From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f198.google.com (mail-qk0-f198.google.com [209.85.220.198]) by kanga.kvack.org (Postfix) with ESMTP id 759572806E8 for ; Tue, 9 May 2017 11:50:09 -0400 (EDT) Received: by mail-qk0-f198.google.com with SMTP id o85so1505116qkh.15 for ; Tue, 09 May 2017 08:50:09 -0700 (PDT) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id q65si391727qkf.61.2017.05.09.08.50.07 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 09 May 2017 08:50:07 -0700 (PDT) From: Jeff Layton Subject: [PATCH v4 10/27] 9p: set mapping error when writeback fails in launder_page Date: Tue, 9 May 2017 11:49:13 -0400 Message-Id: <20170509154930.29524-11-jlayton@redhat.com> In-Reply-To: <20170509154930.29524-1-jlayton@redhat.com> References: <20170509154930.29524-1-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-nfs@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, 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, josef@toxicpanda.com, hubcap@omnibond.com, rpeterso@redhat.com, bo.li.liu@oracle.com launder_page is just writeback under the page lock. We still need to mark the mapping for errors there when they occur. Signed-off-by: Jeff Layton Reviewed-by: Jan Kara Reviewed-by: Christoph Hellwig --- fs/9p/vfs_addr.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c index adaf6f6dd858..7af6e6501698 100644 --- a/fs/9p/vfs_addr.c +++ b/fs/9p/vfs_addr.c @@ -223,8 +223,11 @@ static int v9fs_launder_page(struct page *page) v9fs_fscache_wait_on_page_write(inode, page); if (clear_page_dirty_for_io(page)) { retval = v9fs_vfs_writepage_locked(page); - if (retval) + if (retval) { + if (retval != -EAGAIN) + mapping_set_error(page->mapping, retval); return retval; + } } 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