On Fri, Nov 05, 2021 at 12:03:12PM +0100, mwilck@xxxxxxxx wrote:
> From: Martin Wilck <mwilck@xxxxxxxx>
Reviewed-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
>
> Enable printing pp->initialized with 'multipathd show paths format "%I"'.
> This is supposed to go on top of Ben's "multipathd: remove udev settle
> dependency" series, to simplify checking multipathd's state.
>
> ---
> libmultipath/print.c | 21 +++++++++++++++++++++
> libmultipath/structs.h | 1 +
> 2 files changed, 22 insertions(+)
>
> diff --git a/libmultipath/print.c b/libmultipath/print.c
> index 2fb9f4e..b5b9905 100644
> --- a/libmultipath/print.c
> +++ b/libmultipath/print.c
> @@ -504,6 +504,26 @@ snprint_dm_path_state (struct strbuf *buff, const struct path * pp)
> }
> }
>
> +static int snprint_initialized(struct strbuf *buff, const struct path * pp)
> +{
> + static const char *init_state_name[] = {
> + [INIT_NEW] = "new",
> + [INIT_FAILED] = "failed",
> + [INIT_MISSING_UDEV] = "udev-missing",
> + [INIT_REQUESTED_UDEV] = "udev-requested",
> + [INIT_OK] = "ok",
> + [INIT_REMOVED] = "removed",
> + [INIT_PARTIAL] = "partial",
> + };
> + const char *str;
> +
> + if (pp->initialized < INIT_NEW || pp->initialized >= __INIT_LAST)
> + str = "undef";
> + else
> + str = init_state_name[pp->initialized];
> + return append_strbuf_str(buff, str);
> +}
> +
> static int
> snprint_vpr (struct strbuf *buff, const struct path * pp)
> {
> @@ -804,6 +824,7 @@ struct path_data pd[] = {
> {'g', "vpd page data", 0, snprint_path_vpd_data},
> {'0', "failures", 0, snprint_path_failures},
> {'P', "protocol", 0, snprint_path_protocol},
> + {'I', "init_st", 0, snprint_initialized},
> {0, NULL, 0 , NULL}
> };
>
> diff --git a/libmultipath/structs.h b/libmultipath/structs.h
> index 69409fd..d8c24b5 100644
> --- a/libmultipath/structs.h
> +++ b/libmultipath/structs.h
> @@ -206,6 +206,7 @@ enum initialized_states {
> * change uevent is received.
> */
> INIT_PARTIAL,
> + __INIT_LAST,
> };
>
> enum prkey_sources {
> --
> 2.33.1
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