[dm-devel] [PATCH] libmultipath: fix wrong output of "multipath -t"

[Benjamin Marzinski]

On Mon, Feb 26, 2018 at 01:55:58PM +0100, Martin Wilck wrote:
> The default values printed by "multipath -t" or "multipathd show config"
> for "detect_prio", "detect_checker", and "retain_attached_hw_handler"
> don't match the actual compiled-in defaults. Moreover, several other
> options would also be displayed wrongly if the defaults were changed.
> 

Reviewed-by: Benjamin Marzinski <bmarzins at redhat.com>

> Signed-off-by: Martin Wilck <mwilck at suse.com>
> ---
>  libmultipath/dict.c | 25 ++++++++++++++++---------
>  1 file changed, 16 insertions(+), 9 deletions(-)
> 
> diff --git a/libmultipath/dict.c b/libmultipath/dict.c
> index 36cccc94efb4..98dfc4b8744b 100644
> --- a/libmultipath/dict.c
> +++ b/libmultipath/dict.c
> @@ -345,7 +345,7 @@ declare_def_handler(checker_timeout, set_int)
>  declare_def_snprint(checker_timeout, print_nonzero)
>  
>  declare_def_handler(flush_on_last_del, set_yes_no_undef)
> -declare_def_snprint_defint(flush_on_last_del, print_yes_no_undef, YNU_NO)
> +declare_def_snprint_defint(flush_on_last_del, print_yes_no_undef, DEFAULT_FLUSH)
>  declare_ovr_handler(flush_on_last_del, set_yes_no_undef)
>  declare_ovr_snprint(flush_on_last_del, print_yes_no_undef)
>  declare_hw_handler(flush_on_last_del, set_yes_no_undef)
> @@ -354,7 +354,8 @@ declare_mp_handler(flush_on_last_del, set_yes_no_undef)
>  declare_mp_snprint(flush_on_last_del, print_yes_no_undef)
>  
>  declare_def_handler(user_friendly_names, set_yes_no_undef)
> -declare_def_snprint_defint(user_friendly_names, print_yes_no_undef, YNU_NO)
> +declare_def_snprint_defint(user_friendly_names, print_yes_no_undef,
> +			   DEFAULT_USER_FRIENDLY_NAMES)
>  declare_ovr_handler(user_friendly_names, set_yes_no_undef)
>  declare_ovr_snprint(user_friendly_names, print_yes_no_undef)
>  declare_hw_handler(user_friendly_names, set_yes_no_undef)
> @@ -372,21 +373,24 @@ declare_def_handler(prkeys_file, set_str)
>  declare_def_snprint(prkeys_file, print_str)
>  
>  declare_def_handler(retain_hwhandler, set_yes_no_undef)
> -declare_def_snprint_defint(retain_hwhandler, print_yes_no_undef, YNU_NO)
> +declare_def_snprint_defint(retain_hwhandler, print_yes_no_undef,
> +			   DEFAULT_RETAIN_HWHANDLER)
>  declare_ovr_handler(retain_hwhandler, set_yes_no_undef)
>  declare_ovr_snprint(retain_hwhandler, print_yes_no_undef)
>  declare_hw_handler(retain_hwhandler, set_yes_no_undef)
>  declare_hw_snprint(retain_hwhandler, print_yes_no_undef)
>  
>  declare_def_handler(detect_prio, set_yes_no_undef)
> -declare_def_snprint_defint(detect_prio, print_yes_no_undef, YNU_NO)
> +declare_def_snprint_defint(detect_prio, print_yes_no_undef,
> +			   DEFAULT_DETECT_PRIO)
>  declare_ovr_handler(detect_prio, set_yes_no_undef)
>  declare_ovr_snprint(detect_prio, print_yes_no_undef)
>  declare_hw_handler(detect_prio, set_yes_no_undef)
>  declare_hw_snprint(detect_prio, print_yes_no_undef)
>  
>  declare_def_handler(detect_checker, set_yes_no_undef)
> -declare_def_snprint_defint(detect_checker, print_yes_no_undef, YNU_NO)
> +declare_def_snprint_defint(detect_checker, print_yes_no_undef,
> +			   DEFAULT_DETECT_CHECKER)
>  declare_ovr_handler(detect_checker, set_yes_no_undef)
>  declare_ovr_snprint(detect_checker, print_yes_no_undef)
>  declare_hw_handler(detect_checker, set_yes_no_undef)
> @@ -396,7 +400,8 @@ declare_def_handler(force_sync, set_yes_no)
>  declare_def_snprint(force_sync, print_yes_no)
>  
>  declare_def_handler(deferred_remove, set_yes_no_undef)
> -declare_def_snprint_defint(deferred_remove, print_yes_no_undef, YNU_NO)
> +declare_def_snprint_defint(deferred_remove, print_yes_no_undef,
> +			   DEFAULT_DEFERRED_REMOVE)
>  declare_ovr_handler(deferred_remove, set_yes_no_undef)
>  declare_ovr_snprint(deferred_remove, print_yes_no_undef)
>  declare_hw_handler(deferred_remove, set_yes_no_undef)
> @@ -417,7 +422,8 @@ declare_def_handler(strict_timing, set_yes_no)
>  declare_def_snprint(strict_timing, print_yes_no)
>  
>  declare_def_handler(skip_kpartx, set_yes_no_undef)
> -declare_def_snprint_defint(skip_kpartx, print_yes_no_undef, YNU_NO)
> +declare_def_snprint_defint(skip_kpartx, print_yes_no_undef,
> +			   DEFAULT_SKIP_KPARTX)
>  declare_ovr_handler(skip_kpartx, set_yes_no_undef)
>  declare_ovr_snprint(skip_kpartx, print_yes_no_undef)
>  declare_hw_handler(skip_kpartx, set_yes_no_undef)
> @@ -634,7 +640,8 @@ print_fast_io_fail(char * buff, int len, void *ptr)
>  }
>  
>  declare_def_handler(fast_io_fail, set_fast_io_fail)
> -declare_def_snprint_defint(fast_io_fail, print_fast_io_fail, DEFAULT_FAST_IO_FAIL)
> +declare_def_snprint_defint(fast_io_fail, print_fast_io_fail,
> +			   DEFAULT_FAST_IO_FAIL)
>  declare_ovr_handler(fast_io_fail, set_fast_io_fail)
>  declare_ovr_snprint(fast_io_fail, print_fast_io_fail)
>  declare_hw_handler(fast_io_fail, set_fast_io_fail)
> @@ -828,7 +835,7 @@ print_rr_weight (char * buff, int len, void *ptr)
>  }
>  
>  declare_def_handler(rr_weight, set_rr_weight)
> -declare_def_snprint_defint(rr_weight, print_rr_weight, RR_WEIGHT_NONE)
> +declare_def_snprint_defint(rr_weight, print_rr_weight, DEFAULT_RR_WEIGHT)
>  declare_ovr_handler(rr_weight, set_rr_weight)
>  declare_ovr_snprint(rr_weight, print_rr_weight)
>  declare_hw_handler(rr_weight, set_rr_weight)
> -- 
> 2.16.1