From patchwork Wed Jul 6 16:06:30 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jaegeuk Kim X-Patchwork-Id: 9216641 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 65A2660752 for ; Wed, 6 Jul 2016 16:07:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5784D27813 for ; Wed, 6 Jul 2016 16:07:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4C2E42793A; Wed, 6 Jul 2016 16:07:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E4B4B27813 for ; Wed, 6 Jul 2016 16:07:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932216AbcGFQGz (ORCPT ); Wed, 6 Jul 2016 12:06:55 -0400 Received: from mail.kernel.org ([198.145.29.136]:48706 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932084AbcGFQGp (ORCPT ); Wed, 6 Jul 2016 12:06:45 -0400 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DF6FB20142; Wed, 6 Jul 2016 16:06:38 +0000 (UTC) Received: from localhost (107-1-141-74-ip-static.hfc.comcastbusiness.net [107.1.141.74]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3E1F420122; Wed, 6 Jul 2016 16:06:38 +0000 (UTC) From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim Subject: [PATCH 4/6] f2fs: skip to check the block address of node page Date: Wed, 6 Jul 2016 09:06:30 -0700 Message-Id: <20160706160632.78272-4-jaegeuk@kernel.org> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20160706160632.78272-1-jaegeuk@kernel.org> References: <20160706160632.78272-1-jaegeuk@kernel.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP If the node page is up-to-date, it should be alive. Signed-off-by: Jaegeuk Kim --- fs/f2fs/node.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index ca1bb3c..9d994b9 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1080,6 +1080,9 @@ static int read_node_page(struct page *page, int rw) .encrypted_page = NULL, }; + if (PageUptodate(page)) + return LOCKED_PAGE; + get_node_info(sbi, page->index, &ni); if (unlikely(ni.blk_addr == NULL_ADDR)) { @@ -1087,9 +1090,6 @@ static int read_node_page(struct page *page, int rw) return -ENOENT; } - if (PageUptodate(page)) - return LOCKED_PAGE; - fio.new_blkaddr = fio.old_blkaddr = ni.blk_addr; return f2fs_submit_page_bio(&fio); }