From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754095AbbGWRlO (ORCPT ); Thu, 23 Jul 2015 13:41:14 -0400 Received: from mail-yk0-f182.google.com ([209.85.160.182]:35425 "EHLO mail-yk0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753946AbbGWRlM (ORCPT ); Thu, 23 Jul 2015 13:41:12 -0400 Date: Thu, 23 Jul 2015 13:41:09 -0400 From: Tejun Heo To: "Theodore Ts'o" Cc: Stephen Rothwell , linux-next@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: linux-next: build failure after merge of the ext4 tree Message-ID: <20150723174109.GP15934@mtj.duckdns.org> References: <20150723105623.2f8c9548@canb.auug.org.au> <20150723164953.GA15778@thunk.org> <20150723172343.GB15778@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150723172343.GB15778@thunk.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 23, 2015 at 01:23:43PM -0400, Theodore Ts'o wrote: > On Thu, Jul 23, 2015 at 12:49:53PM -0400, Theodore Ts'o wrote: > > > After merging the ext4 tree, today's linux-next build (x86_64 > > > allmodconfig) failed like this: > > > > > > ERROR: "wbc_account_io" [fs/ext4/ext4.ko] undefined! > > > ERROR: "bio_associate_blkcg" [fs/ext4/ext4.ko] undefined! > > > > > > Caused by commit > > > > > > 001e4a8775f6 ("ext4: implement cgroup writeback support") > > > > > > I have used the ext4 tree from next-20150722 for today. > > > > Ah, I see, we're missing the include files which define the inline > > dummy functions. I'll fix this in my tree, thanks. > > Whoops, correction, the problem is that wbc_account_io() and > bio_asociate_blkcg() need to be exported as symbols. > > Tejun, how quickly get you get a fix into linux-next? Or should I > just drop that patch for now? I'll send the patch to add EXPORT to Jens right away. Thanks. -- tejun