From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([222.73.24.84]:55034 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751136Ab3IREDi (ORCPT ); Wed, 18 Sep 2013 00:03:38 -0400 Message-ID: <5239264E.9080904@cn.fujitsu.com> Date: Wed, 18 Sep 2013 12:04:30 +0800 From: Miao Xie Reply-To: miaox@cn.fujitsu.com MIME-Version: 1.0 To: dsterba@suse.cz, chris.mason@fusionio.com, Stefan Behrens , linux-btrfs@vger.kernel.org Subject: Re: [PATCH] Btrfs: allocate the free space by the existed max extent size when ENOSPC References: <1377858934-17187-1-git-send-email-miaox@cn.fujitsu.com> <5229DCDC.9080901@giantdisaster.de> <522D6906.5040404@cn.fujitsu.com> <20130917131312.GY6810@twin.jikos.cz> In-Reply-To: <20130917131312.GY6810@twin.jikos.cz> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Tue, 17 Sep 2013 15:13:12 +0200, David Sterba wrote: > On Mon, Sep 09, 2013 at 02:21:58PM +0800, Miao Xie wrote: >> On fri, 06 Sep 2013 15:47:08 +0200, Stefan Behrens wrote: >>> This patch makes the xfstest generic/256 lock up. It's quite >>> reliably reproducible on one of my test boxes, and not at all >>> visible on a second test box. >>> >>> And yes, I'm using the V2 patch although you haven't tagged it as V2 >>> in the subject line of the mail :) >> >> According to my debug, the machine was not locked up, it seems the >> patch makes the test run very slow(90s ->850s on my machine). > > The massive slowdown is present in current 3.12-rc code, which means V3 > did not make it into the pull. > > Miao please send an incremental fix for rc2. This patch has not been merged into 3.12-rc, so the above problem should be introduced by other patch. Thanks Miao > > thanks, > david >