linux-kernel - Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code

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Message-ID: <20070322095651.GA17796@in.ibm.com>
Date:	Thu, 22 Mar 2007 15:26:51 +0530
From:	Srivatsa Vaddagiri <vatsa@...ibm.com>
To:	menage@...gle.com
Cc:	akpm@...l.org, pj@....com, sekharan@...ibm.com, dev@...ru,
	xemul@...ru, serue@...ibm.com, ebiederm@...ssion.com,
	ckrm-tech@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	containers@...ts.osdl.org, mbligh@...gle.com, winget@...gle.com,
	rohitseth@...gle.com, devel@...nvz.org
Subject: Re: [ckrm-tech] [PATCH 1/7] containers (V7): Generic container system abstracted from cpusets code

On Mon, Feb 12, 2007 at 12:15:22AM -0800, menage@...gle.com wrote:
> +static void remove_dir(struct dentry *d)
> +{
> +	struct dentry *parent = dget(d->d_parent);

Don't we need to lock parent inode's mutex here? sysfs seems to take
that lock.

> +
> +	d_delete(d);
> +	simple_rmdir(parent->d_inode, d);
> +	dput(parent);
> +}

-- 
Regards,
vatsa
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