From: Yongqiang Yang Subject: Re: [PATCH 2/2] resize2fs: fix overhead calculation for meta_bg file systems Date: Wed, 5 Sep 2012 13:16:35 +0800 Message-ID: References: <20120903164525.GD5066@thunk.org> <1346690758-21072-1-git-send-email-tytso@mit.edu> <1346690758-21072-2-git-send-email-tytso@mit.edu> <20120904021412.GG5066@thunk.org> <504634D6.20608@iki.fi> <20120905045548.GA29950@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: Anssi Hannula , Kevin Liao , Ext4 Developers List To: "Theodore Ts'o" Return-path: Received: from mail-lpp01m010-f46.google.com ([209.85.215.46]:53211 "EHLO mail-lpp01m010-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751505Ab2IEFQ5 (ORCPT ); Wed, 5 Sep 2012 01:16:57 -0400 Received: by lagy9 with SMTP id y9so61144lag.19 for ; Tue, 04 Sep 2012 22:16:56 -0700 (PDT) In-Reply-To: <20120905045548.GA29950@thunk.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: Got it! Thanks, Yongqiang. On Wed, Sep 5, 2012 at 12:55 PM, Theodore Ts'o wrote: > On Wed, Sep 05, 2012 at 10:10:29AM +0800, Yongqiang Yang wrote: >> Hi Anssi, >> >> The bug was fixed for a while, please check the patches: >> [PATCH 1/2] ext4: teach resize report old blocks count correctly >> [PATCH 2/2] ext4: ignore last group without enough space when resizing >> >> Please have a try!!! > > Yongqiang, > > In the future, if a patch is going to fix a BUG_ON or kernel crash, > please state so explicitly in the commit description along with > instructions about how to reproduce the problem. The urgency of a > patch which (for example) fixes a debugging printk (such as your 1/2 > patch above) is quite different from a patch which causes a kernel > BUG_ON. > > One of the reasons why I hadn't gotten around to processing your > patches until now was partially because I knew there was a lot of > testing and fixing before the patches were fully baked (as soon as I > started doing testing I found all sorts of other problems, which I had > to fix), but also because the commit descriptions were not clear > enough. > > Patches where it's obvious what they fix, and where there is a clear > explanation about what they fix and the priority of their fix makes > life easier for me, and makes it more likely that I can process the > patches quickly. > > Also, if you have a follow-on set of patches which is dependent on the > initila set of patches, it's very helpful to resend a v2 version of > the patches so that it's clear how the patches fit together. > > I'll take care of these two extra patches, and then you'll see me send > out a -v2 set of the patches which contain all of the online resize > patches rebased to the latest kernel and tested as much as possible. > In general, though, in order for me to scale, I really need ext4 > developers to do as much of this testing, rebasing, and reposting > patches as possible, and for other ext4 developers to review the > patches. If I have to do all of this myself, patches will flow into > mainline more slowly, and we'll start accumulating a much longer > backlog. > > Regards, > > - Ted -- Best Wishes Yongqiang Yang