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Mike Fleetwood e7ed209020 Erase file system signatures before creating a partition table (#743181) 
When writing "loop" partition table over the top of some whole disk
device file system types GParted continued to show those whole disk
device file systems rather than the virtual unknown partition from the
"loop" partition table.

This affected btrfs, jfs, reiser4 and reiserfs.  It occurred because of
several factors:
1) Libparted only zeroed the first and last 9.5 KiB (assuming 512 byte
   sectors) of the device before writing a new partition table.  See
   ped_disk_clobber().
2) These file systems have their super blocks and therefore signatures
   after the first 9.5 KiB.
3) Whole disk device file system detection is performed using blkid
   before checking for a libparted "loop" partition table.  See
   GParted_Core::set_devices_thread().

Ref:
libparted 3.2: disk.c:ped_disk_clobber()
http://git.savannah.gnu.org/cgit/parted.git/tree/libparted/disk.c?id=v3.2#n302

Fix by always erasing any possible file system signatures on the device
before creating a new "loop" partition table.

NOTE:
This is typically taking up to 0.5 seconds in my testing on a 5400 RPM
hard drive, during which time the GParted UI is hung and the create
partition table dialog shows the apply button pressed but no other
progress indication.

Bug 743181 - Add unpartitioned drive read-write support
 		2015-03-09 11:04:13 -06:00
..
.cvsignore added *.swp some modifications to pass 'make distcheck' minor cleanups 2005-11-25 12:59:47 +00:00
Copy_Blocks.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
DMRaid.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
Device.h Add support for GPT partition names (#741424) 2015-02-01 10:08:23 -07:00
DialogFeatures.h Make the File System Support dialog resizable (#342682) 2014-01-27 10:54:48 -07:00
DialogManageFlags.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
Dialog_Base_Partition.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
Dialog_Disklabel.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
Dialog_FileSystem_Label.h Rename class to Dialog_FileSystem_Label (#741424) 2015-02-01 10:08:23 -07:00
Dialog_Partition_Copy.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
Dialog_Partition_Info.h Make the partition information dialog resizable (#690542) 2014-04-28 08:42:40 +01:00
Dialog_Partition_Name.h Add support for GPT partition names (#741424) 2015-02-01 10:08:23 -07:00
Dialog_Partition_New.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
Dialog_Partition_Resize_Move.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
Dialog_Progress.h Change OperationDetail to not store complex objects in STL containers (#729139) 2014-05-18 10:07:45 -06:00
Dialog_Rescue_Data.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
DrawingAreaVisualDisk.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
FS_Info.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
FileSystem.h Make partition busy detection method selectable per file system (#723842) 2014-07-28 10:03:16 -06:00
Frame_Resizer_Base.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
Frame_Resizer_Extended.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
GParted_Core.h Erase file system signatures before creating a partition table (#743181) 2015-03-09 11:04:13 -06:00
HBoxOperations.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
LVM2_PV_Info.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
Makefile.am Add support for GPT partition names (#741424) 2015-02-01 10:08:23 -07:00
Operation.h Add support for GPT partition names (#741424) 2015-02-01 10:08:23 -07:00
OperationChangeUUID.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
OperationCheck.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
OperationCopy.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
OperationCreate.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
OperationDelete.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
OperationDetail.h Change OperationDetail to not store complex objects in STL containers (#729139) 2014-05-18 10:07:45 -06:00
OperationFormat.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
OperationLabelFileSystem.h Rename class to OperationLabelFileSystem (#741424) 2015-02-01 10:08:23 -07:00
OperationNamePartition.h Add support for GPT partition names (#741424) 2015-02-01 10:08:23 -07:00
OperationResizeMove.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
Partition.h Add whole_device flag to the partition object (#743181) 2015-03-09 11:04:13 -06:00
PipeCapture.h Prevent cross thread write after free in _OnReadable() (#731752) 2014-07-06 10:22:40 -06:00
Proc_Partitions_Info.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
TreeView_Detail.h Add support for GPT partition names (#741424) 2015-02-01 10:08:23 -07:00
Utils.h Add lookup for Linux kernel names of mountable file systems (#742741) 2015-03-09 10:50:40 -06:00
Win_GParted.h Add support for GPT partition names (#741424) 2015-02-01 10:08:23 -07:00
btrfs.h Display btrfs members in the Partition Information dialog (#723842) 2014-07-28 10:03:16 -06:00
exfat.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
ext2.h Check for e4fsprogs commands for ext4 support on RHEL/CentOS 5.x (#738706) 2014-10-27 09:32:36 -06:00
f2fs.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
fat16.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
hfs.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
hfsplus.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
i18n.h Make include guards unique (#539297) 2013-06-05 10:57:39 -06:00
jfs.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
linux_swap.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
lvm2_pv.h Make partition busy detection method selectable per file system (#723842) 2014-07-28 10:03:16 -06:00
nilfs2.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
ntfs.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
reiser4.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
reiserfs.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
ufs.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00
xfs.h Replace obsolete FSF postal address in copyright notices (#721565) 2014-01-26 10:53:23 +00:00