Re: RFC - how to balance Dirty+Writeback in the face of slow writeback.

[Andi Kleen]

> > Ouch.  
> > I suspect we are going to see more of this, as USB drive for backups
> > is probably a very attractive option for many.
> 
> I can't see how this would occur on a 2.6 kernel 

I still got the traces to prove it:
http://www.firstfloor.org/~andi/usb-loop-copy-stall-1

e.g. notice the lynx which is stuck in a m/atime update. It was stalling
for a quite long time.

> 
-Andi
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