From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-we0-f172.google.com ([74.125.82.172]:34787 "EHLO mail-we0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751825AbaILUnV (ORCPT ); Fri, 12 Sep 2014 16:43:21 -0400 Received: by mail-we0-f172.google.com with SMTP id k48so1330687wev.3 for ; Fri, 12 Sep 2014 13:43:20 -0700 (PDT) Message-ID: <54135AE7.40400@gmail.com> Date: Fri, 12 Sep 2014 22:43:19 +0200 From: "xavier.gnata@gmail.com" MIME-Version: 1.0 To: Anand Jain , Johannes Hirte , linux-btrfs@vger.kernel.org Subject: Re: "Btrfs: device_list_add() should not update list when mounted" breaks subvol mount References: <20140911002241.201bc6c2@datenkhaos.de> <54110AEC.6040301@oracle.com> In-Reply-To: <54110AEC.6040301@oracle.com> Content-Type: text/plain; charset=windows-1252; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi, On standard ubuntu 14.04 a with an encrypted (cryptsetup) /home as brtfs subvolume we have the following results: 3.17-rc2 : Ok. 3.17-rc3 and 3.17-rc4 : /home fails to mount on boot. If one try mount -a then the system tells that the partition is already mounted according to matab. On a 3.17-rc4, btrfs fi sh returns nothing special: " Label: none uuid: f4f554bb-57d9-4647-ab14-ea978c9e7e9f Total devices 1 FS bytes used 131.41GiB devid 1 size 173.31GiB used 134.03GiB path /dev/sda5 Btrfs v3.12 " I'm not sure if it has something to do with cryptsetup... Xavier > Hi Johannes, > >> I've two more systems with kernel version >3.17-rc3 >> running and no problem like this. > > Does this 3.17-rc3 also has the same type of subvol config > and it mount operation/sequence as you mentioned ? > > > - one hdd with btrfs > > - default subvolume (rootfs) is different from subovlid=0 > > - at boot, several subvols are mounted at /home/$DIR > > I ran a few tests, on our mainline > ---- > mount -o subvol=sv1 /dev/sdh1 /btrfs > mount /dev/sdh1 /btrfs > mount: /dev/sdh1 already mounted or /btrfs busy [*] > mount /dev/sdh1 /btrfs1 > echo $? > 0 > ----- > > [*] hope this isn't the problem you are mentioning. > > Thanks, Anand > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html