Re: Determine if a given fs is a btrfs fs

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On Sun, Oct 24, 2010 at 5:32 PM, Jérôme Poulin <jeromepoulin@xxxxxxxxx> wrote:
...
> p4 jerome # btrfs device scan /dev/dm-22
> Scanning for Btrfs filesystems in '/dev/dm-22'
> p4 jerome # echo $?
> 0
This is OK.

> p4 jerome # btrfs device scan /dev/sda
> Scanning for Btrfs filesystems in '/dev/sda'
> ERROR: unable to scan the device '/dev/sda'
> p4 jerome # echo $?
> 11
...
But isn't that error misleading, btrfs scan was succesfully able to
scan /dev/sda, but, it doesn't contain btrfs, right?
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