Re: [PATCH v2 04/20] multipath -u -i: respect entries in WWIDs file

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On Mon, Mar 19, 2018 at 04:01:39PM +0100, Martin Wilck wrote:
> Previously, if find_multipaths was set, devices listed in the WWIDs file
> weren't classified as multipath members by "multipath -u -i" unless they also
> met the "find_multipaths" criteria (at least two paths, or existing map with
> this WWID). Now we classify all paths in the WWIDs file as multipath members, too.
> 
> The rationale for this patch is to match the logic that multipathd applies
> by default (i.e. without "-n").
> 

Still calling the option ignore_wwids is a little confusing when you
aren't actually ignoring the wwids file (you're just not requiring it),
but at any rate...

Reviewed-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
> Signed-off-by: Martin Wilck <mwilck@xxxxxxxx>
> ---
>  multipath/main.c | 19 +++++++++++--------
>  1 file changed, 11 insertions(+), 8 deletions(-)
> 
> diff --git a/multipath/main.c b/multipath/main.c
> index 20f46acd924a..4d45df3cdb83 100644
> --- a/multipath/main.c
> +++ b/multipath/main.c
> @@ -437,16 +437,19 @@ configure (struct config *conf, enum mpath_cmds cmd,
>  		 * set, you need to actually check if there are two available
>  		 * paths to determine if this path should be multipathed. To
>  		 * do this, we put off the check until after discovering all
> -		 * the paths */
> -		if (cmd == CMD_VALID_PATH &&
> -		    (!conf->find_multipaths || !conf->ignore_wwids)) {
> -			if (conf->ignore_wwids ||
> +		 * the paths.
> +		 * Paths listed in the wwids file are always considered valid.
> +		 */
> +		if (cmd == CMD_VALID_PATH) {
> +			if ((!conf->find_multipaths && conf->ignore_wwids) ||
>  			    check_wwids_file(refwwid, 0) == 0)
>  				r = 0;
> -
> -			printf("%s %s a valid multipath device path\n",
> -			       devpath, r == 0 ? "is" : "is not");
> -			goto out;
> +			if (r == 0 ||
> +			    !conf->find_multipaths || !conf->ignore_wwids) {
> +				printf("%s %s a valid multipath device path\n",
> +				       devpath, r == 0 ? "is" : "is not");
> +				goto out;
> +			}
>  		}
>  	}
>  
> -- 
> 2.16.1

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