Jens, I think we need to pull this patch into 2.6.35 still.  While
we could fix the various races with the kfree and wakeup vs ->state
manipulation in a slightly smaller way at least this patch has gotten
lots of testing in linux-next and targeted stress testing.

On Tue, Jun 29, 2010 at 04:26:50PM -0400, Christoph Hellwig wrote:
quoted text
> On Tue, Jun 29, 2010 at 04:28:16PM -0400, Larry Woodman wrote:
> > Can you have one unconditional call to wb_clear_pending() after the
> > calling wb_writeback()???
> 
> In fact we should only have a conditional call after wb_writeback.
> I've done that already and it's in Jens' tree for 2.6.36:
> 
> 	http://git.kernel.dk/?p=linux-2.6-block.git;a=commitdiff;h=79338d2a78ab78efdc1698f1309...
> 
---end quoted text---
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