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Mike Fleetwood db5df60f22 Use btrfs filesystem show --raw to read usage (!105) 
'btrfs filesystem show' only used to report rounded human readable size
figures.  Therefore the actual figure could have been anywhere within
the rounding limit.  GParted also applied a heuristic to snap the file
system size figure to the partition size if the partition size was
within the rounding limit of the reported file system size [1].

btrfs-progs v4.1 added the --raw option to print the figures in bytes
[2][3][4].
    # btrfs filesystem show --raw /dev/sdb1
    Label: none  uuid: 003a619e-856f-4b9c-bd29-4d0ae0296d66
            Total devices 2 FS bytes used 178765824
            devid    1 size 2147483648 used 239861760 path /dev/sdb1
            devid    2 size 2147483648 used 436207616 path /dev/sdc1

Since the oldest supported distributions now use btrfs-progs v4.5.3 and
later (see the distribution End-of-Life table in the previous commit
message), unconditionally use this to get accurate figures.

[1] 7fc16a1b69
    Handle btrfs tools rounding of figures (#499202)
[2] btrfs-progs: Allow "filesystem show" command to handle different units
    https://git.kernel.org/pub/scm/linux/kernel/git/kdave/btrfs-progs.git/commit/?id=15379fa2257bf937cf7830c0b1b79f2daf5df72c
[3] btrfs-progs: docs: new size options for fi show
    https://git.kernel.org/pub/scm/linux/kernel/git/kdave/btrfs-progs.git/commit/?id=81225f11d9ea58590476612e69211113ddb9b943
[4] Btrfs progs release 4.1
    https://lore.kernel.org/linux-btrfs/20150622150023.GX6761@twin.jikos.cz/

Closes !105 - Update used btrfs file system commands, new minimum is
              btrfs-progs 4.5
 		2022-08-25 15:41:31 +00:00
..
BCache_Info.h Show bcache device as mount point of registered backing device (#183) 2022-03-01 16:58:46 +00:00
BlockSpecial.h Pre-populate BlockSpecial cache while reading /proc/partitions (#767842) 2016-08-06 09:47:58 -06:00
CopyBlocks.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
DMRaid.h Make 4 internally used only DMRaid methods private 2019-12-02 16:35:22 +00:00
Device.h Return and use constant reference from Device::get_path() (!94) 2021-11-16 16:08:17 +00:00
DialogFeatures.h White space tidy-up some of DialogFeatures 2021-07-30 16:12:24 +00:00
DialogManageFlags.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
DialogPasswordEntry.h Report this LUKS passphrase request reason as resize (#59) 2021-04-25 15:49:35 +00:00
Dialog_Base_Partition.h Make MB_Needed_for_Boot_Record() a static member function 2021-10-27 15:04:20 +00:00
Dialog_Disklabel.h Ensure icon sizes (#39) 2019-04-06 11:42:28 +01:00
Dialog_FileSystem_Label.h Simplify from Gtk::Table to HBox in FileSystem Label dialog 2018-06-18 10:15:33 -06:00
Dialog_Partition_Copy.h Pass the current device down to Dialog_Base_Partition class (#48) 2019-06-11 15:55:02 +00:00
Dialog_Partition_Info.h Use Gtk::Grid for Dialog_Partition_Info (!25) 2019-04-27 12:03:05 +01:00
Dialog_Partition_Name.h Simplify from Gtk::Table to HBox in Partition Name dialog 2018-06-18 10:15:33 -06:00
Dialog_Partition_New.h Rename member variable to default_fs 2021-03-04 16:55:06 +00:00
Dialog_Partition_Resize_Move.h Pass the current device down to Dialog_Base_Partition class (#48) 2019-06-11 15:55:02 +00:00
Dialog_Progress.h Rename Dialog_Progress member variable to m_curr_op 2019-04-11 10:06:36 -06:00
Dialog_Rescue_Data.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
DrawingAreaVisualDisk.h Use Gdk::RGBA (!25) 2019-04-27 12:03:04 +01:00
FS_Info.h Make FS_Info (blkid) cache incrementally loadable (#148) 2021-04-03 17:02:04 +00:00
FileSystem.h Add labelling of mounted btrfs (#163) 2021-07-30 16:12:24 +00:00
Frame_Resizer_Base.h Use Gdk::RGBA (!25) 2019-04-27 12:03:04 +01:00
Frame_Resizer_Extended.h Put Frame_Resizer_{Base,Extended} modules into GParted namespace (!20) 2018-11-26 17:56:32 +00:00
GParted_Core.h Also pass device_path into GParted_Core::is_busy() (#183) 2022-03-01 16:58:46 +00:00
HBoxOperations.h Use Gtk::Box for HBoxOperations (!25) 2019-04-27 12:03:04 +01:00
LUKS_Info.h Capture LUKS mapping master encryption key location (#59) 2021-04-25 15:49:35 +00:00
LVM2_PV_Info.h Return and use constant reference from LVM2_PV_Info::get_vg_name() (!94) 2021-11-16 16:08:17 +00:00
Makefile.am Report busy status of bcache (#183) 2022-03-01 16:58:46 +00:00
MenuHelpers.h prepare-for-gtk3: Prepare for removal of Gtk::Menu_Helpers::Element (#7) 2019-02-11 08:57:18 +00:00
Mount_Info.h Constify string parameters to add_mountpoint_entry() 2022-05-31 17:04:10 +00:00
Operation.h Create and use general find_extended_partition() function 2017-01-14 08:49:58 -07:00
OperationChangeUUID.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
OperationCheck.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
OperationCopy.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
OperationCreate.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
OperationDelete.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
OperationDetail.h Return constant reference from OperationDetail::get_treepath() (!94) 2021-11-16 16:08:17 +00:00
OperationFormat.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
OperationLabelFileSystem.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
OperationNamePartition.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
OperationResizeMove.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
OptionComboBox.h modern-gtk2: Delay construction of Gtk::TreeModel* objects (!17) 2018-11-12 21:50:42 +00:00
Partition.h Return and use constant reference from Partition::get_mountpoints() (!94) 2021-11-16 16:08:17 +00:00
PartitionLUKS.h Rename enum FILESYSTEM to FSType 2018-01-28 10:09:35 -07:00
PartitionVector.h Create and use general find_extended_partition() function 2017-01-14 08:49:58 -07:00
PasswordRAMStore.h Change to insert or replace PasswordRAMStore::store() interface (#795617) 2018-04-30 09:10:48 -06:00
PipeCapture.h Refactor ::OnReadable() creating get_utf8_char_validated() (#136) 2021-02-22 16:14:35 +00:00
Proc_Partitions_Info.h Read partition names from /proc/partitions too (#131) 2021-02-10 16:30:13 +00:00
ProgressBar.h Write a generic progress bar class (#760709) 2016-02-12 09:09:56 -07:00
SWRaid_Info.h Return and use constant reference from SWRaid_Info::get_label() (!94) 2021-11-16 16:08:17 +00:00
SupportedFileSystems.h Split FILESYSTEMS and FILESYSTEM_MAP into separate module (!49) 2019-11-09 17:18:34 +00:00
TreeView_Detail.h Remove unneeded #include <vector> from TreeView_Detail.h 2020-09-18 16:00:44 +00:00
Utils.h Extract repeated code into trim_trailing_new_line() (!105) 2022-08-25 15:41:31 +00:00
Win_GParted.h Return and use constant reference from Device::get_path() (!94) 2021-11-16 16:08:17 +00:00
btrfs.h Use btrfs filesystem show --raw to read usage (!105) 2022-08-25 15:41:31 +00:00
exfat.h Add support for updating the exFAT UUID (!67) 2021-02-17 17:16:48 +00:00
ext2.h Remove checks for e4fsprogs commands (#794253) 2018-03-26 10:16:45 -06:00
f2fs.h Enhance F2FS support (!29) 2019-03-26 08:08:10 +00:00
fat16.h Switch to faster minfo and mdir to read FAT16/32 usage (#569921) 2019-07-04 10:51:50 -06:00
hfs.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
hfsplus.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
i18n.h Drop compose subdir (#46) 2019-03-27 16:45:22 +00:00
jfs.h Stop providing a default for FileSystem::resize() fill_partition argument 2016-12-12 13:15:34 -07:00
linux_swap.h Make get_custom_text() and get_generic_text() return by reference 2018-06-18 10:15:33 -06:00
luks.h Make get_custom_text() and get_generic_text() return by reference 2018-06-18 10:15:33 -06:00
lvm2_pv.h Make get_custom_text() and get_generic_text() return by reference 2018-06-18 10:15:33 -06:00
minix.h Add support for minix file system (!12) 2018-08-24 20:22:08 +01:00
nilfs2.h Stop providing a default for FileSystem::resize() fill_partition argument 2016-12-12 13:15:34 -07:00
ntfs.h Rework scope of fat16:: and ntfs::Change_UUID_Warning vectors 2018-06-18 14:47:17 -06:00
reiser4.h Remove "../include/" from GParted header #includes 2016-12-12 13:15:34 -07:00
reiserfs.h Stop providing a default for FileSystem::resize() fill_partition argument 2016-12-12 13:15:34 -07:00
udf.h Set dynamic UDF file system size limits (#787204) 2018-01-28 10:09:35 -07:00
xfs.h Stop providing a default for FileSystem::resize() fill_partition argument 2016-12-12 13:15:34 -07:00