From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chris Mason <chris.mason@oracle.com>
Subject: Re: btrfs filesystem df not working
Date: Wed, 13 Oct 2010 11:08:10 -0400
Message-ID: <20101013150237.GU22691@think>
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 <AANLkTinYN+b=5qU_+pC_O6OK96JXez8QQeifdzC8dkCK@mail.gmail.com>
 <20101013004332.GK22691@think>
 <AANLkTinta=KNbF2Poync8oSTCQSsjvFErBsmGUrkpGSg@mail.gmail.com>
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Cc: cwillu <cwillu@cwillu.com>, linux-btrfs@vger.kernel.org
To: Leonidas Spyropoulos <artafinde@gmail.com>
Return-path: <linux-btrfs-owner@vger.kernel.org>
In-Reply-To: <AANLkTinta=KNbF2Poync8oSTCQSsjvFErBsmGUrkpGSg@mail.gmail.com>
List-ID: <linux-btrfs.vger.kernel.org>

On Wed, Oct 13, 2010 at 10:52:57AM +0100, Leonidas Spyropoulos wrote:
> On Wed, Oct 13, 2010 at 1:43 AM, Chris Mason <chris.mason@oracle.com>=
 wrote:
> > On Tue, Oct 12, 2010 at 02:45:19PM +0100, Leonidas Spyropoulos wrot=
e:
> >> On Tue, Oct 12, 2010 at 2:43 PM, cwillu <cwillu@cwillu.com> wrote:
> >> > On Tue, Oct 12, 2010 at 4:12 AM, Leonidas Spyropoulos
> >> > <artafinde@gmail.com> wrote:
> >> >> The above command is not working on my system.
> >> >> Information:
> >> >> btrfs f df /media/data
> >> >
> >> > btrfs f isn't unique; =A0fi is the minimum to specify "filesyste=
m"
> >> >
> >> I tried even with btrfs filesystem df /media/data
> >> and same results.
> >
> > Does strace give us any clues?
> >
> According to strace there is inappropriate ioctl for the device.
> Here is the log

I missed this before:

2.6.32-5-amd64

The df ioctl was added after 2.6.32 (2.6.33 I think).

-chris
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