Re: [patch 06/52] fs: scale files_lock

From: Peter Zijlstra
Date: Thu Jun 24 2010 - 03:52:29 EST


On Thu, 2010-06-24 at 13:02 +1000, npiggin@xxxxxxx wrote:
>
> One difficulty with this approach is that a file can be removed from the list
> by another CPU. We must track which per-cpu list the file is on. Scalability
> could suffer if files are frequently removed from different cpu's list.


Is this really a lot less complex than what I did with my fine-grained
locked list?


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