linux-kernel - Re: [PATCH 01/20] sysfs: Implement sysfs_rename

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Date:	Thu, 21 May 2009 14:35:50 +0900
From:	Tejun Heo <tj@...nel.org>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	linux-kernel@...r.kernel.org,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	linux-fsdevel@...r.kernel.org,
	Benjamin Thery <benjamin.thery@...l.net>,
	Daniel Lezcano <dlezcano@...ibm.com>,
	"Eric W. Biederman" <ebiederm@...stanetworks.com>
Subject: Re: [PATCH 01/20] sysfs: Implement sysfs_rename_link

Hello,

Eric W. Biederman wrote:
> +int sysfs_rename_link(struct kobject *kobj, struct kobject *targ,
> +			const char *old, const char *new)
> +{
> +	sysfs_remove_link(kobj, old);
> +	return sysfs_create_link(kobj, targ, new);
> +}
> +

Removal and creation are done in the reverse order compared to the one
used in device rename.  The important difference is that previously
failed operation was noop whereas it now would remove the current
link.  I think the old order is correct.

Thanks.

-- 
tejun
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