Re: [PATCH] Btrfs: fix deadlock with nested trans handles

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On Thu, Mar 6, 2014 at 7:25 PM, Zach Brown <zab@xxxxxxxxxx> wrote:
> On Thu, Mar 06, 2014 at 07:01:07PM -0500, Josef Bacik wrote:
>> Zach found this deadlock that would happen like this
>>
>
> And this fixes it.  It's run through a few times successfully.

I'm not sure if my issue is related to this or not - happy to start a
new thread if not.  I applied this patch as I was running into locks,
but I am still having them.

See: http://picpaste.com/IMG_20140312_072458-KPH35pQ6.jpg

After a number of reboots the system became stable, presumably
whatever race condition btrfs was hitting followed a favorable path.

I do have a 2GB btrfs-image pre-dating my application of this patch
that was causing the issue last week.

Rich
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