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From: Anand Jain <Anand.Jain@oracle.com>
To: Johannes Hirte <johannes.hirte@datenkhaos.de>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: "Btrfs: device_list_add() should not update list when mounted" breaks subvol mount
Date: Thu, 11 Sep 2014 07:26:22 +0800	[thread overview]
Message-ID: <5410DE1E.8090401@oracle.com> (raw)
In-Reply-To: <20140911002241.201bc6c2@datenkhaos.de>



  that's shocking. Let me take a look.

Thanks for reporting.
Anand


On 09/11/14 06:22 AM, Johannes Hirte wrote:
> commit b96de000bc8bc9688b3a2abea4332bd57648a49f breaks subvolume mount
> on one of my systems. I've bisected a mount problem to this commit.
> Situation is:
>
> - one hdd with btrfs
> - default subvolume (rootfs) is different from subovlid=0
> - at boot, several subvols are mounted at /home/$DIR
>
> after commit b96de000bc8bc9688b3a2abea4332bd57648a49f this is not
> possible anymore. Trying to mount results in (example):
>
> mount: /dev/sda1 is already mounted or /home/video busy
>
> The output of btrfs show is curious too:
>
> btrfs fi show
> Label: none  uuid: 43438ef5-adac-46a9-823e-14951ee6866a
>          Total devices 1 FS bytes used 150.05GiB
>          *** Some devices missing
>
> Btrfs v3.16
>
> As this is a laptop with only one drive bay, this was never a multi
> device setup. I've two more systems with kernel version >3.17-rc3
> running and no problem like this.
>
> regards,
>    Johannes
> --
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>

  reply	other threads:[~2014-09-10 23:26 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-10 22:22 "Btrfs: device_list_add() should not update list when mounted" breaks subvol mount Johannes Hirte
2014-09-10 23:26 ` Anand Jain [this message]
2014-09-11  2:37 ` Anand Jain
2014-09-12 20:43   ` xavier.gnata
2014-09-13  5:36     ` Anand Jain
2014-09-13 17:55       ` Johannes Hirte
2014-09-13 21:23         ` Johannes Hirte
2014-09-14  0:45           ` Duncan
2014-09-15 17:13             ` Johannes Hirte
2014-09-15 12:32           ` Anand Jain
2014-09-15 17:14             ` Johannes Hirte
2014-09-15 17:39               ` Anand Jain
2014-09-15 22:17                 ` Johannes Hirte
2014-09-16 21:55                   ` Anand Jain
2014-09-17  8:49           ` Anand Jain
2014-09-14 11:12       ` xavier.gnata

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