Automatic selection of the largest unallocated partition caused flashing
redraw of the partition graphic and partition list. Both the partition
graphic and partition list were being drawn blank then redrawn fully
populated. This only happened on some distributions including:
CentOS 5.10, 6.5, 7.0, Debian 6, Fedora 14, 20, Xubuntu 14.04 LTS. Did
not happen on: Kubuntu 12.04 LTS.
This is a workaround, not a complete fix. It moves automatic selection
of the largest unallocated partition to after processing of the GTK
Event loop in Refresh_Visual() which redraws the partition graphic and
partition list. These visuals are now drawn only once, fully populated,
however this draws them without the selected partition. The partition
selection is then drawn afterwards which causes the selection to flash
instead. This is significant improvement to the whole partition graphic
and partition list flashing when redrawn.
Bug #696149 - Double refresh of display introduced with default
unallocated space
The device combobox was getting drawn blank, then getting drawn again
with the selected device. This was happening because at the start of
Win_GParted::refresh_combo_devices() the GTK model behind the combobox,
liststore_devices, was cleared, changing the active item, causing the
combobox to get redrawn empty. After the GTK model had been repopulated
the active item was reset causing the comboxbox to get redrawn again,
now showing the selected device. Call flow:
Win_GParted::refresh_combo_devices()
liststore_devices->clear()
//Gtk::Combobox emits signal_change. Registered callbacks
//called.
Win_GParted::combo_devices_changed()
Win_GParted::Refresh_Visual()
...
...
combo_devices.set_active(current_device);
//Gtk::Combobox emits signal_change. Registered callbacks
//called.
Win_GParted::combo_devices_changed()
Win_GParted::Refresh_Visual()
...
This has always been the case, since the device combobox was first added
to GParted before version 0.1 by commit:
3a4b43e0ad
replaced deprecated OptionMenu with ComboBox ...
Fix by temporarily blocking the devices comboxbox from emitting
signal_changed while the GTK model behind the combobox is recreated.
However, since automatic selection of the largest free space was added
[1] in GParted 0.15.0, a more noticeable flashing redraw issue was
caused in which the partition graphic and partition list were both drawn
blank then redrawn fully populated. Some distributions were not
affected by this at all, some only experienced a single flash and others
suffered from two or more flashing redraws. Some affected
distributions: CentOS 5.10, 6.5, 7.0, Debian 6, Fedora 14, 19, 20,
Ubuntu 13.10, Xubuntu 14.04 LTS. Did not occur on Kubuntu 12.04 LTS.
[1] 5b53c12f6e
Select largest unallocated partition by default (#667365)
Bug #696149 - Double refresh of display introduced with default
unallocated space
CPPFLAGS - Needed to instruct the compiler to use libparted include
files, <parted/parted.h> etc, from the non-default location.
LD_LIBRARY_PATH - Not needed to specify an additional directory to find
libparted shared libraries at run time, as the linker build the
additional directory into the executable based on the LD_RUN_PATH
environment variable.
Automake 1.13 and later generates the following warning when building
GParted from git:
$ ./autogen.sh
...
checking for automake >= 1.9...
testing automake-1.13... found 1.13.4
...
Running automake-1.13...
src/Makefile.am:1: warning: 'INCLUDES' is the old name for 'AM_CPPFLAGS' (or '*_CPPFLAGS')
...
INCLUDES name has been depreciated since automake 1.7. GParted's
autogen.sh and configure.ac require at least automake 1.9. Therefore
replace automake variable INCLUDES with AM_CPPFLAGS.
Bug #735742 - automake warns INCLUDES is deprecated
Use AC_ARG_ENABLE() and AS_HELP_STRING() macros to improve handling of
the --disable-doc option.
Change the names, and sence, of the Autoconf and Automake definitions
used to control building of the help documentation. Reasons are:
(1) Switch from negative to positive statements which are more natural
to comprehend.
(2) Insert HELP in the names from *_DOC to *_HELP_DOC as they control
building of the documentation in the help subdirectory, not the
manual page in the doc directory.
Autoconf: HAVE_DISABLE_DOC -> ENABLE_HELP_DOC
Automake: DISABLE_DOC -> BUILD_HELP_DOC
Bug #734076 - Autodetect parted online partition resizing capability
Use AC_ARG_ENABLE() Autoconf macro to set enable_libparted_dmraid
variable to either yes or no in all cases, whether set on the command
line or not. Use AS_HELP_STRING() macro to format the option help text.
Bug #734076 - Autodetect parted online partition resizing capability
Configure script checks for libparted version >= 3.2 to automatically
determine the availability of online resize capability in libparted.
This can be overridden from the ./configure command line. Override
enable when an older version of libparted has been patched to include
online resize support with:
./configure --enable-online-resize
Override disable with libparted 3.2 or later to disable the feature when
it is not wanted with:
./configure --disable-online-resize
Note that GParted also requires, and checks for at runtime, Linux
kernel >= 3.6 for online resize support. See commit for more details:
de2844d02d
Add online resize support (#694622)
Bug #734076 - Autodetect parted online partition resizing capability
Currently -lparted is passed to the linker by being hard coded in the
gpartedbin_LDFLAGS variable in src/Makefile.am and -lparted-fs-resize
by conditionally being appended to the gpartedbin_LDFLAGS.
Add an Autoconf AC_CHECK_LIB check for the parted library using it's
default action-if-found to extend LIBS. Update the existing
AC_CHECK_LIB check for the parted-fs-resize library so that the
overridden action-if-found also extends LIBS with -lparted-fs-resize.
These libraries are then assigned via the LIBS variable in the
generated Makefiles.
This matches how the other libraries, dl and uuid, were found in the
configure script and passed to the Makefiles.
Bug #734718 - Update Autoconf version specific libparted checks and
defines to feature specific ones
Configure.ac still builds and runs very similar test executables twice
to determine in the version of libparted is >= minimum require 1.7.1 and
2.2 for improved partition re-read code.
Build and run a single test to determine the version of libparted and
cache the result. Use this cached version number when testing the
version of libparted. Inspired by the version checking for intltool
from /usr/share/aclocal/intltool.m4.
Bug #734718 - Update Autoconf version specific libparted checks and
defines to feature specific ones
If ped_file_system_resize() function is found in the parted library
don't bother to go on to check for it in the parted-fs-resize library.
Bug #734718 - Update Autoconf version specific libparted checks and
defines to feature specific ones
Remove HAVE_LIBPARTED_2_2_0_PLUS definition
Rename version specific #define HAVE_LIBPARTED_2_2_0_PLUS into two
separate feature specific names set as required:
Name Set when?
ENABLE_PT_REREAD_WORKAROUND (libparted < 2.2)
USE_LIBPARTED_LARGE_SECTOR_SUPPORT (libparted >= 2.2)
Using feature specific #defines is the standard Autoconf way and makes
the resultant conditional code easier to understand. Still have to
check the version of libparted though.
Bug #734718 - Update Autoconf version specific libparted checks and
defines to feature specific ones
Replace Autoconf check for libparted >= 3.0
Currently uses a custom check which compiles an executable to check for
libparted version >= 3.0 to determine if the ped_file_system_resize()
function exists in the parted library.
Change to use a direct Autoconf check to determine the availability of
the ped_file_system_resize() function in the parted library.
Bug #734718 - Update Autoconf version specific libparted checks and
defines to feature specific ones
Remove HAVE_LIBPARTED_3_0_0_PLUS definition
The #define only controls whether fat16 and fat32 file systems are moved
by libparted (for versions <= 2.4) or the GParted internal algorithm
(for libparted versions >= 3.0). See this commit for more details:
0fda1d011d
Enable new fs resize library available with parted-3.1 (#668281)
As nearly all other file system are moved using the GParted internal
algorithm, just always use it to move fat16 and fat32 file systems too.
Bug #734718 - Update Autoconf version specific libparted checks and
defines to feature specific ones
Remove HAVE_LIBPARTED_3_1_0_PLUS definition and replace Autoconf
check for libparted >= 3.1
Currently uses custom check which compiles an executable to check for
libparted version >= 3.1 to determine the availability of the library
parted-fs-resize and the need to include the header <parted/filesys.h>.
Change to use a direct Autoconf check to determine the availability of
the ped_file_system_resize() function in the parted-fs-resize library.
Remove inclusion of the header <parted/filesys.h> as it has always been
included via <parted/parted.h>, at least as far back as parted 1.8.0,
and even in parted 3.0 when ped_file_system_resize() and libparted file
system resize capability didn't exist.
Bug #734718 - Update Autoconf version specific libparted checks and
defines to feature specific ones
AM_PROG_LIBTOOL is an old name and alias for AC_PROG_LIBTOOL. Update.
NOTE:
In turn AC_PROG_LIBTOOL is an old name and alias for LT_INIT, but
CentOS 5.x with libtool 1.5.22 doesn't have LT_INIT defined in
/usr/share/aclocal/libtool.m4 serial 48, only AC_PROG_LIBTOOL and
AM_PROG_LIBTOOL. Therefore only update to AC_PROG_LIBTOOL and not
LT_INIT while CentOS 5.x is supported.
Bug #734718 - Update Autoconf version specific libparted checks and
defines to feature specific ones
Add tip that the GParted Live image can be written to a USB flash
drive to be used in computers that can boot from USB.
Bug 734376 - Add GRUB 2 Restore Steps to GParted Manual
Part of the list of actions that could cause a computer to fail to
boot were duplicated. Remove this duplication from the fixing GRUB
boot problems section of the help manual.
Bug #734376 - Add GRUB 2 Restore Steps to GParted Manual
Also add short description of GRUB 2 and GRUB Legacy, and list of
GNU/Linux distributions and which version started using GRUB 2.
Bug #734376 - Add GRUB 2 Restore Steps to GParted Manual
This patch changes the reading of the btrfs multi-device membership to
resolve issue 1/2 by ignoring the exit status from the 'btrfs filesystem
show' command and relying on parsing the required information to
determine success or failure.
Bug #733601 - Btrfs: Warnings and missing label with btrfs-progs 3.12
and 3.14
Patch 3/4 - btrfs::read_label()
This patch changes the btrfs file system usage reading code to resolve
issue 1/2 by ignoring the exit status from the 'btrfs filesystem show'
command and relying on parsing the required information to determine
success or failure.
Bug #733601 - Btrfs: Warnings and missing label with btrfs-progs 3.12
and 3.14
Issue 2/2 - GParted doesn't show label for mounted btrfs file systems
'btrfs filesystem show /dev/PTN' command is used to query details of a
btrfs file system including reading the file system label. When the
file system is mounted the label is no longer enclosed in single quotes,
but only when using btrfs-progs v3.12. This causes GParted to think the
label is blank when the file system is mounted and therefore no longer
display it.
File system label not enclosed in single quotes when mounted:
# fgrep sdb1 /proc/mounts
/dev/sdb1 /mnt/1 btrfs rw,relatime,space_cache 0 0
# btrfs filesystem show /dev/sdb1
Label: test1-btrfs uuid: 1f78fa38-2f85-41d3-9be6-ae0356ae9469
Total devices 1 FS bytes used 192.00KiB
devid 1 size 2.00GiB used 240.75MiB path /dev/sdb1
Btrfs v3.12
File system label enclosed in single quotes when unmounted:
# umount /dev/sdb1
# btrfs filesystem show /dev/sdb1
Label: 'test1-btrfs' uuid: 1f78fa38-2f85-41d3-9be6-ae0356ae9469
Total devices 1 FS bytes used 192.00KiB
devid 1 size 2.00GiB used 240.75MiB path /dev/sdb1
Btrfs v3.12
Removing the single quotes enclosing the label makes the output
identical to that from the older 'btrfs-show' command.
Fix by using a common parser to extract the label from both the
'btrfs filesystem show' and 'btrfs-show' commands which can read the
label with and without enclosing single quotes.
Patch 2/4 - btrfs::read_label()
This patch changes the btrfs file system label parsing code to resolve
issue 1/2 by ignoring the exit status from the 'btrfs filesystem show'
command and relying on parsing the required information to determine
success or failure. Issue 2/2 is also resolved as described above.
Bug #733601 - Btrfs: Warnings and missing label with btrfs-progs 3.12
and 3.14
Issue 1/2 - GParted shows warnings for mounted btrfs file systems
'btrfs filesystem show /dev/PTN' command is used to query details of a
btrfs file system. When the file system is mounted the command reports
failed exit status 1, but only when using btrfs-progs v3.14 and v3.14.1.
This causes GParted to: (1) report warnings from the failed commands for
a mounted btrfs file system, (2) fail to determine file system usage
figures and (3) fail to display the mount point and busy indicator for
non-mounting devices in multi-device btrfs file systems. The label is
also read using the secondary blkid method via the FS_Info cache.
Failed exit status 1 when the btrfs file system is mounted:
# fgrep sdb1 /proc/mounts
/dev/sdb1 /mnt/1 btrfs rw,seclabel,relatime,space_cache 0 0
# btrfs filesystem show /dev/sdb1
Label: 'test1-btrfs' uuid: 033e6b07-ee6a-4620-a585-8580a2b83275
Total devices 1 FS bytes used 192.00KiB
devid 1 size 2.00GiB used 240.75MiB path /dev/sdb1
Btrfs v3.14.1
# echo $?
1
Successful exit status 0 when the btrfs file system is unmounted:
# umount /dev/sdb1
# btrfs filesystem show /dev/sdb1
Label: 'test1-btrfs' uuid: 033e6b07-ee6a-4620-a585-8580a2b83275
Total devices 1 FS bytes used 192.00KiB
devid 1 size 2.00GiB used 240.75MiB path /dev/sdb1
Btrfs v3.14.1
# echo $?
0
Fix by ignoring the exit status of the 'btrfs filesystem show' command
and rely on parsing the required information to determine success or
failure. The output from the older 'btrfs-show' command is almost
identical so the same code will parse it in all cases.
Patch 1/4 - btrfs::read_uuid()
This patch changes the secondary method used to read the btrfs UUID to
resolve issue 1/2 as described above.
Bug #733601 - Btrfs: Warnings and missing label with btrfs-progs 3.12
and 3.14
While one partition is busy, reformat another partition from the command
line. Afterwards parted/libparted still detects the original file
system and GParted shows errors from the file system specific tools
reporting the new file system doesn't exist. Only limitation is that
the new new file system must be recognised by libparted (or by GParted's
fallback file system signature detection).
Case #1, File system reformatting:
# parted /dev/sdb print
Model: ATA SAMSUNG SSD UM41 (scsi)
Disk /dev/sdb: 8012MB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
1 1049kB 2149MB 2147MB primary ext2
2 2149MB 4296MB 2147MB primary ext2
# mount | fgrep sdb
/dev/sdb1 on /mnt/1 type ext2 (rw)
# mkfs.xfs -f /dev/sdb2
# blkid /dev/sdb2
/dev/sdb2: UUID="c31823a2-b81b-46fa-8246-0a59695e4834" TYPE="xfs"
# parted /dev/sdb print
Model: ATA SAMSUNG SSD UM41 (scsi)
Disk /dev/sdb: 8012MB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
1 1049kB 2149MB 2147MB primary ext2
2 2149MB 4296MB 2147MB primary ext2
# e2label /dev/sdb2
e2label: Bad magic number in super-block while trying to open /dev/sdb2
Couldn't find valid filesystem superblock.
# dumpe2fs /dev/sdb2
dumpe2fs 1.41.12 (17-May-2010)
dumpe2fs: Bad magic number in super-block while trying to open /dev/sdb2
Couldn't find valid filesystem superblock.
Case #2, Removing device from multi-device btrfs:
# btrfs filesystem show /dev/sdb1
Label: none uuid: a05db434-efd5-4e8c-902f-05f89a88b610
Total devices 2 FS bytes used 156.00KB
devid 2 size 2.00GB used 512.00MB path /dev/sdb2
devid 1 size 2.00GB used 240.75MB path /dev/sdb1
# mount /dev/sdb1 /mnt/1
# btrfs device delete /dev/sdb2
# btrfs filesystem show /dev/sdb1
Label: none uuid: a05db434-efd5-4e8c-902f-05f89a88b610
Total devices 1 FS bytes used 92.00KB
devid 1 size 2.00GB used 714.25MB path /dev/sdb1
# btrfs filesystem show /dev/sdb2
and GParted reports this error for partition /dev/sdb2:
Unable to read the contents of this file system!
Because of this some operations may be unavailable.
The cause might be a missing software package.
The following list of software packages is required for btrfs
file system support: btrfs-tools.
This is another case of libparted reading from the whole disk device
(/dev/sdb) yet the file system tools use the partition specific block
device (/dev/sdb2), and the Linux buffer cache not providing cache
coherency. Previous scenario was fixed with:
797f0b8eeb
Flush device after wiping a file system (#688882)
This affects libparted 2.0 to 3.1 inclusive and is fixed by:
http://git.savannah.gnu.org/cgit/parted.git/commit/?id=fb99ba5ebd0dc34204fc9f1014131d5d494805bc
Revert "linux-commit: do not unnecessarily open partition device nodes"
Fix by calling ped_device_sync() to guarantee cache coherency for each
device during scanning.
Bug #723842 - GParted resizes the wrong filesystem (does not pass the
devid to btrfs filesystem resize)
With linux 3.5 and later, the device used to mount a btrfs file system
is updated in /proc/mounts when the previous mounting device is removed
from the file system. Most recent distributions make /etc/mtab a
symbolic link to /proc/mounts. However some still have /etc/mtab as a
plain file only updated by mount and umount, thus showing the old device
name which is no longer part of the file system.
On Ubuntu 13.10, which has /etc/mtab as a plain file managed by mount
and umount:
# mkfs.btrfs /dev/sdb1
# mount /dev/sdb1 /mnt/1
# btrfs device add /dev/sdb2 /mnt/1
# btrfs device delete /dev/sdb1 /mnt/1
# sync
# btrfs filesystem show /dev/sdb1
# btrfs filesystem show /dev/sdb2
Label: none uuid: e47775a6-e5ad-4fb4-9ea4-1570aa5b4009
Total devices 2 FS bytes used 28.00KB
devid 2 size 2.00GB used 272.00MB path /dev/sdb2
# fgrep btrfs /proc/mounts
/dev/sdb2 /mnt/1 btrfs rw,relatime,space_cache 0 0
# ls -l /etc/mtab
-rw-r--r-- 1 root root 842 Apr 15 19:41 /etc/mtab
# fgrep btrfs /etc/mtab
/dev/sdb1 /mnt/1 btrfs rw 0 0
This causes GParted to report /dev/sdb1 as busy and mounted at /mnt/1
when it is no longer mounted. This effects recent releases of Ubuntu,
13.04, 13.10 and 14.04.
Either /etc/mtab is a symlink and is identical to /proc/mounts or
/etc/mtab is a plain file with wrong information. Fix by not reading
mounted file systems from /etc/mtab.
However old distributions only contain 'rootfs' and '/dev/root' device
names for the / (root) file system with '/dev/root' being a block device
rather than a symlink to the true device. For example from CentOS 5.x:
# fgrep ' / ' /proc/mounts
rootfs / rootfs rw 0 0
/dev/root / ext3 rw,data=ordered 0 0
# ls -l /dev/root
brw------- 1 root root 8, 3 Jun 4 2013 /dev/root
This prevents identification, and therefore busy detection, of the
device containing the / (root) file system. Used to read /etc/mtab to
get the root file system device name.
# fgrep ' / ' /etc/mtab
/dev/sda3 / ext3 rw 0 0
# ls -l /dev/sda3
brw-r----- 1 root disk 8, 3 Jun 4 2013 /dev/sda3
As per commit:
409096f739
improved scanning for root mountpoint (/) ...
but, as discussed above, this contains an out of date device name after
the mounting device has been dynamically removed from a multi-device
btrfs, thus identifying the wrong device as busy. Instead fall back to
reading mounted file systems from the output of the mount command, but
only when required.
# mount | fgrep ' / '
/dev/sda3 on / type ext3 (rw)
Bug #723842 - GParted resizes the wrong filesystem (does not pass the
devid to btrfs filesystem resize)
In a number of cases there may be no btrfs device cache entry. Some of
the reasons why this can occur:
1) Mounting device removed from btrfs on linux <= 3.4 so old mount
point in /proc/mounts;
2) btrfs and btrfs-show commands don't exist;
3) btrfs or btrfs-show command returned non-zero exit status;
4) get_cache_entry() failed to parse output from btrfs filesystem show
or btrfs-show.
Without a valid btrfs device cache entry, busy detection for all member
devices fails. Search the GParted internal mounted partitions map as
the fallback busy detection method. This can only determine if the
mounting device is mounted or not, not any of the other members of a
multi-device btrfs file system.
Bug #723842 - GParted resizes the wrong filesystem (does not pass the
devid to btrfs filesystem resize)
GParted doesn't specify the devid when resizing a btrfs file system, so
the kernel defaults to resizing devid 1. On a multi-device btrfs this
may not be the same partition which GParted is resizing. This will
result in file system truncation and corruption. Shrinking the wrong
partition example:
1) Create a btrfs file system spanning 2 partitions:
# mkfs.btrfs /dev/sdb1 /dev/sdb2
# btrfs filesystem show /dev/sdb1
Label: none uuid: 41654265-9840-45c4-aca1-55989da358d6
Total devices 2 FS bytes used 112.00KiB
devid 1 size 2.00GiB used 437.50MiB path /dev/sdb1
devid 2 size 2.00GiB used 417.50MiB path /dev/sdb2
2) Resize /dev/sdb2 down to 1 GiB using GParted. This command was
run:
btrfs filesystem resize 1048576K /tmp/gparted-ddyGRh
which resized devid 1 (/dev/sdb1) to 1 GiB:
# btrfs filesystem show /dev/sdb1
Label: none uuid: 41654265-9840-45c4-aca1-55989da358d6
Total devices 2 FS bytes used 256.00KiB
devid 1 size 1.00GiB used 437.50MiB path /dev/sdb1
devid 2 size 2.00GiB used 417.50MiB path /dev/sdb2
but GParted instead resized /dev/sdb2 to 1 GiB:
# sfdisk -s /dev/sdb1
2097152
# sfdisk -s /dev/sdb2
1048576
Even on a single device btrfs devid 1 may no longer exist if the file
system has had the initial device removed from it. Example:
1) Create a single btrfs file system, add a second device and
remove the first:
# mkfs.btrfs /dev/sdb1
# mount /dev/sdb1 /mnt/1
# btrfs device add /dev/sdb2 /mnt/1
# btrfs device remove /dev/sdb1 /mnt/1
# umount /mnt/1
# btrfs filesystem show /dev/sdb2
Label: none uuid: 2cbf3ac3-1344-472a-a0c7-1476d23bdc9f
Total devices 1 FS bytes used 256.00KiB
devid 2 size 2.00GiB used 480.00MiB path /dev/sdb2
2) Again resize /dev/sdb2 down to 1 GiB using GParted. This
command was run:
btrfs filesystem resize 1048576K /tmp/gparted-ddyGRh
but it failed with:
ERROR: unable to resize 'tmp/gparted-lEyGaY' - No such device
A more informative error message was written to syslog:
# tail -1 /var/log/messages
Mar 12 14:15:01 localhost kernel: btrfs: resizer unable to find device 1
This is with Linux kernel 3.13.5 on Fedora 20, circa March 2014.
Fix by specifying the devid when resizing (part of) a btrfs file system.
Example command specifying devid 2:
btrfs filesystem resize 2:1048576K /tmp/1
This will always work because it is the kernel which interprets the
devid colon size parameter and has always done so since btrfs was first
added to the kernel in version 2.6.32 [1].
Reference:
[1] linux v2.6.32 fs/btrfs/ioctl.c btrfs_ioctl_resize()
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/fs/btrfs/ioctl.c?id=v2.6.32#n578
Bug #723842 - GParted resizes the wrong filesystem (does not pass the
devid to btrfs filesystem resize)
Duarte Loreto