From owner-freebsd-current@FreeBSD.ORG Wed Oct 17 21:05:39 2012 Return-Path: Delivered-To: current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 09B03197 for ; Wed, 17 Oct 2012 21:05:39 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 525348FC0C for ; Wed, 17 Oct 2012 21:05:38 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id AAA09831; Thu, 18 Oct 2012 00:05:36 +0300 (EEST) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1TOao3-0000RL-Vs; Thu, 18 Oct 2012 00:05:36 +0300 Message-ID: <507F1D9E.3010803@FreeBSD.org> Date: Thu, 18 Oct 2012 00:05:34 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:16.0) Gecko/20121013 Thunderbird/16.0.1 MIME-Version: 1.0 To: Guido Falsi Subject: Re: Regression with ZFS on recent current References: <507EE9C1.7060800@madpilot.net> In-Reply-To: <507EE9C1.7060800@madpilot.net> X-Enigmail-Version: 1.4.5 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "current@FreeBSD.org" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Oct 2012 21:05:39 -0000 on 17/10/2012 20:24 Guido Falsi said the following: > Hi! > > While testing portshaker I found a regression in latest current. > > portshaker depends on ZFS(when enabling ZFS support) remounting > filesystems on the fly when changing the mountpoint property. This is > working as expected on 9.x while on 10-current is not working. Problem > has appeared sometime before October 3rd. Can you clarify what you mean but this date? That the problem didn't exist in head until recently? Can you name a date when the problem didn't exists in head then? > Here is some sample output from a9.x machine and a 10-current one: > > root@micro:~ [0]# uname -a > FreeBSD micro.madpilot.net 9.1-PRERELEASE FreeBSD 9.1-PRERELEASE #0 > r239180: Sat Aug 11 00:14:47 CEST 2012 > root@micro.madpilot.net:/usr/obj/usr/src/sys/MICRO amd64 > root@micro:~ [0]# zfs create tank/test > root@micro:~ [0]# touch /test/baz > root@micro:~ [0]# zfs set mountpoint=/foo tank/test > root@micro:~ [0]# ls -ld /foo > drwxr-xr-x 2 root wheel 3 Oct 17 19:18 /foo > root@micro:~ [0]# ls -l /foo/ > total 1 > -rw-r--r-- 1 root wheel 0 Oct 17 19:18 baz > root@micro:~ [0]# zfs list tank/test > NAME USED AVAIL REFER MOUNTPOINT > tank/test 144K 826G 144K /foo > > > root@marvin:~ [0]# uname -a > FreeBSD marvin.madpilot.net 10.0-CURRENT FreeBSD 10.0-CURRENT #7 > r241638: Wed Oct 17 14:33:18 CEST 2012 > root@marvin.madpilot.net:/usr/obj/usr/src/sys/MARVIN amd64 > root@marvin:~ [0]# zfs create tank/test > root@marvin:~ [0]# touch /test/baz > root@marvin:~ [0]# zfs set mountpoint=/foo tank/test > root@marvin:~ [0]# ls -ld /foo > ls: /foo: No such file or directory > root@marvin:~ [1]# ls -l /foo/ > ls: /foo/: No such file or directory > root@marvin:~ [1]# ls -ld /test > drwxr-xr-x 2 root wheel 3 Oct 17 19:19 /test > root@marvin:~ [0]# zfs list tank/test > NAME USED AVAIL REFER MOUNTPOINT > tank/test 31K 240G 31K /foo > > > Is this known? is the new behavior expected? > > Am I doing something stupid? > > Thanks in advance > -- Andriy Gapon