On Thu, Sep 24, 2020 at 03:37:14PM +0200, mwi...@suse.com wrote:
> From: Martin Wilck <mwi...@suse.com>
> 
> Have libmpathpersist_{init,exit} do the udev initialization, too.
> 
Reviewed-by: Benjamin Marzinski <bmarz...@redhat.com>
> Signed-off-by: Martin Wilck <mwi...@suse.com>
> ---
>  libmpathpersist/mpath_persist.c | 11 ++++++++---
>  libmpathpersist/mpath_persist.h |  9 ++++++---
>  2 files changed, 14 insertions(+), 6 deletions(-)
> 
> diff --git a/libmpathpersist/mpath_persist.c b/libmpathpersist/mpath_persist.c
> index a529a38..873b419 100644
> --- a/libmpathpersist/mpath_persist.c
> +++ b/libmpathpersist/mpath_persist.c
> @@ -48,6 +48,10 @@ int libmpathpersist_init(void)
>       struct config *conf;
>       int rc = 0;
>  
> +     if (libmultipath_init()) {
> +             condlog(0, "Failed to initialize libmultipath.");
> +             return 1;
> +     }
>       if (init_config(DEFAULT_CONFIGFILE)) {
>               condlog(0, "Failed to initialize multipath config.");
>               return 1;
> @@ -74,23 +78,24 @@ mpath_lib_init (void)
>  
>  static void libmpathpersist_cleanup(void)
>  {
> -     dm_lib_exit();
>       cleanup_prio();
>       cleanup_checkers();
> +     libmultipath_exit();
> +     dm_lib_exit();
>  }
>  
>  int
>  mpath_lib_exit (struct config *conf)
>  {
> -     libmpathpersist_cleanup();
>       free_config(conf);
> +     libmpathpersist_cleanup();
>       return 0;
>  }
>  
>  int libmpathpersist_exit(void)
>  {
> -     libmpathpersist_cleanup();
>       uninit_config();
> +     libmpathpersist_cleanup();
>       return 0;
>  }
>  
> diff --git a/libmpathpersist/mpath_persist.h b/libmpathpersist/mpath_persist.h
> index 91606ef..5435eae 100644
> --- a/libmpathpersist/mpath_persist.h
> +++ b/libmpathpersist/mpath_persist.h
> @@ -176,7 +176,8 @@ struct prout_param_descriptor {           /* PROUT 
> parameter descriptor */
>   *   Initialize device mapper multipath configuration. This function must be 
> invoked first
>   *   before performing reservation management functions.
>   *   Either this function or mpath_lib_init() may be used.
> - *   Use this function to work with libmultipath's internal "struct config".
> + *   Use this function to work with libmultipath's internal "struct config"
> + *   and "struct udev". The latter will be initialized automatically.
>   *   Call libmpathpersist_exit() for cleanup.
>   * RESTRICTIONS:
>   *
> @@ -189,7 +190,8 @@ extern int libmpathpersist_init (void);
>   *   Initialize device mapper multipath configuration. This function must be 
> invoked first
>   *   before performing reservation management functions.
>   *   Either this function or libmpathpersist_init() may be used.
> - *   Use this function to work with an application-specific "struct config".
> + *   Use this function to work with an application-specific "struct config"
> + *   and "struct udev". The latter must be initialized by the application.
>   *   Call mpath_lib_exit() for cleanup.
>   * RESTRICTIONS:
>   *
> @@ -211,9 +213,10 @@ extern int mpath_lib_exit (struct config *conf);
>  
>  /*
>   * DESCRIPTION :
> - *   Release device mapper multipath configuration. This function must be 
> invoked after
> + *   Release device mapper multipath configuration a. This function must be 
> invoked after
>   *   performing reservation management functions.
>   *   Use this after initialization with libmpathpersist_init().
> + *   Calling libmpathpersist_init() after libmpathpersist_exit() will fail.
>   * RESTRICTIONS:
>   *
>   * RETURNS: 0->Success, 1->Failed.
> -- 
> 2.28.0

--
dm-devel mailing list
dm-devel@redhat.com
https://www.redhat.com/mailman/listinfo/dm-devel

Reply via email to