetail ) { return false; };
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virtual bool create( const Partition & new_partition, OperationDetail & operationdetail ) { return false; };
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virtual bool resize( const Partition & partition_new,
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OperationDetail & operationdetail,
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bool fill_partition ) { return false; };
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virtual bool move( const Partition & partition_new
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, const Partition & partition_old
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, OperationDetail & operationdetail
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) { return false; };
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virtual bool copy( const Partition & src_part,
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Partition & dest_part,
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OperationDetail & operationdetail ) { return false; };
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virtual bool check_repair( const Partition & partition, OperationDetail & operationdetail ) { return false; };
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virtual bool remove( const Partition & partition, OperationDetail & operationdetail ) { return true; };
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protected:
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typedef sigc::slot<void, OperationDetail *> StreamSlot;
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typedef sigc::slot<bool, OperationDetail *> TimedSlot;
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int execute_command( const Glib::ustring & command, OperationDetail & operationdetail,
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ExecFlags flags = EXEC_NONE );
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int execute_command(const Glib::ustring& command, const char *input, OperationDetail& operationdetail,
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ExecFlags flags = EXEC_NONE);
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int execute_command( const Glib::ustring & command, OperationDetail & operationdetail,
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ExecFlags flags,
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StreamSlot stream_progress_slot );
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int execute_command( const Glib::ustring & command, OperationDetail & operationdetail,
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ExecFlags flags,
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TimedSlot timed_progress_slot );
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Time and check nearly all file system action commands (#754684)
There has been an undocumented rule that external commands displayed in
the operation details, as part of file system manipulations, only get a
time and check mark displayed when multiple commands are needed, and not
otherwise. (GParted checks whether all commands are successful or not
regardless of whether a check mark is displayed in the operation details
or not).
EXCEPTION 1: btrfs resize
Since the following commit [1] from 2013-02-22, GParted stopped
displaying the timing for the btrfs resize command in the operation
details. It being part of a multi-command sequence to perform the step.
This is because FileSystem::execute_command() since the commit can only
check the exit status for zero / non-zero while timing and checking the
command status but btrfs resize needs to consider some non-zero statuses
as successful.
[1] 52a2a9b00a32996921ace055e71d0e09fb33c5fe
Reduce threading (#685740)
EXCEPTION 2: ext2/3/4 move and copy using e2image
When use of e2image was added [2] the single command steps were timed
and check.
[2] 86111fe12a26d23d9fc2a9e2d19281290ecaf985
Use e2image to move/copy ext[234] file systems (#721516)
EXCEPTION 3: fat16/32 write label and UUID
Uses Utils::execute_command() rather than FileSystem::execute_command()
so can be separately changed. See the following commit for resolution
of the final commands not yet timed and check mark displayed.
CHANGE:
Lets make a simpler rule of always displaying the time and a check mark
for all external commands displayed in the operation details. However
this makes several of the other single command actions need special exit
status handling because zero success, non-zero failure is not correct
for every case. Specifically affects resizing of reiserfs and check
repair of ext2/3/4, fat16/32, jfs and reiserfs.
After this change all external commands run as file system actions must
follow one of these two patterns of using the EXEC_CHECK_STATUS flag or
separately calling FileSystem::set_status() to register success or
failure of the command:
exit_status = execute_command(cmd, od, EXEC_CHECK_STATUS...);
or:
exit_status = execute_command(cmd, od, ...);
bool success = (exit_status == 0 || exit_status == OTHER_SUCCESS_VALUE...);
set_status(od, success );
Bug 754684 - Updates to FileSystem:: and Utils::execute_command()
functions
2015-09-05 02:31:16 -06:00
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void set_status( OperationDetail & operationdetail, bool success );
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2013-02-21 17:57:33 -07:00
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void execute_command_eof();
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2011-12-27 04:05:11 -07:00
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Glib::ustring mk_temp_dir( const Glib::ustring & infix, OperationDetail & operationdetail ) ;
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void rm_temp_dir( const Glib::ustring dir_name, OperationDetail & operationdetail ) ;
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2005-12-24 16:55:54 -07:00
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2018-01-16 02:28:06 -07:00
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FS_Limits fs_limits; // File system minimum and maximum size limits. In derived
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// classes either assign fixed values in get_filesystem_support()
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// or implement get_filesystem_limits() for dynamic values.
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2006-01-22 06:23:58 -07:00
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//those are used in several places..
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Glib::ustring output, error ;
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Query unallocated space for unmounted file systems (#499202)
Update file system specific implementations to set the size and free
space, thus allowing the unallocated space in the partition to be
calculated, for the following unmounted file systems:
btrfs, ext2, ext3, ext4, fat16, fat32, jfs, nilfs2, ntfs, reiserfs,
reiser4, xfs
Bug #499202 - gparted does not see the difference if partition size
differs from filesystem size
2012-01-10 08:19:01 -07:00
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Sector T, N, S ; //File system [T]otal num of blocks, [N]um of free (or used) blocks, block [S]ize
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2006-02-25 05:25:18 -07:00
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int exit_status ;
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2013-03-02 08:14:51 -07:00
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private:
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int execute_command_internal(const Glib::ustring& command, const char *input,
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OperationDetail& operationdetail,
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ExecFlags flags,
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StreamSlot stream_progress_slot,
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TimedSlot timed_progress_slot);
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2013-02-21 17:57:33 -07:00
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void store_exit_status( GPid pid, int status );
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bool running;
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int pipecount;
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2004-11-17 06:00:25 -07:00
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};
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} //GParted
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2013-05-27 05:20:16 -06:00
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#endif /* GPARTED_FILESYSTEM_H */
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