Re: [PATCH 1/3] radix-tree: Implement function radix_tree_gang_tag_if_tagged

[Nick Piggin <npiggin@suse.de>]

On Fri, Feb 12, 2010 at 12:06:22AM +0100, Jan Kara wrote:
> Implement function for setting one tag if another tag is set
> for each item in given range.
> 
> Signed-off-by: Jan Kara <jack@suse.cz>
> ---
>  include/linux/radix-tree.h |    3 ++
>  lib/radix-tree.c           |   82 ++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 85 insertions(+), 0 deletions(-)
> 
> diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
> index c5da749..41fa087 100644
> --- a/include/linux/radix-tree.h
> +++ b/include/linux/radix-tree.h
> @@ -185,6 +185,9 @@ unsigned int
>  radix_tree_gang_lookup_tag_slot(struct radix_tree_root *root, void ***results,
>  		unsigned long first_index, unsigned int max_items,
>  		unsigned int tag);
> +unsigned long radix_tree_gang_tag_if_tagged(struct radix_tree_root *root,
> +		unsigned long first_index, unsigned long last_index,
> +		unsigned int fromtag, unsigned int totag);

Really minor thing here, I think I called my equivalent something
like radix_tree_tag_set_if_tagged. We don't use tag/untag naming
but tag_set/tag_clear.