On 19.03.2018 10:21, Peter Chant wrote:
> I got this kernel warning overnight. Possibly during or after a dedup
> using duperemove. I'm not sure if that is relevent. Seems to relate to
> fs/btrfs/backref.c line 1266.
>
> Don't know if it is important. Thought I'd post it just in case.
>
> I'm afraid this is a screen-shot in the old fashioned sense:
> https://drive.google.com/file/d/1NelZV2ld9Yqqt8b2y2sg6aAwgevgMy4X/view?usp=sharing
You are hitting a warning that was removed in : c8195a7b1ad5 ("btrfs:
remove spurious WARN_ON(ref->count < 0) in find_parent_nodes")
In short - you can disregard it. However, it's likely you will continue
seeing it in the future unless you update to 4.16 (the commit is not
tagged for stable ))
>
> Pete
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