[dm-devel] [PATCH v3] multipathd: fix path checkint not changed when path state changed from delay to failed

[Benjamin Marzinski]

On Mon, Dec 21, 2020 at 11:13:38AM +0800, wucy11 wrote:
> Hi all,
> The new patch shown as below acocording to ben's suggestion,  please ignore v2,
> thanks.
> 
> From 31ec4e9c270ff854b8edc526c5bcc9b24608d751 Mon Sep 17 00:00:00 2001
> From: Chongyun Wu <wucy11 at chinatelecom.cn>
> Date: Wed, 16 Dec 2020 13:59:16 +0800
> Subject: [PATCH] multipathd: fix path checkint not changed when path state
>  form delay to failed
> 
> Check_path: when path state change back to failed from delay state, should
> change
> this path's check interval time to the shortest delay to faster path state
> check.
> 
Reviewed-by: Benjamin Marzinski <bmarzins at redhat.com>
> Signed-off-by: Chongyun Wu <wucy11 at chinatelecom.cn>
> ---
>  multipathd/main.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/multipathd/main.c b/multipathd/main.c
> index a4abbb27..9fd34e97 100644
> --- a/multipathd/main.c
> +++ b/multipathd/main.c
> @@ -2166,6 +2166,11 @@ check_path (struct vectors * vecs, struct path * pp,
> unsigned int ticks)
>   (pp->state == PATH_DELAYED)) {
>   /* If path state become failed again cancel path delay state */
>   pp->state = newstate;
> + /*
> + * path state bad again should change the check interval time
> + * to the shortest delay
> + */
> + pp->checkint = checkint;
>   return 1;
>   }
>   if (!pp->mpp) {
> -- 
> 2.29.2.windows.3
> 
> Best Regard,
> Chongyun Wu