linux-kernel - Re: [patch 00/28] [rfc] dcache scaling part 1

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Message-ID: <20101117021244.GM22876@dastard>
Date:	Wed, 17 Nov 2010 13:12:44 +1100
From:	Dave Chinner <david@...morbit.com>
To:	Nick Piggin <npiggin@...nel.dk>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [patch 00/28] [rfc] dcache scaling part 1

On Wed, Nov 17, 2010 at 01:09:00AM +1100, Nick Piggin wrote:
> There are 3 main parts to dcache scaling. This one primarily adds new locks
> to take over dcache_lock, and some pre/post prep and streamlining patches.
> 
> The second implements fine grained locking, and is rather trivial after
> part 1.
> 
> The third implements rcu-walk. rcu-walk depends on the first part, because it
> relies on using d_lock to protect the state of the dentry (when converting from
> rcu-walk to refcounted walk). Without the fine grained locing, we'd need to use
> dcache_lock for that, which would be a step backwards to put into path walking
> again.
> 
> Comments?

Do you have a git tree somewhere with this series in it?

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
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