[OpenAFS] open/free imbalance

Frank Burkhardt fbo2@gmx.net
Tue, 24 Nov 2009 13:01:11 +0100


On Mon, Nov 23, 2009 at 02:29:35PM +0000, Simon Wilkinson wrote:
> On 23 Nov 2009, at 08:52, Frank Burkhardt wrote:
> >Does anyone know, what it means?
> It means that we're not informing the IMA audit layer when we open a disk cache file for writing. Unfortunately for us, the 
> kernel is telling it when that file gets closed, and so you get an imbalance between opens and closes. Normally, it would be 
> simple to fix this, but sadly the IMA API can only be called from GPL'd code. So, at present, all we can say is that the OpenAFS 
> cache manager is incompatible with kernels built with IMA support.
> Fortunately, as you're building your own kernel, there is a simple solution - just disable IMA when you configure your kernel 
> build.

I'll do so. My main concern was that those messages could mean
"Warning: Data is being shredded".

Thank you for the explaination.