linux-kernel - Re: [RFC PATCHES] Re: Is configfs the right solution for configuration based fs?

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Message-ID: <20080621084440.GA25489@ca-server1.us.oracle.com>
Date:	Sat, 21 Jun 2008 01:44:40 -0700
From:	Joel Becker <Joel.Becker@...cle.com>
To:	Ben Nizette <bn@...sdigital.com>
Cc:	Johannes Berg <johannes@...solutions.net>,
	"Luis R. Rodriguez" <mcgrof@...il.com>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	linux kernel <linux-kernel@...r.kernel.org>,
	Greg KH <greg@...ah.com>,
	Satyam Sharma <ssatyam@....iitk.ac.in>,
	Felix Fietkau <nbd@...nwrt.org>,
	Al Viro <viro@....linux.org.uk>,
	"H. Peter Anvin" <hpa@...nel.org>
Subject: Re: [RFC PATCHES] Re: Is configfs the right solution for
	configuration based fs?

On Sat, Jun 21, 2008 at 06:03:42PM +1000, Ben Nizette wrote:
> In the kobject/kset case the separation makes sense as kobjects are
> embedded in things all over the kernel controlling things like ref
> counting, device model glue, hotplug info as well as the sysfs
> representation.  The config_item doesn't have any responsibilities
> outside of the configfs representation (does it?) so the analogy isn't
> 100%.  Though of course the item/group split makes sense if there are
> grander plans for the config_item in the future.

	The config_item is indeed embedded in whatever struct it maps
too.  eg, the ocfs2 nodemanager can have a couple hundred nodes, and
that's one config_item per.  The fs/dlm stuff can have even more nodes.

Joel

-- 

Life's Little Instruction Book #222

	"Think twice before burdening a friend with a secret."

Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker@...cle.com
Phone: (650) 506-8127
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