From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750822AbWFZQsu (ORCPT ); Mon, 26 Jun 2006 12:48:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750809AbWFZQsP (ORCPT ); Mon, 26 Jun 2006 12:48:15 -0400 Received: from cust9421.vic01.dataco.com.au ([203.171.70.205]:36325 "EHLO nigel.suspend2.net") by vger.kernel.org with ESMTP id S1750812AbWFZQrq (ORCPT ); Mon, 26 Jun 2006 12:47:46 -0400 From: Nigel Cunningham Subject: [Suspend2][ 6/7] [Suspend2] Register and remove proc file functions. Date: Tue, 27 Jun 2006 02:47:50 +1000 To: linux-kernel@vger.kernel.org Message-Id: <20060626164749.10724.12205.stgit@nigel.suspend2.net> In-Reply-To: <20060626164729.10724.37131.stgit@nigel.suspend2.net> References: <20060626164729.10724.37131.stgit@nigel.suspend2.net> Content-Type: text/plain; charset=utf-8; format=fixed Content-Transfer-Encoding: 8bit User-Agent: StGIT/0.9 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Functions to add and remove a Suspend2 proc file entry. Signed-off-by: Nigel Cunningham kernel/power/proc.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 44 insertions(+), 0 deletions(-) diff --git a/kernel/power/proc.c b/kernel/power/proc.c index dad818f..9722377 100644 --- a/kernel/power/proc.c +++ b/kernel/power/proc.c @@ -281,3 +281,47 @@ static void suspend_initialise_proc(void suspend_register_procfile(&proc_params[i]); } +/* suspend_register_procfile + * + * Helper for registering a new /proc/suspend2 entry. + */ + +struct proc_dir_entry *suspend_register_procfile( + struct suspend_proc_data *suspend_proc_data) +{ + struct proc_dir_entry *new_entry; + + if (!suspend_proc_initialised) + suspend_initialise_proc(); + + new_entry = create_proc_entry( + suspend_proc_data->filename, + suspend_proc_data->permissions, + suspend_dir); + if (new_entry) { + list_add_tail(&suspend_proc_data->proc_data_list, &suspend_proc_entries); + new_entry->read_proc = suspend_read_proc; + new_entry->write_proc = suspend_write_proc; + new_entry->data = suspend_proc_data; + } else { + printk("Error! create_proc_entry returned NULL.\n"); + INIT_LIST_HEAD(&suspend_proc_data->proc_data_list); + } + return new_entry; +} + +/* suspend_unregister_procfile + * + * Helper for removing unwanted /proc/suspend2 entries. + * + */ +void suspend_unregister_procfile(struct suspend_proc_data *suspend_proc_data) +{ + if (list_empty(&suspend_proc_data->proc_data_list)) + return; + + remove_proc_entry( + suspend_proc_data->filename, + suspend_dir); + list_del(&suspend_proc_data->proc_data_list); +} -- Nigel Cunningham nigel at suspend2 dot net