Re: how to check data and metadata type

[Josef Bacik <josef@redhat.com>]

On Sun, Jan 31, 2010 at 10:17:24AM +0100, Thomas Kupper wrote:
> 
> On 31 Jan 2010, at 09:46, Thomas Kupper wrote:
> 
> > On 30 Jan 2010, at 19:20, Josef Bacik wrote:
> > 
> >> On Sat, Jan 30, 2010 at 05:57:49PM +0100, Thomas Kupper wrote:
> >>> 
> >>> On 30 Jan 2010, at 16:18, Josef Bacik wrote:
> >>> 
> >>>> On Fri, Jan 29, 2010 at 11:43:45PM +0100, Thomas Kupper wrote:
> >>>>> Just a short question:
> >>>>> 
> >>>>> How can I check the data and metadata modes of a multi-device btrfs device? btrfs-show is of no help and df is still not showing the correct size of it either (using latest btrfs kernel module and btrfs tools).
> >>>> 
> >>>> There are patches to do this for you, look for the "-i" patch for btrfs-progs
> >>>> and the "df" patch for the kernel, that will give you the information you are
> >>>> looking for.  Thanks,
> >>>> 
> >>>> Josef
> [...]
> >> 
> >> This is the btrfs-progs patch
> >> 
> >> http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg03808.html
> >> 
> >> and this is the kernel patch you'll want
> >> 
> >> http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg03807.html
> >> 
> >> Thanks,
> >> 
> >> Josef
> > 
> > Josef, do you have a user space app which uses the new IOCTL? df is using, right?
> 
> Typo: it should have written -> "df isn't using it, right?"
> 

Right df isn't using it, just btrfsctl -i uses it.  I just called the patch "df"
for lack of a better description for what it does.  Thanks,

Josef