From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754230Ab0GKCiN (ORCPT ); Sat, 10 Jul 2010 22:38:13 -0400 Received: from mga01.intel.com ([192.55.52.88]:41016 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753240Ab0GKCiL (ORCPT ); Sat, 10 Jul 2010 22:38:11 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.55,182,1278313200"; d="scan'208";a="816867793" Message-Id: <20100711020656.340075560@intel.com> User-Agent: quilt/0.48-1 Date: Sun, 11 Jul 2010 10:06:56 +0800 From: Wu Fengguang To: Andrew Morton CC: Christoph Hellwig CC: Dave Chinner CC: Jan Kara CC: Peter Zijlstra Cc: Wu Fengguang cc: cc: Linux Memory Management List cc: LKML Subject: [PATCH 0/6] writeback cleanups and trivial fixes Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andrew, Here are some writeback cleanups to avoid unnecessary calculation overheads, and relative simple bug fixes. The patch applies to latest linux-next tree. The mmotm tree will need rebase to include commit 32422c79 (writeback: Add tracing to balance_dirty_pages) in order to avoid merge conflicts. [PATCH 1/6] writeback: take account of NR_WRITEBACK_TEMP in balance_dirty_pages() [PATCH 2/6] writeback: reduce calls to global_page_state in balance_dirty_pages() [PATCH 3/6] writeback: avoid unnecessary calculation of bdi dirty thresholds [PATCH 4/6] writeback: dont redirty tail an inode with dirty pages [PATCH 5/6] writeback: fix queue_io() ordering [PATCH 6/6] writeback: merge for_kupdate and !for_kupdate cases fs/fs-writeback.c | 68 ++++----------- include/linux/writeback.h | 5 - mm/backing-dev.c | 3 mm/page-writeback.c | 158 ++++++++++++++---------------------- 4 files changed, 89 insertions(+), 145 deletions(-) Thanks, Fengguang