Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753920AbdDLMIe (ORCPT ); Wed, 12 Apr 2017 08:08:34 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44744 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753816AbdDLMGc (ORCPT ); Wed, 12 Apr 2017 08:06:32 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 20FB87D0C6 Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=jlayton@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 20FB87D0C6 From: Jeff Layton To: linux-fsdevel@vger.kernel.org Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, tytso@mit.edu, jack@suse.cz, willy@infradead.org, neilb@suse.com, viro@zeniv.linux.org.uk Subject: [PATCH v2 10/17] dax: set errors in mapping when writeback fails Date: Wed, 12 Apr 2017 08:06:07 -0400 Message-Id: <20170412120614.6111-11-jlayton@redhat.com> In-Reply-To: <20170412120614.6111-1-jlayton@redhat.com> References: <20170412120614.6111-1-jlayton@redhat.com> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 12 Apr 2017 12:06:27 +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 85abd741253d..9b6b04030c3f 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -901,8 +901,10 @@ 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