From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934394Ab0EZHKM (ORCPT ); Wed, 26 May 2010 03:10:12 -0400 Received: from crca.org.au ([74.207.252.120]:57629 "EHLO crca.org.au" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934362Ab0EZHKI (ORCPT ); Wed, 26 May 2010 03:10:08 -0400 X-Bogosity: Ham, spamicity=0.000000 Message-ID: <4BFCC94C.2050706@crca.org.au> Date: Wed, 26 May 2010 17:10:04 +1000 From: Nigel Cunningham User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.9) Gecko/20100423 Thunderbird/3.0.4 MIME-Version: 1.0 To: "Rafael J. Wysocki" , pm list , LKML , TuxOnIce-devel Subject: [PATCH 3/5] Hibernation: Add mass swap allocation routine. Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a routine to allocate swap from a device en masse. This is only for use by the in-kernel implementation, not uswsusp. Signed-off-by: Nigel Cunningham --- kernel/power/swap.c | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) diff --git a/kernel/power/swap.c b/kernel/power/swap.c index e555b6c..550c1ed 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -187,6 +187,19 @@ sector_t alloc_swapdev_block(int swap) return 0; } +int alloc_swapdev_blocks(int needed) +{ + int i; + + for (i = 0; i < needed; i++) { + sector_t res = alloc_swapdev_block(root_swap); + if (!res) + break; + } + + return i; +} + /** * free_all_swap_pages - free swap pages allocated for saving image data. * It also frees the extents used to register which swap entres had been -- 1.7.0.4