Re: [PATCH v3 05/11] libmultipath: assemble_map: fix queue_if_no_path logic

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On 06/21/2017 05:06 PM, Martin Wilck wrote:
> It is wrong to remove the queue_if_no_path feature if no_path_retry
> is unset. Rather, in this case the feature should neither be added
> nor removed.
> 
> Signed-off-by: Martin Wilck <mwilck@xxxxxxxx>
> Acked-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
> ---
>  libmultipath/dmparser.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/libmultipath/dmparser.c b/libmultipath/dmparser.c
> index ba09dc72..1121c715 100644
> --- a/libmultipath/dmparser.c
> +++ b/libmultipath/dmparser.c
> @@ -89,13 +89,12 @@ assemble_map (struct multipath * mp, char * params, int len)
>  	 * We have to set 'queue_if_no_path' here even
>  	 * to avoid path failures during map reload.
>  	 */
> -	if (mp->no_path_retry == NO_PATH_RETRY_UNDEF ||
> -	    mp->no_path_retry == NO_PATH_RETRY_FAIL) {
> +	if (mp->no_path_retry == NO_PATH_RETRY_FAIL) {
>  		/* remove queue_if_no_path settings */
>  		condlog(3, "%s: remove queue_if_no_path from '%s'",
>  			mp->alias, mp->features);
>  		remove_feature(&f, no_path_retry);
> -	} else {
> +	} else if (mp->no_path_retry != NO_PATH_RETRY_UNDEF) {
>  		add_feature(&f, no_path_retry);
>  	}
>  	if (mp->retain_hwhandler == RETAIN_HWHANDLER_ON)
> 
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@xxxxxxx			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)

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