Review Request 112040: Do not create duplicate UMS collections for encrypted volumes

[Frank Meerkoetter]

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http://git.reviewboard.kde.org/r/112040/
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Review request for Amarok.


Description
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When I plug an encrypted USB-stick amarok is creating two UMS collections for it. Both have the same mount point.

$ solid-hardware list details
[...]
udi = '/org/freedesktop/UDisks/devices/dm_2d5'
  parent = '/org/freedesktop/UDisks/devices/sdd1'  (string)
  vendor = ''  (string)
  product = ''  (string)
  description = '29.9 GiB Removable Media'  (string)
  Block.major = 252  (0xfc)  (int)
  Block.minor = 5  (0x5)  (int)
  Block.device = '/dev/dm-5'  (string)
  StorageAccess.accessible = true  (bool)
  StorageAccess.filePath = '/media/62a745fa-6350-4ee5-ba37-0462dfa3530f'  (string)
  StorageAccess.ignored = false  (bool)
  StorageVolume.ignored = false  (bool)
  StorageVolume.usage = 'FileSystem'  (0x2)  (enum)
  StorageVolume.fsType = 'ext4'  (string)
  StorageVolume.label = ''  (string)
  StorageVolume.uuid = '62a745fa-6350-4ee5-ba37-0462dfa3530f'  (string)
  StorageVolume.size = 32125222912  (0x77ad00000)  (qulonglong)
[...]
udi = '/org/freedesktop/UDisks/devices/sdd1'
  parent = '/org/freedesktop/UDisks/devices/sdd'  (string)
  vendor = 'JetFlash'  (string)
  product = 'Transcend 32GB'  (string)
  description = '29.9 GiB Encrypted Container'  (string)
  Block.major = 8  (0x8)  (int)
  Block.minor = 49  (0x31)  (int)
  Block.device = '/dev/sdd1'  (string)
  StorageAccess.accessible = true  (bool)
  StorageAccess.filePath = '/media/62a745fa-6350-4ee5-ba37-0462dfa3530f'  (string)
  StorageAccess.ignored = false  (bool)
  StorageVolume.ignored = false  (bool)
  StorageVolume.usage = 'Encrypted'  (0x5)  (enum)
  StorageVolume.fsType = 'crypto_LUKS'  (string)
  StorageVolume.label = ''  (string)
  StorageVolume.uuid = '1a38165b-2eee-41d0-acd1-6d34032f47fd'  (string)
  StorageVolume.size = 32127320064  (0x77af00000)  (qulonglong)

This patch is filtering out the storage volume where the usage field is set to "Encrypted" (as opposed to "Filesystem").


Diffs
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  src/core-impl/collections/umscollection/UmsCollection.cpp 028966e 

Diff: http://git.reviewboard.kde.org/r/112040/diff/


Testing
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I have tested plugin an USB-stick containing an dmcrypt/luks encrypted ext4fs. I also tested with an USB-stick that was not encrypted.


Thanks,

Frank Meerkoetter

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