From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753876Ab0LVPdn (ORCPT ); Wed, 22 Dec 2010 10:33:43 -0500 Received: from mail-iy0-f174.google.com ([209.85.210.174]:62706 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753803Ab0LVPdl (ORCPT ); Wed, 22 Dec 2010 10:33:41 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=Mw4l0VzL5qm1bGviRw3gXfdqePIJb3hg4EqFLnRgcjMsk0tvH8rS7VV0X66raYrlsg 23so1V7zFhqVCNN0QXAul3gw78Ux1OApBcCrikGqHkk8/+i5tyUVYFBN4Ssp5FmYSGpC 6sKmtsZxueCZU+V4w5hKWZP4LafGa4bN0Lbpk= From: Minchan Kim To: Andrew Morton Cc: linux-mm , LKML , KAMEZAWA Hiroyuki , Minchan Kim , Miklos Szeredi , fuse-devel@lists.sourceforge.net Subject: [PATCH 2/7] fuse: Change remove_from_page_cache Date: Thu, 23 Dec 2010 00:32:44 +0900 Message-Id: <83e28e12e0c671777213e4a0d4fcc3b53c93ea1e.1293031046.git.minchan.kim@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series changes remove_from_page_cache's page ref counting rule. Page cache ref count is decreased in delete_from_page_cache. So we don't need decreasing page reference by caller. Cc: Miklos Szeredi Cc: fuse-devel@lists.sourceforge.net Signed-off-by: Minchan Kim Reviewed-by: KAMEZAWA Hiroyuki --- fs/fuse/dev.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index cf8d28d..1ef24fb 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -737,8 +737,7 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep) if (WARN_ON(PageMlocked(oldpage))) goto out_fallback_unlock; - remove_from_page_cache(oldpage); - page_cache_release(oldpage); + delete_from_page_cache(oldpage); err = add_to_page_cache_locked(newpage, mapping, index, GFP_KERNEL); if (err) { -- 1.7.0.4