From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933234AbWFZXMi (ORCPT ); Mon, 26 Jun 2006 19:12:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933214AbWFZWiZ (ORCPT ); Mon, 26 Jun 2006 18:38:25 -0400 Received: from cust9421.vic01.dataco.com.au ([203.171.70.205]:59295 "EHLO nigel.suspend2.net") by vger.kernel.org with ESMTP id S933219AbWFZWhr (ORCPT ); Mon, 26 Jun 2006 18:37:47 -0400 From: Nigel Cunningham Subject: [Suspend2][ 11/32] [Suspend2] Test whether readahead is ready. Date: Tue, 27 Jun 2006 08:37:45 +1000 To: linux-kernel@vger.kernel.org Message-Id: <20060626223744.4376.24603.stgit@nigel.suspend2.net> In-Reply-To: <20060626223706.4376.96042.stgit@nigel.suspend2.net> References: <20060626223706.4376.96042.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 Determine whether a particular page's readahead has completed. Signed-off-by: Nigel Cunningham kernel/power/suspend_block_io.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/kernel/power/suspend_block_io.c b/kernel/power/suspend_block_io.c index ae45fc3..f14939e 100644 --- a/kernel/power/suspend_block_io.c +++ b/kernel/power/suspend_block_io.c @@ -400,3 +400,17 @@ static void suspend_wait_on_readahead(in do_bio_wait(6); } +/* + * readahead_done + * + * Returns whether the readahead requested is ready. + */ + +static int suspend_readahead_ready(int readahead_index) +{ + int index = readahead_index / BITS_PER_LONG; + int bit = readahead_index - (index * BITS_PER_LONG); + + return test_bit(bit, &suspend_readahead_flags[index]); +} + -- Nigel Cunningham nigel at suspend2 dot net