Re: [PATCH 3/3] writeback: avoid extra sync work at enqueue time

[Christoph Hellwig]

On Thu, May 05, 2011 at 02:41:22PM +0200, Christoph Hellwig wrote:
> On Thu, May 05, 2011 at 08:27:32PM +0800, Wu Fengguang wrote:
> > -	wbc.wb_start = jiffies; /* livelock avoidance */
> > +	oldest_jif = jiffies;
> > +	wbc.older_than_this = &oldest_jif;
> 
> Can't you kill the oldest_jif variable now?

Err, -ENOCOFFEE.  You could only kill it if you implement Jan's suggestion
of not making older_than_this a pointer..
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