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Subject: Re: Report correct filesystem usage / limits on BTRFS subvolumes with
 quota
To: Tomasz Pala <gotar@polanet.pl>,
        "Austin S. Hemmelgarn" <ahferroin7@gmail.com>
Cc: Qu Wenruo <quwenruo.btrfs@gmx.com>, linux-btrfs@vger.kernel.org
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From: Andrei Borzenkov <arvidjaar@gmail.com>
Message-ID: <03266d2e-2812-52bd-43aa-e64f67aaad47@gmail.com>
Date: Sat, 11 Aug 2018 09:18:26 +0300
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10.08.2018 21:21, Tomasz Pala пишет:
> On Fri, Aug 10, 2018 at 07:39:30 -0400, Austin S. Hemmelgarn wrote:
> 
>>> I.e.: every shared segment should be accounted within quota (at least once).
>> I think what you mean to say here is that every shared extent should be 
>> accounted to quotas for every location it is reflinked from.  IOW, that 
>> if an extent is shared between two subvolumes each with it's own quota, 
>> they should both have it accounted against their quota.
> 
> Yes.
> 

This is what "referenced" in quota group report is, is not it? What is
missing here?