Tag writing inefficient?

[Elias Probst]

Hi,

I've noticed some trouble when re-tagging some of my FLAC albums using Amarok.
Updating the tags of a single FLAC album takes up to 10 minutes, because my 
music collection is stored on a NFS share on my fileserver where I connect to 
via WLAN.

When writing now the tags, it seems the whole FLAC files are transferred to my 
client and back again to the server.

Doesn't it suffice just rewriting the header of the file containing the metadata? 
Is it really necessary to rewrite the whole file?

As I don't have the slightest clue about the technical details when it comes 
to writing tags to files, I actually might be wrong, but maybe some of the devs 
or people with a little more knowledge of this topic could discuss, what to do 
here.

Fact is: tagging FLAC (or other large files) through a slow link (such as WLAN) 
is absolutely painful!
Maybe you'll find a smart way how to improve this.

Thanks a lot!
Elias P.
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