Message-ID: <4B1DEE09.4010508@cn.fujitsu.com>
Date: Tue, 08 Dec 2009 14:11:21 +0800
From: Li Zefan <lizf@cn.fujitsu.com>
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To: linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org,
       akpm@linux-foundation.org, menage@google.com
Subject: Re: [RFC] [PATCH 5/5] cgroups: subsystem dependencies
References: <20091204085349.GA18867@andrew.cmu.edu> <20091204085854.GE18912@andrew.cmu.edu>
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> This patch adds a mechanism with which a subsystem can specify dependencies on
> other subsystems. Since subsystems can come and go, it would not be useful to
> refer to a depended-upon subsystem by subsys_id, so instead a NULL-terminated
> array of strings must be specified. Validation is done by scanning for each
> potential subsystem its list of subsystem names with strcmp at the end of
> parse_cgroupfs_options.

I once posted a patch to implement this feature, but it was
rejected by Andrew, because there was no user using it.

And still there is no user, right?


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