Re: [PATCH] Btrfs: fix loading of orphan roots leading to BUG_ON

[Qu Wenruo <quwenruo@cn.fujitsu.com>]

Ping?

Cc: Chris and David

It seems that this fix is missing in 4.6 merge window.
Or did I miss something?

Thanks,
Qu

Filipe Manana wrote on 2016/03/03 09:10 +0000:
> On Thu, Mar 3, 2016 at 4:31 AM, Duncan <1i5t5.duncan@cox.net> wrote:
>> fdmanana posted on Wed, 02 Mar 2016 15:49:38 +0000 as excerpted:
>>
>>> When looking for orphan roots during mount we can end up hitting a
>>> BUG_ON() (at root-item.c:btrfs_find_orphan_roots()) if a log tree is
>>> replayed and qgroups are enabled.
>>
>> This should hit 4.6, right?  Will it hit 4.5 before release?
>
> It's not the first time you do a similar question, and if it's
> targeted at me, all I can tell you is I don't know. It's the
> maintainers (Chris, Josef, David)  who decide when to pick patches and
> for which releases.
>
>>
>> Because I wasn't sure of current quota functionality status, but this bug
>> obviously resets the counter on my ongoing "two kernel cycles with no
>> known quota bugs before you try to use quotas" recommendation.
>
> You shouldn't spread such affirmation with such a level of certainty
> every time a user reports a problem.
> There are many bugs affecting the last 2 to 3 releases, but there are
> also many bugs present since btrfs was added to the linux kernel tree,
> and many others present for 2+ years, etc.
>
>>
>> Meanwhile, what /is/ current quota feature status?  Other than this bug,
>> is it now considered known bug free, or is more quota reworking and/or
>> bug fixing known to be needed for 4.6 and beyond?
>>
>> IOW, given that two release cycles no known bugs counter, are we
>> realistically looking at that being 4.8, or are we now looking at 4.9 or
>> beyond for reasonable quota stability?
>
> I don't know. I generally don't look actively look at qgroups, and I'm
> not a user either.
> You can only take conclusions based on user bug reports. Probably
> there aren't more bugs for qgroups than there are for send/receive or
> even non-btrfs specific features for example.
>
>>
>> --
>> Duncan - List replies preferred.   No HTML msgs.
>> "Every nonfree program has a lord, a master --
>> and if you use the program, he is your master."  Richard Stallman
>>
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>
>
>