Re: [PATCH 2/2] RDMA/rtrs-clt: Use bitmap_empty()

From: Jinpu Wang
Date: Mon Jul 11 2022 - 08:51:45 EST


On Fri, Jul 8, 2022 at 6:47 PM Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx> wrote:
>
> Use bitmap_empty() instead of hand-writing them.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Acked-by: Jack Wang <jinpu.wang@xxxxxxxxx>
Thx!
> ---
> drivers/infiniband/ulp/rtrs/rtrs-clt.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
> index 06c27a3d83f5..8441f0965b56 100644
> --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
> +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
> @@ -1433,12 +1433,10 @@ static int alloc_permits(struct rtrs_clt_sess *clt)
>
> static void free_permits(struct rtrs_clt_sess *clt)
> {
> - if (clt->permits_map) {
> - size_t sz = clt->queue_depth;
> -
> + if (clt->permits_map)
> wait_event(clt->permits_wait,
> - find_first_bit(clt->permits_map, sz) >= sz);
> - }
> + bitmap_empty(clt->permits_map, clt->queue_depth));
> +
> bitmap_free(clt->permits_map);
> clt->permits_map = NULL;
> kfree(clt->permits);
> --
> 2.34.1
>