Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753903AbdCHQzG (ORCPT ); Wed, 8 Mar 2017 11:55:06 -0500 Received: from mx1.redhat.com ([209.132.183.28]:52346 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752692AbdCHQzB (ORCPT ); Wed, 8 Mar 2017 11:55:01 -0500 From: Jeff Layton To: viro@zeniv.linux.org.uk, akpm@linux-foundation.org Cc: konishi.ryusuke@lab.ntt.co.jp, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-nilfs@vger.kernel.org, ross.zwisler@linux.intel.com, jack@suse.cz, neilb@suse.com, openosd@gmail.com, adilger@dilger.ca, James.Bottomley@HansenPartnership.com Subject: [PATCH v2 5/9] dax: set error in mapping when writeback fails Date: Wed, 8 Mar 2017 11:29:30 -0500 Message-Id: <20170308162934.21989-6-jlayton@redhat.com> In-Reply-To: <20170308162934.21989-1-jlayton@redhat.com> References: <20170308162934.21989-1-jlayton@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Wed, 08 Mar 2017 16:30:18 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 626 Lines: 26 In order to get proper error codes from fsync, we must set an error in the mapping range when writeback fails. Signed-off-by: Jeff Layton --- fs/dax.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/dax.c b/fs/dax.c index de622d4282a6..a601137286ed 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -892,8 +892,10 @@ int dax_writeback_mapping_range(struct address_space *mapping, ret = dax_writeback_one(bdev, mapping, indices[i], pvec.pages[i]); - if (ret < 0) + if (ret < 0) { + mapping_set_error(mapping, ret); return ret; + } } } return 0; -- 2.9.3