linux-kernel - Re: [PATCH 4/7] fs: break the file_list_lock for sb->s

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Message-ID: <20070128144358.GC16552@infradead.org>
Date:	Sun, 28 Jan 2007 14:43:58 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH 4/7] fs: break the file_list_lock for sb->s_files

On Sun, Jan 28, 2007 at 12:51:22PM +0100, Peter Zijlstra wrote:
> Break the protection of sb->s_files out from under the global file_list_lock.
> 
> sb->s_files is converted to a lock_list. furthermore to prevent the 
> lock_list_head of getting too contended with concurrent add operations
> the add is buffered in per cpu filevecs.

NACK.  Please don't start using lockdep internals in core code.

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