From patchwork Sat Oct 11 19:04:38 2008 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Aneesh Kumar K.V" X-Patchwork-Id: 4023 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by ozlabs.org (Postfix) with ESMTP id CC243DDDED for ; Sun, 12 Oct 2008 06:04:55 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759592AbYJKTEz (ORCPT ); Sat, 11 Oct 2008 15:04:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755140AbYJKTEz (ORCPT ); Sat, 11 Oct 2008 15:04:55 -0400 Received: from E23SMTP01.au.ibm.com ([202.81.18.162]:37875 "EHLO e23smtp01.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759592AbYJKTEy (ORCPT ); Sat, 11 Oct 2008 15:04:54 -0400 Received: from d23relay03.au.ibm.com (d23relay03.au.ibm.com [202.81.18.234]) by e23smtp01.au.ibm.com (8.13.1/8.13.1) with ESMTP id m9BJ4xLd012600 for ; Sun, 12 Oct 2008 06:04:59 +1100 Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay03.au.ibm.com (8.13.8/8.13.8/NCO v9.1) with ESMTP id m9BJ4pbU4431976 for ; Sun, 12 Oct 2008 06:04:51 +1100 Received: from d23av03.au.ibm.com (loopback [127.0.0.1]) by d23av03.au.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m9BJ4oJU003855 for ; Sun, 12 Oct 2008 06:04:50 +1100 Received: from localhost.localdomain ([9.77.123.162]) by d23av03.au.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id m9BJ4fm2003792; Sun, 12 Oct 2008 06:04:46 +1100 From: "Aneesh Kumar K.V" To: cmm@us.ibm.com, tytso@mit.edu, sandeen@redhat.com, npiggin@suse.de Cc: linux-ext4@vger.kernel.org, "Aneesh Kumar K.V" Subject: [PATCH 2/4] vfs: Remove the range_cont writeback mode. Date: Sun, 12 Oct 2008 00:34:38 +0530 Message-Id: <1223751880-16325-2-git-send-email-aneesh.kumar@linux.vnet.ibm.com> X-Mailer: git-send-email 1.6.0.2.514.g23abd3 In-Reply-To: <1223751880-16325-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1223751880-16325-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Ext4 was the only user of range_cont writeback mode and ext4 switched to a different method. So remove the range_cont mode which is not used in the kernel. Signed-off-by: Aneesh Kumar K.V --- include/linux/writeback.h | 1 - mm/page-writeback.c | 2 -- 2 files changed, 0 insertions(+), 3 deletions(-) diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 12b15c5..bd91987 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -63,7 +63,6 @@ struct writeback_control { unsigned for_writepages:1; /* This is a writepages() call */ unsigned range_cyclic:1; /* range_start is cyclic */ unsigned more_io:1; /* more io to be dispatched */ - unsigned range_cont:1; }; /* diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 24de8b6..718efa6 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -961,8 +961,6 @@ int write_cache_pages(struct address_space *mapping, if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0)) mapping->writeback_index = index; - if (wbc->range_cont) - wbc->range_start = index << PAGE_CACHE_SHIFT; return ret; } EXPORT_SYMBOL(write_cache_pages);