Re: [patch 02/20] make the inode i_mmap_lock a reader/writer lock

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On Wed, 2007-12-19 at 11:31 -0500, Rik van Riel wrote:
> On Wed, 19 Dec 2007 10:52:09 -0500
> Lee Schermerhorn <[email protected]> wrote:
> 
> > I keep these patches up to date for testing.  I don't have conclusive
> > evidence whether they alleviate or exacerbate the problem nor by how
> > much.  
> 
> When the queued locking from Ingo's x86 tree hits mainline,
> I suspect that spinlocks may end up behaving a lot nicer.

That would be worth testing with our problematic workloads...

> 
> Should I drop the rwlock patches from my tree for now and
> focus on just the page reclaim stuff?

That's fine with me.  They're out there is anyone is interested.  I'll
keep them up to date in my tree [and hope they don't conflict with split
lru and noreclaim patches too much] for occasional testing.

Lee

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