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[Bug 273369] New: digikam does not get UUID for disk devices inside LVM

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Bugzilla from kde@pupat-ghestem.net

[Bug 273369] New: digikam does not get UUID for disk devices inside LVM

https://bugs.kde.org/show_bug.cgi?id=273369

Summary: digikam does not get UUID for disk devices inside LVM
Product: digikam
Version: 1.9.0
Platform: Fedora RPMs
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
AssignedTo: [hidden email]
ReportedBy: [hidden email]

Version: 1.9.0 (using KDE 4.6.2)
OS: Linux

When adding an album on devices inside a LVM, digikam complains that it is not
able to identify the storage medium of the path. The album is then identify
only by its path which poses other problems if the device is LUKS and one
starts digikam without unlocking the LUKS device (see #271591 for more
details).

Reproducible: Always

Steps to Reproduce:
Add an album on a device inside an LVM

Actual Results:
digikam is unable to identify the storage medium of the path

Expected Results:
digikam should be able to identify the storage medium of the path

I understand that digikam relies on solid-hardware to find out the storage
devices.

Below is the solid-hardware output for one of a LUKS disks stored in a LVM for
which digikam fails:

udi = '/org/freedesktop/UDisks/devices/dm_2d7'
parent = '/org/freedesktop/UDisks/devices/dm_2d2' (string)
vendor = '' (string)
product = 'luks' (string)
description = 'luks' (string)
Block.major = 253 (0xfd) (int)
Block.minor = 7 (0x7) (int)
Block.device = '/dev/dm-7' (string)
StorageAccess.accessible = true (bool)
StorageAccess.filePath = '/home/luks' (string)
StorageAccess.ignored = true (bool)
StorageVolume.ignored = true (bool)
StorageVolume.usage = 'FileSystem' (0x2) (enum)
StorageVolume.fsType = 'ext4' (string)
StorageVolume.label = 'luks' (string)
StorageVolume.uuid = '13ea945a-ef5b-4db7-9fc6-34e1bd00df96' (string)
StorageVolume.size = 450102292480 (0x68cc2ff000) (qulonglong)

Below is the solid-hardware output for one of a non-encrypted disks stored in a
LVM for which digikam fails:

udi = '/org/freedesktop/UDisks/devices/dm_2d1'
parent = '/org/freedesktop/UDisks' (string)
vendor = '' (string)
product = 'homes' (string)
description = 'homes' (string)
Block.major = 253 (0xfd) (int)
Block.minor = 1 (0x1) (int)
Block.device = '/dev/dm-1' (string)
StorageAccess.accessible = true (bool)
StorageAccess.filePath = '/home' (string)
StorageAccess.ignored = true (bool)
StorageVolume.ignored = true (bool)
StorageVolume.usage = 'FileSystem' (0x2) (enum)
StorageVolume.fsType = 'ext4' (string)
StorageVolume.label = 'homes' (string)
StorageVolume.uuid = '92903620-f0f3-4f5a-bce2-7fb6de0650f7' (string)
StorageVolume.size = 93415538688 (0x15c0000000) (qulonglong)

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Bugzilla from kde@pupat-ghestem.net

[Bug 273369] digikam does not get UUID for disk devices inside LVM

https://bugs.kde.org/show_bug.cgi?id=273369

--- Comment #1 from Matthieu Pupat <kde pupat-ghestem net> 2011-05-16 03:05:21 ---
Created an attachment (id=60046)
--> (http://bugs.kde.org/attachment.cgi?id=60046)
patch

the problems comes from drives under LVM not being Drives and having UDisks as
parent which mean they do not belong to a drive either.

I do not know if it is an issue with solid-hardware or if this is digikam
assuming something it should not (i.e. each volume will have a drive as aparent
at some point).

Attached is a patch that fixes the issue in 1.9.0 and works fine for me.

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