btrfs: export helpers for subvolume name/id resolution
The functions will be used outside of export.c and super.c to allow resolving subvolume name from a given id, eg. for subvolume deletion by id ioctl. Signed-off-by:Marcos Paulo de Souza <mpdesouza@suse.com> Reviewed-by:
David Sterba <dsterba@suse.com> [ split from the next patch ] Signed-off-by:
David Sterba <dsterba@suse.com>
parent
748449cd
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