From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261328AbTDHMWp (for ); Tue, 8 Apr 2003 08:22:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261329AbTDHMWp (for ); Tue, 8 Apr 2003 08:22:45 -0400 Received: from pc2-cwma1-4-cust86.swan.cable.ntl.com ([213.105.254.86]:54424 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S261328AbTDHMWo (for ); Tue, 8 Apr 2003 08:22:44 -0400 Subject: Re: help writing file system From: Alan Cox To: dave Cc: Linux Kernel Mailing List In-Reply-To: <002501c2fe57$3dfb3b80$0b721cac@stacy> References: <002501c2fe57$3dfb3b80$0b721cac@stacy> Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Message-Id: <1049801752.8118.1.camel@dhcp22.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-5) Date: 08 Apr 2003 12:35:53 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mer, 2003-04-09 at 06:16, dave wrote: > My report files work like this > 1. OPEN > Memory is allocated and status information is loaded into the memory > 2. READ > Normal read of the memory (report) > 5. RELASE > The report memory is freed > > so now I want my driver when is starts to make an mount point in /proc/lnvrm > and then /proc doesnt work that way. /proc works on the basis that each read generates a new fake set of data, reports it and frees it. > 1. how do you make a mount point in /proc ? Just make a directory, you can mount over /proc/foo if you wish > 2. how do you auto mount that point ? You dont. You let the user do it > 3 how do you make a device node in proc ? (I wont use this but it is > interesting to me) You dont All this is actually a lot easier in 2.5 with libfs/sysfs for managing system objects. Alan