Re: File copy problems kde 4.5 to 4.6.1 with reiser4

[Berny <berny@dwami.com>]

On 03/09/2011 10:32 AM, Serkan Kaba wrote:
> 2011/3/9 berny®<berny@dwami.com>:
>> Hi Edward,
>> first thank you for your work.
>>
>> I'm using reiser4 for all my partitions on my working machine with kernel 2.6.37 with no problems
>> except one annoying one that is going on from months.
>> When I copy a file (whatever) from one directory to another with konqueror, dolphin or krusader with
>> kde 4.6.1 the file get copied, it's size is correct but it is empty.
>>
>> This happen only in the partitions formatted with reiser4 and not on the xfs, reiser3 ones.
>>
>>
>> Thank you,
>> warm regards,
>> Paolo
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>
> I suspect that it's similar to what I experienced with gnome upgrade
> back in time. My problem was due to issues in splice code path which
> GNOME switch to for file copying along the way. I already reported
> this to GNOME [1] as well as this ML [2,3]. The issue appearing in
> only uncompressed partitions is interesting, Edward already asked me
> if mine was, which isn't. My current workaround is to use a patched
> version of glib (part of gnome libs) that avoids using splice for
> reiser4 targets. If you have a KDE bugzilla account, can you also
> provide them links for discussions in the list as well as the GNOME
> bug?
>
> 1: https://bugzilla.gnome.org/show_bug.cgi?id=615346
> 2: http://marc.info/?l=reiserfs-devel&m=127096098705179&w=2
> 3: http://marc.info/?l=reiserfs-devel&m=129275181431455&w=2
> --

So it seems that also kde probably use this library to splice data from 
a pipe, I saw that it seemed resolved in 2.6.36 but it is here again in 
2.6.37.
I read your links, very good information.
I never know that kde was using this splice for copying things.
Sorry but I'm not member of kde bugzilla, I was simply searching for 
information.
The problem is that only reiser4 exhibit this problem on my system so I 
guessed that was a problem of this file system, this is the reason 
because I didn't fill a bug on the other bugzilla.

Thanks,
Paolo


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