From patchwork Fri Oct 7 21:08:52 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ross Zwisler X-Patchwork-Id: 9367533 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 4668A600C8 for ; Fri, 7 Oct 2016 21:09:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3524E29832 for ; Fri, 7 Oct 2016 21:09:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 29C5729837; Fri, 7 Oct 2016 21:09:18 +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=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from ml01.01.org (ml01.01.org [198.145.21.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id F026E29832 for ; Fri, 7 Oct 2016 21:09:17 +0000 (UTC) Received: from [127.0.0.1] (localhost [IPv6:::1]) by ml01.01.org (Postfix) with ESMTP id 051B21A1EE0; Fri, 7 Oct 2016 14:09:16 -0700 (PDT) X-Original-To: linux-nvdimm@lists.01.org Delivered-To: linux-nvdimm@lists.01.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 925D31A1ED5 for ; Fri, 7 Oct 2016 14:09:14 -0700 (PDT) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP; 07 Oct 2016 14:09:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.31,456,1473145200"; d="scan'208"; a="1067599808" Received: from theros.lm.intel.com ([10.232.112.77]) by fmsmga002.fm.intel.com with ESMTP; 07 Oct 2016 14:09:13 -0700 From: Ross Zwisler To: linux-kernel@vger.kernel.org Subject: [PATCH v5 05/17] ext2: return -EIO on ext2_iomap_end() failure Date: Fri, 7 Oct 2016 15:08:52 -0600 Message-Id: <1475874544-24842-6-git-send-email-ross.zwisler@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1475874544-24842-1-git-send-email-ross.zwisler@linux.intel.com> References: <1475874544-24842-1-git-send-email-ross.zwisler@linux.intel.com> X-BeenThere: linux-nvdimm@lists.01.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Linux-nvdimm developer list." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Theodore Ts'o , Matthew Wilcox , Dave Chinner , linux-nvdimm@lists.01.org, Christoph Hellwig , linux-xfs@vger.kernel.org, linux-mm@kvack.org, Andreas Dilger , Alexander Viro , Jan Kara , linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, Andrew Morton MIME-Version: 1.0 Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" X-Virus-Scanned: ClamAV using ClamSMTP Right now we just return 0 for success, but we really want to let callers know about this failure. Signed-off-by: Ross Zwisler --- fs/ext2/inode.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index c7dbb46..368913c 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -830,8 +830,10 @@ ext2_iomap_end(struct inode *inode, loff_t offset, loff_t length, { if (iomap->type == IOMAP_MAPPED && written < length && - (flags & IOMAP_WRITE)) + (flags & IOMAP_WRITE)) { ext2_write_failed(inode->i_mapping, offset + length); + return -EIO; + } return 0; }