From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF3AAC282C5 for ; Thu, 24 Jan 2019 20:13:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9EEB1217D7 for ; Thu, 24 Jan 2019 20:13:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548360830; bh=49bzgydITqAYmohR8ACu7eyOvq1Cr/l2Kg02XwmaiHI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=NE3XDWMyyMKPbt00Dr1+SCXf35IcWLUfPof8qaFSB6BwJRV688UKYPbtJMX2e6N6W crPgL875Ae3/dQSrh2+BjaEkxt8tGpWXGfP+gIZNSjff1HNRrR4J0w+xbiyAC0EaiA B56WukYu397r/DIcqDDzeCLYP686d7pQdVEyhsss= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730412AbfAXTZf (ORCPT ); Thu, 24 Jan 2019 14:25:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:51072 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730375AbfAXTZ0 (ORCPT ); Thu, 24 Jan 2019 14:25:26 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BD051218EA; Thu, 24 Jan 2019 19:25:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548357926; bh=49bzgydITqAYmohR8ACu7eyOvq1Cr/l2Kg02XwmaiHI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fPNbPujBJhcVGroAEqp+/W6Mim3HlbUqOQpfTAhmGee8KZdc6d1TZ/kHUC2x3ZuwP ovhhwWNcjKJuv58Ehm2KC/HXl5rz+EQQ7zh+jyyIQh0LD89JApN+HNYBTvWDACvR5P sCPKdL5EMhfHPThG27fFA3urBjIPGeBZT9gbx58s= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chao Yu , Jaegeuk Kim , Ben Hutchings Subject: [PATCH 4.4 036/104] f2fs: fix missing up_read Date: Thu, 24 Jan 2019 20:19:25 +0100 Message-Id: <20190124190159.129465657@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190124190154.968308875@linuxfoundation.org> References: <20190124190154.968308875@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jaegeuk Kim commit 89d13c38501df730cbb2e02c4499da1b5187119d upstream. This patch fixes missing up_read call. Fixes: c9b60788fc76 ("f2fs: fix to do sanity check with block address in main area") Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Ben Hutchings Signed-off-by: Greg Kroah-Hartman --- fs/f2fs/node.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1342,8 +1342,10 @@ static int f2fs_write_node_page(struct p } if (__is_valid_data_blkaddr(ni.blk_addr) && - !f2fs_is_valid_blkaddr(sbi, ni.blk_addr, DATA_GENERIC)) + !f2fs_is_valid_blkaddr(sbi, ni.blk_addr, DATA_GENERIC)) { + up_read(&sbi->node_write); goto redirty_out; + } set_page_writeback(page); fio.blk_addr = ni.blk_addr;