From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754936AbZKRIcA (ORCPT ); Wed, 18 Nov 2009 03:32:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754689AbZKRIb7 (ORCPT ); Wed, 18 Nov 2009 03:31:59 -0500 Received: from mga14.intel.com ([143.182.124.37]:13622 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754162AbZKRIbz (ORCPT ); Wed, 18 Nov 2009 03:31:55 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.44,764,1249282800"; d="scan'208";a="212830432" Message-Id: <20091118082845.828021716@intel.com> User-Agent: quilt/0.48-1 Date: Wed, 18 Nov 2009 16:26:51 +0800 From: Wu Fengguang To: Andrew Morton To: Jens Axboe cc: , Evgeniy Polyakov , Wu Fengguang Cc: LKML Subject: [PATCH 03/12] writeback: remove unused nonblocking and congestion checks (pohmelfs) References: <20091118082648.140755818@intel.com> Content-Disposition: inline; filename=writeback-remove-congested-checks-linux_drivers_staging_pohmelfs_inode.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org No one is calling wb_writeback and write_cache_pages with wbc.nonblocking=1 any more. And lumpy pageout will want to do nonblocking writeback without the congestion wait. CC: Evgeniy Polyakov Signed-off-by: Wu Fengguang --- drivers/staging/pohmelfs/inode.c | 9 --------- 1 file changed, 9 deletions(-) --- linux.orig/drivers/staging/pohmelfs/inode.c 2009-11-06 09:22:36.000000000 +0800 +++ linux/drivers/staging/pohmelfs/inode.c 2009-11-06 09:52:12.000000000 +0800 @@ -152,11 +152,6 @@ static int pohmelfs_writepages(struct ad int scanned = 0; int range_whole = 0; - if (wbc->nonblocking && bdi_write_congested(bdi)) { - wbc->encountered_congestion = 1; - return 0; - } - if (wbc->range_cyclic) { index = mapping->writeback_index; /* Start from prev offset */ end = -1; @@ -248,10 +243,6 @@ retry: if (wbc->nr_to_write <= 0) done = 1; - if (wbc->nonblocking && bdi_write_congested(bdi)) { - wbc->encountered_congestion = 1; - done = 1; - } continue; out_continue: