From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933373AbWFZWsJ (ORCPT ); Mon, 26 Jun 2006 18:48:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933347AbWFZWrr (ORCPT ); Mon, 26 Jun 2006 18:47:47 -0400 Received: from cust9421.vic01.dataco.com.au ([203.171.70.205]:42679 "EHLO nigel.suspend2.net") by vger.kernel.org with ESMTP id S933329AbWFZWlv (ORCPT ); Mon, 26 Jun 2006 18:41:51 -0400 From: Nigel Cunningham Subject: [Suspend2][ 13/28] [Suspend2] Initialise/cleanup swapwriter Date: Tue, 27 Jun 2006 08:41:49 +1000 To: linux-kernel@vger.kernel.org Message-Id: <20060626224148.4975.13748.stgit@nigel.suspend2.net> In-Reply-To: <20060626224105.4975.90758.stgit@nigel.suspend2.net> References: <20060626224105.4975.90758.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 Initialise and cleanup routines, called when we're going to do something. It may be just modifying a setting, but some of these result in I/O being done to (eg) check whether an image exists. Signed-off-by: Nigel Cunningham kernel/power/suspend_swap.c | 23 +++++++++++++++++++++++ 1 files changed, 23 insertions(+), 0 deletions(-) diff --git a/kernel/power/suspend_swap.c b/kernel/power/suspend_swap.c index 792bcc8..ae0dfad 100644 --- a/kernel/power/suspend_swap.c +++ b/kernel/power/suspend_swap.c @@ -429,3 +429,26 @@ static int swapwriter_storage_available( return swapinfo.freeswap + swapwriter_storage_allocated(); } +static int swapwriter_initialise(int starting_cycle) +{ + if (!starting_cycle) + return 0; + + enable_swapfile(); + + if (resume_dev_t && !resume_block_device && + IS_ERR(resume_block_device = + open_bdev(MAX_SWAPFILES, resume_dev_t))) + return 1; + + return 0; +} + +static void swapwriter_cleanup(int ending_cycle) +{ + if (ending_cycle) + disable_swapfile(); + + close_bdevs(); +} + -- Nigel Cunningham nigel at suspend2 dot net