On Thu, Jan 04, 2024 at 05:49:33PM +0100, Pierre Gondois wrote:
> Add a function to count nodes in a hlist. hlist_count_nodes()
> is similar to list_count_nodes().
>
> Signed-off-by: Pierre Gondois <pierre.gondois@xxxxxxx>
Acked-by: Coly Li <colyli@xxxxxxx>
Thanks.
> ---
> include/linux/list.h | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/include/linux/list.h b/include/linux/list.h
> index 1837caedf723..0f1b1d4a2e2e 100644
> --- a/include/linux/list.h
> +++ b/include/linux/list.h
> @@ -1175,4 +1175,19 @@ static inline void hlist_move_list(struct hlist_head *old,
> pos && ({ n = pos->member.next; 1; }); \
> pos = hlist_entry_safe(n, typeof(*pos), member))
>
> +/**
> + * hlist_count_nodes - count nodes in the hlist
> + * @head: the head for your hlist.
> + */
> +static inline size_t hlist_count_nodes(struct hlist_head *head)
> +{
> + struct hlist_node *pos;
> + size_t count = 0;
> +
> + hlist_for_each(pos, head)
> + count++;
> +
> + return count;
> +}
> +
> #endif
> --
> 2.25.1
>
>
--
Coly Li
