Re: [PATCH v2] multipath: display the correct configuration when dumpping config

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On Mon, Jun 24, 2024 at 09:45:27AM +0800, 303146950@xxxxxx wrote:
> From: Kou Wenqi <kouwenqi@xxxxxxxxxx>
> 
> "multipath -t" and "multipath -T" might show the wrong
> multipathd configuration items "retrigger_tries" and
> "force_sync". Make sure they don't.
> 
Reviewed-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
> Signed-off-by: Kou Wenqi <kouwenqi@xxxxxxxxxx>
> ---
>  multipath/main.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/multipath/main.c b/multipath/main.c
> index ce702e7f..f4abdad0 100644
> --- a/multipath/main.c
> +++ b/multipath/main.c
> @@ -842,6 +842,8 @@ main (int argc, char *argv[])
>  	char *dev = NULL;
>  	struct config *conf;
>  	bool enable_foreign = false;
> +	int retrigger_tries_ori;
> +	int force_sync_ori;
>  
>  	libmultipath_init();
>  	if (atexit(dm_lib_exit) || atexit(libmultipath_exit))
> @@ -852,7 +854,9 @@ main (int argc, char *argv[])
>  	if (atexit(uninit_config))
>  		condlog(1, "failed to register cleanup handler for config: %m");
>  	conf = get_multipath_config();
> +	retrigger_tries_ori = conf->retrigger_tries;
>  	conf->retrigger_tries = 0;
> +	force_sync_ori = conf->force_sync;
>  	conf->force_sync = 1;
>  	if (atexit(cleanup_vecs))
>  		condlog(1, "failed to register cleanup handler for vecs: %m");
> @@ -924,10 +928,14 @@ main (int argc, char *argv[])
>  				conf->find_multipaths = FIND_MULTIPATHS_GREEDY;
>  			break;
>  		case 't':
> +			conf->retrigger_tries = retrigger_tries_ori;
> +			conf->force_sync = force_sync_ori;
>  			r = dump_config(conf, NULL, NULL) ? RTVL_FAIL : RTVL_OK;
>  			goto out;
>  		case 'T':
>  			cmd = CMD_DUMP_CONFIG;
> +			conf->retrigger_tries = retrigger_tries_ori;
> +			conf->force_sync = force_sync_ori;
>  			break;
>  		case 'h':
>  			usage(argv[0]);
> -- 
> 2.27.0
> 





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