netdev - Re: [PATCH -mm 9/9] netconsole: Support dynamic reconfiguration using configfs

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Date:	Sun, 08 Jul 2007 03:33:59 +0900
From:	KII Keiichi <k-keiichi@...jp.nec.com>
To:	Satyam Sharma <ssatyam@....iitk.ac.in>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Netdev <netdev@...r.kernel.org>,
	Joel Becker <joel.becker@...cle.com>,
	Matt Mackall <mpm@...enic.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH -mm 9/9] netconsole: Support dynamic reconfiguration using
 configfs

Hi Satyam,

> After more discussion, Joel suggested the idea to separately manage the
> lifetimes of the two kinds of netconsole_target objects, those created while
> parsing boot/module options and those created via configfs mkdir(2) from
> userspace, in my driver itself. That adds a little bit of complexity and
> redundancy (multiple item creation and destruction points) in this driver.
> Note that the latter type (configfs-created netconsole_targets) can be
> modified / updated / destroyed at runtime from userspace but the former
> (param string created) cannot, as they are not exposed through our configfs
> namespace. However, this is not really a problem and is similar to current
> behaviour in any case.

Maybe you should add the above description into 
Documentation/networking/netconsole.txt.
The users of netconsole applied these patches may think that they can change 
parameters of netconsole_target(param string created at the time of parsing 
boot/options).

And I'm going to search the another solution of this problem and read the 
code of configfs.

Thanks
-- 
Keiichi KII
NEC Corporation OSS Platform Development Division
E-mail: k-keiichi@...jp.nec.com


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