From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> References: <20160706160632.78272-1-jaegeuk@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1bKpLZ-0004rk-N5 for linux-f2fs-devel@lists.sourceforge.net; Wed, 06 Jul 2016 16:06:45 +0000 Received: from mail.kernel.org ([198.145.29.136]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1bKpLZ-000165-2y for linux-f2fs-devel@lists.sourceforge.net; Wed, 06 Jul 2016 16:06:45 +0000 In-Reply-To: <20160706160632.78272-1-jaegeuk@kernel.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net To: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim 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); } -- 2.8.3 ------------------------------------------------------------------------------ Attend Shape: An AT&T Tech Expo July 15-16. Meet us at AT&T Park in San Francisco, CA to explore cutting-edge tech and listen to tech luminaries present their vision of the future. This family event has something for everyone, including kids. Get more information and register today. http://sdm.link/attshape