linux-kernel - Re: sysfs regression: wrong link counts

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Message-ID: <20120130221059.26ab5edf@pyramind.ukuu.org.uk>
Date:	Mon, 30 Jan 2012 22:10:59 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Greg KH <greg@...ah.com>
Cc:	Jiri Slaby <jslaby@...e.cz>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	LKML <linux-kernel@...r.kernel.org>,
	systemd-devel@...ts.freedesktop.org
Subject: Re: sysfs regression: wrong link counts

> Isn't there some other "proper" way of doing this in userspace, or is
> this really the correct way?

You can look at the S_IFMT bits and stuff however link count indicating
number of subdirectories is a standard Unix thing and used by many quite
mundane tools as an optimisation.

Alan
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