[OpenAFS] Re: stackable file system above OpenAFS

Erik Braun erik.braun@uni-jena.de
Thu, 25 Sep 2014 13:20:07 +0200 (CEST)


On Tue, 23 Sep 2014, Andrew Deason wrote:

> Well, OpenAFS hasn't changed behavior because I haven't heard a reason
> for AUFS' behavior. I thought they could just lock the inode afterwards
> and that would avoid this, while still pretty clearly not introducing
> any other issues. That's what would sound most defensive/conservative to
> me. As far as I'm aware, neither openafs or aufs have a "good reason"
> for the behavior; we haven't been defending the existing behavior from
> each other or anything.

Thank you for the clarification. I'll tell you then, what the AUFS author 
thinks about changing the lock behaviour.

> As I mention in that linked message, the OpenAFS code maybe doesn't need
> to be like that. I could give you a patch that would avoid this issue,
> but I'm not sure if it causes any other problems; more time would need
> to be spent looking at it to be sure. (Or you can just try it and see
> what happens.)

I really would appreciate it if you send me this patch.

viele Gre,
Erik Braun