From: Josef Bacik Subject: Re: Ordered mode rewrite patch Date: Tue, 8 Apr 2008 11:47:04 -0400 Message-ID: <20080408154704.GO22429@unused.rdu.redhat.com> References: <20080408121149.GB6901@duck.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Nathan Grennan , Marcelo Tosatti , linux-ext4@vger.kernel.org To: Jan Kara Return-path: Received: from mx1.redhat.com ([66.187.233.31]:58629 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757311AbYDHP7X (ORCPT ); Tue, 8 Apr 2008 11:59:23 -0400 Content-Disposition: inline In-Reply-To: <20080408121149.GB6901@duck.suse.cz> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Tue, Apr 08, 2008 at 02:11:49PM +0200, Jan Kara wrote: > Hello, > > attached is a jumbo patch that reverses locking order of transaction > start and page lock in ext3 and rewrites handling of ordered data mode in > JBD and ext3. Note that the patch will break compilation of ext4 and OCFS2. > The patch survives LTP run on my test machine so it shouldn't eat your data > immediately but bugs are of course possible... > I'm very interested in any results (both positive and negative) you could > get with it :). Thanks for testing it. > > Honza > > PS: CCing also linux-ext4 list in case there are some other interested > testers. Next on my todo list is to port this for ext4... > -- > Jan Kara > SUSE Labs, CR Just glancing over it everything looks to be ok, but I still can't compile with ext3/jbd being modules :). I had to EXPORT_SYMBOL do_writepages, __filemap_fdatawrite_range and all the jbd things you added to make it build properly. I will do some testing with it while I'm in class. Josef