[Kde-hardware-devel] Review Request 109418: Workaround races between Solid::Backends::UDisks2::DeviceManager and DeviceBackends

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This review has been submitted with commit 1576fd4df15b9cced4920b7ce0f49b467c5c081c by Dan Vrátil on behalf of Alexander Mezin to branch KDE/4.10.

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On March 11, 2013, 6:50 p.m., Alexander Mezin wrote:
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> http://git.reviewboard.kde.org/r/109418/
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> (Updated March 11, 2013, 6:50 p.m.)
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> 
> Review request for Solid and Lukáš Tinkl.
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> Description
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> DeviceManager and DeviceBackends are subscribed to the same signals. DeviceManager's slots can be executed earlier than DeviceBackend's, so when deviceAdded signals are emitted by DeviceManager, DeviceBackend could contain non-updated data.
> Usually the problem appears with optical disks: device notifier shows inserted disks as generic storage volumes or shows wrong label.
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> Possible workaround is forcing refresh of DeviceBackend's property cache before emitting deviceAdded signal. For optical disks drive's properties should also be updated, because OpticalDisc reads drive's properties
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> This addresses bug 314778.
>     http://bugs.kde.org/show_bug.cgi?id=314778
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> Diffs
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>   solid/solid/backends/udisks2/udisksdevicebackend.h 829fa41 
>   solid/solid/backends/udisks2/udisksdevicebackend.cpp 2a01b86 
>   solid/solid/backends/udisks2/udisksmanager.h fb929ce 
>   solid/solid/backends/udisks2/udisksmanager.cpp 71b9e3e 
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> Diff: http://git.reviewboard.kde.org/r/109418/diff/
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> Testing
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> Tested on KDE 4.10.1
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> Thanks,
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> Alexander Mezin
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