Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753819AbdCHQzE (ORCPT ); Wed, 8 Mar 2017 11:55:04 -0500 Received: from mx1.redhat.com ([209.132.183.28]:52344 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752508AbdCHQzB (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 4/9] nilfs2: set the mapping error when calling SetPageError on writeback Date: Wed, 8 Mar 2017 11:29:29 -0500 Message-Id: <20170308162934.21989-5-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 16:30:12 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 907 Lines: 28 In a later patch, we're going to want to make the fsync codepath not do a TestClearPageError call as that can override the error set in the address space. To do that though, we need to ensure that filesystems that are relying on the PG_error bit for reporting writeback errors also set an error in the address space. Ensure that this is set in nilfs2. Cc: Ryusuke Konishi Signed-off-by: Jeff Layton --- fs/nilfs2/segment.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index febed1217b3f..612d4b446793 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -1745,6 +1745,7 @@ static void nilfs_end_page_io(struct page *page, int err) } else { __set_page_dirty_nobuffers(page); SetPageError(page); + mapping_set_error(page_mapping(page), err); } end_page_writeback(page); -- 2.9.3