From: Yongqiang Yang Subject: Re: Bug with "fix partial page writes" [3.2-rc regression] Date: Fri, 9 Dec 2011 21:44:46 +0800 Message-ID: References: <4EDD729E.2060402@linux.vnet.ibm.com> <4EDE85F4.4020503@linux.vnet.ibm.com> <4EDF9CAB.3050502@linux.vnet.ibm.com> <4EE046C7.9030902@linux.vnet.ibm.com> <20111208181235.GE2686@shadowen.org> <20111209133343.GA434@shadowen.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Cc: Hugh Dickins , Allison Henderson , "Ted Ts'o" , Curt Wohlgemuth , Surbhi Palande , Rafael Wysocki , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org To: Andy Whitcroft Return-path: Received: from mail-gx0-f174.google.com ([209.85.161.174]:63292 "EHLO mail-gx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751394Ab1LINoq (ORCPT ); Fri, 9 Dec 2011 08:44:46 -0500 In-Reply-To: <20111209133343.GA434@shadowen.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Fri, Dec 9, 2011 at 9:33 PM, Andy Whitcroft wrote: > On Thu, Dec 08, 2011 at 06:12:35PM +0000, Andy Whitcroft wrote: >> On Thu, Dec 08, 2011 at 09:39:55AM -0800, Hugh Dickins wrote: >> >> [...] >> > > [PATCH 1/2] ext4: let mpage_submit_io works well when blocksize < pagesize >> > > [PATCH 2/2] ext4: let ext4_discard_partial_buffers handle pages without >> > > >> > > [PATCH 1/2] ext4: remove a wrong BUG_ON in ext4_ext_convert_to_initialized >> > > [PATCH 2/2] ext4: let ext4_bio_write_page handle EOF correctly >> [...] >> > Only once, before the fixes, did I ever see an unexplained EINVAL >> > (from cp), like Andy reports: I'm very hopeful his case is fixed too. >> >> Yes I have reverted my fix and applied all four of these patches (above). >> I have just completed a 100 iteration run of my test case without failure. >> This would typically fail in the first iteration 90% of the time and >> never survived more than two iterations. >> >> I am comfortable saying they resolve my issue. > > Are we likely to see these fixes in a 3.2-rcN or will they be going to > stable? All patches will go to 3.2-rcN and the later 2 patches would go to stable too, I think. Yongqiang. > > -apw -- Best Wishes Yongqiang Yang