Re: fs/ext2/namei.c: dir link/unlink bug? [Re: mv changes dir timestamp

From: Eric W. Biederman (ebiederm@xmission.com)
Date: Mon Oct 01 2001 - 22:06:44 EST


Nilmoni Deb <ndeb@ece.cmu.edu> writes:

> On 1 Oct 2001, Eric W. Biederman wrote:
>
> > Or vice versa, as touch will also go back in time.
>
> This is not a good idea because once the user has to remember the exact
> time stamp before the move and put that on the moved dir using touch.

You add a mv -p option to do it for you.
 
> > My question is which semantics are desirable, and why. I conceed
> > that something has changed. And that changing the functionality back
> > to the way it was before may be desireable. But given that the
> > directory is in fact changed my gut reaction is that the new behavior
> > is more correct than the old behavior.
>
> U r right but most users won't care too much about the ".." link inside
> each dir. Its the other files that really count. If the other files
> remain unchanged then they consider the dir as unchanged.

O.k. So nothing breaks and we just have a suprising change to more
correct behavior. Given that I don't see the case for making a special
case in the code.

Eric
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