From patchwork Thu May 25 10:56:40 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 9748103 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 105276032C for ; Thu, 25 May 2017 10:56:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 092FF26E55 for ; Thu, 25 May 2017 10:56:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F16D42766D; Thu, 25 May 2017 10:56:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 78C2A26E55 for ; Thu, 25 May 2017 10:56:57 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=sfs-ml-1.v29.ch3.sourceforge.com) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1dDqRm-00014Y-Sp; Thu, 25 May 2017 10:56:50 +0000 Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1dDqRl-00014S-NR for v9fs-developer@lists.sourceforge.net; Thu, 25 May 2017 10:56:49 +0000 Received-SPF: pass (sog-mx-4.v43.ch3.sourceforge.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=jlayton@redhat.com; helo=mx1.redhat.com; Received: from mx1.redhat.com ([209.132.183.28]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1dDqRk-0002Zr-Aw for v9fs-developer@lists.sourceforge.net; Thu, 25 May 2017 10:56:49 +0000 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0BD054E35B; Thu, 25 May 2017 10:56:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 0BD054E35B Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=jlayton@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 0BD054E35B Received: from tleilax.poochiereds.net (ovpn-120-179.rdu2.redhat.com [10.10.120.179]) by smtp.corp.redhat.com (Postfix) with ESMTP id 57A145B83E; Thu, 25 May 2017 10:56:41 +0000 (UTC) From: Jeff Layton To: Eric Van Hensbergen , Ron Minnich , Latchesar Ionkov Date: Thu, 25 May 2017 06:56:40 -0400 Message-Id: <20170525105640.8486-1-jlayton@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 25 May 2017 10:56:42 +0000 (UTC) X-Headers-End: 1dDqRk-0002Zr-Aw Cc: linux-fsdevel@vger.kernel.org, v9fs-developer@lists.sourceforge.net, Jan Kara , Christoph Hellwig Subject: [V9fs-developer] [PATCH] 9p: set mapping error when writeback fails in launder_page X-BeenThere: v9fs-developer@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: v9fs-developer-bounces@lists.sourceforge.net X-Virus-Scanned: ClamAV using ClamSMTP 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; }