From: Andi Kleen <andi@firstfloor.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: Andi Kleen <andi@firstfloor.org>,
Dave Chinner <david@fromorbit.com>,
Frank Mayhar <fmayhar@google.com>,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
mrubin@google.com, torvalds@linux-foundation.org,
viro@zeniv.linux.org.uk
Subject: Re: Results of my VFS scaling evaluation.
Date: Sun, 10 Oct 2010 10:20:39 +0200 [thread overview]
Message-ID: <20101010082038.GA17133@basil.fritz.box> (raw)
In-Reply-To: <20101010073732.GA4097@infradead.org>
> Certainly not for .37, where even the inode_lock splitup is pretty damn
> later. Nick disappearing for a few weeks and others having to pick up
> the work to sort it out certainly doesn't help. And the dcache_lock
> splitup is a much larget task than that anyway. Getting that into .38
> is the enabler for doing more fancy things. And as Dave mentioned at
> least in the writeback area it's much better to sort out the algorithmic
> problems now than to blindly split some locks up more.
I don't see why the algorithmic work can't be done in parallel
to the lock split up?
Just the lock split up on its own gives us large gains here.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
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next prev parent reply other threads:[~2010-10-10 8:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-08 23:32 Results of my VFS scaling evaluation Frank Mayhar
2010-10-09 0:33 ` Frank Mayhar
2010-10-09 0:38 ` Valerie Aurora
2010-10-11 18:47 ` Frank Mayhar
2011-01-13 11:13 ` Nick Piggin
2010-10-09 3:16 ` Dave Chinner
2010-10-10 6:54 ` Andi Kleen
2010-10-10 7:37 ` Christoph Hellwig
2010-10-10 8:20 ` Andi Kleen [this message]
2010-10-10 8:37 ` Christoph Hellwig
2010-10-10 12:03 ` Andi Kleen
2010-10-10 23:50 ` Dave Chinner
2010-10-10 23:31 ` Dave Chinner
2010-10-10 6:50 ` Andi Kleen
2010-10-19 21:59 ` Results of my VFS scaling evaluation, redux Frank Mayhar
2010-10-19 22:03 ` Frank Mayhar
2010-10-22 19:03 ` VFS scaling evaluation results, redux Frank Mayhar
2010-10-23 0:00 ` Lin Ming
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