From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754112Ab2A3WJl (ORCPT ); Mon, 30 Jan 2012 17:09:41 -0500 Received: from lxorguk.ukuu.org.uk ([81.2.110.251]:56648 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753855Ab2A3WJj (ORCPT ); Mon, 30 Jan 2012 17:09:39 -0500 Date: Mon, 30 Jan 2012 22:10:59 +0000 From: Alan Cox To: Greg KH Cc: Jiri Slaby , "Eric W. Biederman" , LKML , systemd-devel@lists.freedesktop.org Subject: Re: sysfs regression: wrong link counts Message-ID: <20120130221059.26ab5edf@pyramind.ukuu.org.uk> In-Reply-To: <20120130220611.GA26655@kroah.com> References: <4F27120A.4040106@suse.cz> <20120130220611.GA26655@kroah.com> X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.8; x86_64-redhat-linux-gnu) Face: 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 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > 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