From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752718Ab1AKFXH (ORCPT ); Tue, 11 Jan 2011 00:23:07 -0500 Received: from mail-yx0-f174.google.com ([209.85.213.174]:63404 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752228Ab1AKFWm (ORCPT ); Tue, 11 Jan 2011 00:22:42 -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=dQouvSAbYQ7YfIQo9Zj72gaGxwA37xx/3tdDOyxvXj6iUmVlYzBhFpdBKOLDn3N10w JbLHz2WV+ygv1b7KE+Nmfiv2s2rVo8Budbg5zKOkVf4g2FjNEAN71wAKHmk/gRVN01Gm RUQ5he0RRb5oJT8wwFpfRzhgN+10Nhm6QeHAY= From: Minchan Kim To: Andrew Morton Cc: linux-mm , LKML , KAMEZAWA Hiroyuki , Hugh Dickins , Mel Gorman , KOSAKI Motohiro , Johannes Weiner , Minchan Kim , Miklos Szeredi , fuse-devel@lists.sourceforge.net Subject: [PATCH v3 2/7] fuse: Change remove_from_page_cache Date: Tue, 11 Jan 2011 14:22:06 +0900 Message-Id: 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 Acked-by: Hugh Dickins Acked-by: Mel Gorman Reviewed-by: KAMEZAWA Hiroyuki Reviewed-by: Johannes Weiner Reviewed-by: KOSAKI Motohiro Signed-off-by: Minchan Kim --- 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