From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fieldses.org ([174.143.236.118]:49031 "EHLO fieldses.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756158Ab1CWTGd (ORCPT ); Wed, 23 Mar 2011 15:06:33 -0400 Date: Wed, 23 Mar 2011 15:06:32 -0400 From: "J. Bruce Fields" To: Adam Lackorzynski Cc: linux-nfs@vger.kernel.org Subject: Re: 2.6.38: Quota over NFS4 Message-ID: <20110323190632.GA26306@fieldses.org> References: <20110317230315.GG31845@fieldses.org> <20110320172758.GK11929@os.inf.tu-dresden.de> <20110320212633.GA26036@fieldses.org> <20110320213111.GO11929@os.inf.tu-dresden.de> <20110320214316.GB26036@fieldses.org> <20110321184043.GC4992@os.inf.tu-dresden.de> <20110321222301.GB472@fieldses.org> <20110322221305.GA5857@os.inf.tu-dresden.de> <20110323150328.GD23418@fieldses.org> <20110323174052.GE5005@os.inf.tu-dresden.de> Content-Type: text/plain; charset=us-ascii In-Reply-To: <20110323174052.GE5005@os.inf.tu-dresden.de> Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 On Wed, Mar 23, 2011 at 06:40:52PM +0100, Adam Lackorzynski wrote: > Hi, > > On Wed Mar 23, 2011 at 11:03:28 -0400, J. Bruce Fields wrote: > > (How'd linux-nfs get dropped off the cc:?) > > I must have accidently done single reply only, sorry. OK, assuming you won't mind my re-adding it. > > > On Tue, Mar 22, 2011 at 11:13:06PM +0100, Adam Lackorzynski wrote: > > > > > > On Mon Mar 21, 2011 at 18:23:01 -0400, J. Bruce Fields wrote: > > > > > > > > Oh, right, you'd want to unmount on the sender before copying. > > > > > > > > You *may* still get some kind of usable result if you fsck the fs you > > > > get on the receiver, but who knows. > > > > > > Ok, good news. After some fight I got it mounted in the VM. Reproducible > > > with the original 2.6.38 kernel (as released) and also reproducible with > > > latest git as of today. What now? > > > > OK, so now you can reproduce the problem on one xfs filesystem, but not > > the other. > > > > Can we find any differences between the two filesystems? Was one > > created with different features, for example? > > > > Might also be worth asking xfs developers for ideas. > > Bisecting shows this commit: That's an odd place for it to end up. You're positive the problem is reliably reproduceable after this commit and not in the commit immediately previous? --b. > 5d926e8c2f46dc09f4ddde86644a5f1d0726a470 is the first bad commit > commit 5d926e8c2f46dc09f4ddde86644a5f1d0726a470 > Author: J. Bruce Fields > Date: Mon Feb 7 16:53:46 2011 -0500 > > nfsd4: modify fi_delegations under recall_lock > > Modify fi_delegations only under the recall_lock, allowing us to use > that list on lease breaks. > > Also some trivial cleanup to simplify later changes. > > Signed-off-by: J. Bruce Fields > > :040000 040000 fa71771d862119d1918c40a0ea25815f2f8b16bf 5bf94b91c7c696586f0aaf8b5df1cd9c4aa70ac0 M fs > > > Adam > -- > Adam adam@os.inf.tu-dresden.de > Lackorzynski http://os.inf.tu-dresden.de/~adam/