Re: [PATCH 1/2] [Repost] btrfslabel - user space

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On Monday 04 January 2010, Goffredo Baroncelli wrote:
> Hi all,
> 
> recently I needed to change a label of a btrfs filesystem. After a 
> bit of googling I discovered the Morey patches (dated august 2008). 
> 
> So I update the patches to the latest btrfs source. The patches 
> creates a new command called btrfslabel which is able to change the
>  label of a btrfs filesystem.
> 
> The command differentiates two cases:
> - the filesystem is mounted: the change is done by the kernel (see 
> the second patch), btrfslabel uses an ioctl to start the label changing.
> - the filesystem is unmounted: the change is performed in user space.

I forgot to mention that even if the kernel isn't patched, it is still 
possible to change a label of an unmounted btrfs filesystem.

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