From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f197.google.com (mail-qk0-f197.google.com [209.85.220.197]) by kanga.kvack.org (Postfix) with ESMTP id 09B2C831D3 for ; Wed, 8 Mar 2017 11:30:20 -0500 (EST) Received: by mail-qk0-f197.google.com with SMTP id a189so93804901qkc.4 for ; Wed, 08 Mar 2017 08:30:20 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id z59si3310532qtc.147.2017.03.08.08.30.12 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 08 Mar 2017 08:30:12 -0800 (PST) From: Jeff Layton 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> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- 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