From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f200.google.com (mail-qk0-f200.google.com [209.85.220.200]) by kanga.kvack.org (Postfix) with ESMTP id 42FE46B0315 for ; Mon, 24 Apr 2017 09:23:59 -0400 (EDT) Received: by mail-qk0-f200.google.com with SMTP id y80so41399132qka.0 for ; Mon, 24 Apr 2017 06:23:59 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id q11si18039904qtg.132.2017.04.24.06.23.58 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 24 Apr 2017 06:23:58 -0700 (PDT) From: Jeff Layton Subject: [PATCH v3 06/20] dax: set errors in mapping when writeback fails Date: Mon, 24 Apr 2017 09:22:45 -0400 Message-Id: <20170424132259.8680-7-jlayton@redhat.com> In-Reply-To: <20170424132259.8680-1-jlayton@redhat.com> References: <20170424132259.8680-1-jlayton@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-cifs@vger.kernel.org, linux-mm@kvack.org, jfs-discussion@lists.sourceforge.net, linux-xfs@vger.kernel.org, cluster-devel@redhat.com, linux-f2fs-devel@lists.sourceforge.net, v9fs-developer@lists.sourceforge.net, osd-dev@open-osd.org, linux-nilfs@vger.kernel.org, linux-block@vger.kernel.org Cc: dhowells@redhat.com, akpm@linux-foundation.org, hch@infradead.org, ross.zwisler@linux.intel.com, mawilcox@microsoft.com, jack@suse.com, viro@zeniv.linux.org.uk, corbet@lwn.net, neilb@suse.de, clm@fb.com, tytso@mit.edu, axboe@kernel.dk 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org