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jeff.liu committed a8bfd4abea3
Btrfs: set/change the label of a mounted file system With this new ioctl(2) BTRFS_IOC_SET_FSLABEL, we can set/change the label of a mounted file system. Signed-off-by: Jie Liu <jeff.liu@oracle.com> Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: Miao Xie <miaox@cn.fujitsu.com> Reviewed-by: Goffredo Baroncelli <kreijack@inwind.it> Reviewed-by: David Sterba <dsterba@suse.cz> Reviewed-by: Goffredo Baroncelli <kreijack@inwind.it> Signed-off-by: Josef Bacik <jbacik@fusionio.com>