Re: [regression] Crash in wb_clear_pending() (was: Linux 2.6.35-rc4)

[Ingo Molnar <mingo@elte.hu>]

* Ingo Molnar <mingo@elte.hu> wrote:

> * Christoph Hellwig <hch@infradead.org> wrote:
> 
> > We had a thread about it a few days ago.  The following commit from
> > Jens' 2.6.36 tree needs to go into 2.6.35 to sort the issues with the
> > fragile wakeup mechanism which only got worse by the patches out:
> > 	
> > 	http://git.kernel.dk/?p=linux-2.6-block.git;a=commitdiff;h=79338d2a78ab78efdc1698f1309766a039addf9d
> 
> I've attached it below - in case someone wants to apply it before it hits 
> upstream.
> 
> Scary big patch btw. - is there no smaller fix?

Nor does it apply to v2.6.35-rc4:

 Applying: writeback: simplify the write back thread queue
 error: patch failed: fs/fs-writeback.c:703
 error: fs/fs-writeback.c: patch does not apply
 Patch failed at 0001 writeback: simplify the write back thread queue

I guess it has other dependencies as well. If you want me to test the fix then 
please send a version that applies.

Thanks,

	Ingo