linux-kernel - Re: [PATCH 10/41] FS-Cache: Add use of /proc and presentation of statistics [ver #48]

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Date:	Sat, 4 Apr 2009 13:39:36 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	David Howells <dhowells@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	nfsv4@...ux-nfs.org
Subject: Re: [PATCH 10/41] FS-Cache: Add use of /proc and presentation of
	statistics [ver #48]

On Fri, Apr 03, 2009 at 04:55:28PM +0100, David Howells wrote:
> Make FS-Cache create its /proc interface and present various statistical
> information through it.  Also provide the functions for updating this
> information.
> 
> These features are enabled by:
> 
> 	CONFIG_FSCACHE_PROC
> 	CONFIG_FSCACHE_STATS
> 	CONFIG_FSCACHE_HISTOGRAM
> 
> The /proc directory for FS-Cache is also exported so that caching modules can
> add their own statistics there too.
> 
> The FS-Cache module is loadable at this point, and the statistics files can be
> examined by userspace:
> 
> 	cat /proc/fs/fscache/stats
> 	cat /proc/fs/fscache/histogram

I thought we didn't want to use procfs for these kinds of things
anymore.

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