Re: integration tree updated

[Anand Jain <Anand.Jain@oracle.com>]

Hi Chris,

  Looks like you missed Miao update (on 17 Jul) to back out the bad
  patch (below), and your integration branch (published on 25 Jul)
  still contains the same.

[PATCH 2/2] Btrfs: fix wrong total device counter after removing a seed 
device

  You should remove it.

  Simple test cases on your integration branch (like btrfs dev del OR
  btrfs/003) is failing due to this and I (+ others would) spend some
  time digging it out


Miao,

  If it helps -
     cur_devices in the loop is null.

BUG: unable to handle kernel NULL pointer dereference at 0000000000000050
IP: [<ffffffffa00a8fc0>] btrfs_rm_device+0x4c0/0x860 [btrfs]

         cur_devices = root->fs_info->fs_devices;
         do {
                 cur_devices->total_devices--;
                 cur_devices = cur_devices->seed;
         } while (device->fs_devices != cur_devices);


  PS: I didn't find the follow-up patch in the mailing list,
     did I missing anything ?

Thanks, Anand


On 07/25/2014 09:40 AM, Chris Mason wrote:
> Hi everyone,
>
> I've pushed out my current integration branch.  It does have a few of
> Miao Xie's patches missing because there were some rejects.  I think
> this was just because some things got pulled in out of order, and I'll
> get it fixed up.
>
> Also missing is Mark's quota snapshot deletion fixes.  They were
> crashing during btrfs/011 with CONFIG_DEBUG_PAGE_ALLOC on.  We'll get
> that nailed down.
>
> integration is subject to rebasing, so please treat it more like a patch
> queue.  It is very lightly tested, the goal is just to show which
> patches are already applied and which ones are still pending.
>
> Thanks!
>
> -chris
>
>
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