From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefan Priebe - Profihost AG <s.priebe-2Lf/h1ldwEHR5kwTpVNS9A@public.gmane.org>
Subject: Re: [RFC] bcache-status
Date: Thu, 05 Sep 2013 08:14:19 +0200
Message-ID: <5228213B.2060901@profihost.ag>
References: <521A55D4.20908@rolffokkens.nl> <521A6B92.60001@rolffokkens.nl> <20130826163055.GB4780@blackbox.djwong.org> <521BBC3B.9010003@rolffokkens.nl> <20130829004646.GA3099@blackbox.djwong.org> <52264AAD.3050401@rolffokkens.nl> <20130904202600.GA4554@blackbox.djwong.org> <52279DA5.7050505@rolffokkens.nl>
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To: Rolf Fokkens <rolf-6w2rdlBuEQTpMFipWq+H6g@public.gmane.org>
Cc: "Darrick J. Wong" <darrick.wong-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>, linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Kent Overstreet <kmo-PEzghdH756F8UrSeD/g0lQ@public.gmane.org>
List-Id: linux-bcache@vger.kernel.org

Am 04.09.2013 22:52, schrieb Rolf Fokkens:
> I'm not sure if I understand.
> 
> On 09/04/2013 10:26 PM, Darrick J. Wong wrote:
>> Yeah... I calculate total cache size, then cache-used = cache-size *
>> whatever
>> percentage bcache reports.  It won't add up exactly due to rounding
>> errors.
>> 0.999 -> 1.00.  That's rather a lot, really.
> Is the following (snippet of the output I sent) the result of rounding
> errors?
> 
> Total Cache Size            1.00GiB
> Total Cache Used            204.00MiB    (10%)
> Total Cache Unused          1.00GiB    (90%)
> 
> I mean: the percentages are 10% and 90%..
> 
>>> - "Dirty Data" is -6 MB?
>> I think this was fixed in 3.11.
> OK, so that is a kernel issue.

Any chance to get this fixed in 3.10 stable kernel too?

Stefan