From patchwork Fri Sep 30 07:17:24 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Weiner X-Patchwork-Id: 117042 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 761B11007DC for ; Fri, 30 Sep 2011 17:18:51 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753887Ab1I3HSr (ORCPT ); Fri, 30 Sep 2011 03:18:47 -0400 Received: from mx1.redhat.com ([209.132.183.28]:29739 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753876Ab1I3HSp (ORCPT ); Fri, 30 Sep 2011 03:18:45 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p8U7I5o9031248 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 30 Sep 2011 03:18:05 -0400 Received: from dexter.home.cmpxchg.org (vpn1-6-157.ams2.redhat.com [10.36.6.157]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p8U7I2dp028015 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Fri, 30 Sep 2011 03:18:04 -0400 From: Johannes Weiner To: Andrew Morton Cc: Mel Gorman , Christoph Hellwig , Dave Chinner , Wu Fengguang , Jan Kara , Rik van Riel , Minchan Kim , Chris Mason , "Theodore Ts'o" , Andreas Dilger , Shaohua Li , xfs@oss.sgi.com, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [patch 5/5] Btrfs: pass __GFP_WRITE for buffered write page allocations Date: Fri, 30 Sep 2011 09:17:24 +0200 Message-Id: <1317367044-475-6-git-send-email-jweiner@redhat.com> In-Reply-To: <1317367044-475-1-git-send-email-jweiner@redhat.com> References: <1317367044-475-1-git-send-email-jweiner@redhat.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Tell the page allocator that pages allocated for a buffered write are expected to become dirty soon. Signed-off-by: Johannes Weiner Reviewed-by: Rik van Riel Acked-by: Mel Gorman --- fs/btrfs/file.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index e7872e4..ea1b892 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1084,7 +1084,7 @@ static noinline int prepare_pages(struct btrfs_root *root, struct file *file, again: for (i = 0; i < num_pages; i++) { pages[i] = find_or_create_page(inode->i_mapping, index + i, - GFP_NOFS); + GFP_NOFS | __GFP_WRITE); if (!pages[i]) { faili = i - 1; err = -ENOMEM;