Re: [9fans] wstat and atomic directory change

[Giacomo Tesio <giacomo@tesio.it>]

Actually I've found a 9 years old mail about Tmove:
http://comp.os.plan9.narkive.com/xYi8Vg5d/9fans-fuse-bashing#post40

I'm not an advocate of Tmove in any way, but I can't really grasp the cons.
I'm sure that its omission was an explicit design choise, but where I
can read about the arguments that lead to such decision?


Giacomo

2015-02-05 9:21 GMT+01:00 Giacomo Tesio <giacomo@tesio.it>:
> 2015-02-05 5:13 GMT+01:00 <lucio@proxima.alt.za>:
>>
>> > But why we don't have Tmove for example?
>>
>> Because its semantics are much, much more complex and the users need
>> to be aware of the difference.
>
> This shouldn't be so hard to obtain.
>
> I mean we could simply introduce a new command "rename oldpath
> newpath" that only works when both path share the same mount point.
> This way the mv commands would keep the old "safe" semantic, while the
> new command would protect the user to accidentally disclosure his data
> to the world via the cloud.
>
>>  Imagine a Tmove that transfers your
>> entire disk contents to the cloud: would you like it to be perceived
>> as trivial?  What happens if you interrupt it?  Worse, what happens if
>> you can't interrupt it?
>
> I won't be drammatic: you can always unplug the enthernet! :-D
>
> Btw, I see the point.
>
>
> Giacomo