XFS with project quota support in Kernel 2.6.28(.9)

[Christoph Hellwig]

On Mon, Nov 14, 2011 at 03:36:51PM +0100, Maarten Vergouwe wrote:
> Hi
> 
> I have problems in writes that hang for more than 7 seconds because of the
> the kthreadd daemon keeping a mutex locked for too long.
> Is there someone who might be able to help me with that?
> I saw that a lot of changes were done on the XFS quota support in later
> kernels, but the patch list is too long between my kernel and the changed
> quota system.

Did you manage to check if you can reproduce the issue with a recent
kernel?