Date: Sat, 3 Jul 2010 15:18:16 +1000
From: Nick Piggin <npiggin@suse.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Chinner <david@fromorbit.com>, linux-fsdevel@vger.kernel.org,
       linux-kernel@vger.kernel.org, John Stultz <johnstul@us.ibm.com>,
       Frank Mayhar <fmayhar@google.com>
Subject: Re: [patch 29/52] fs: icache lock i_count
Message-ID: <20100703051816.GG11732@laptop>
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 <20100630120502.GB21358@laptop>
 <20100702190355.2b3fe6d2.akpm@linux-foundation.org>
 <20100703034123.GE11732@laptop>
 <20100702213149.f0ca2f72.akpm@linux-foundation.org>
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On Sat, Jul 03, 2010 at 03:06:52PM +1000, Nick Piggin wrote:
> It is possible that locking can be reduced if some things are verified
> and carefully shown not to matter. I just don't see the need yet and it
> would make things overly complicated I think. Introducing any more
> complexity will sink this patchset.

By overly complicated, I mean, for this patchset where locking is
already been rewritten. It would then be no more complicated (actually
far less) than equivalently trying to lift inode_lock from parts of the
code where it is causing contention times.

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