Re: [PATCH 1/2] device-mapper: use dynamic debug instead of compile-time config option

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 2020/05/14 15:09, Hannes Reinecke wrote:
> Switch to use dynamic debug to avoid having recompile the kernel
> just to enable debugging messages.
> 
> Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
> ---
>  include/linux/device-mapper.h | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
> index af48d9da3916..4694e1bb4196 100644
> --- a/include/linux/device-mapper.h
> +++ b/include/linux/device-mapper.h
> @@ -557,12 +557,11 @@ void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size);
>  #define DMINFO(fmt, ...) pr_info(DM_FMT(fmt), ##__VA_ARGS__)
>  #define DMINFO_LIMIT(fmt, ...) pr_info_ratelimited(DM_FMT(fmt), ##__VA_ARGS__)
>  
> +#define DMDEBUG_LIMIT(fmt, ...) pr_debug_ratelimited(DM_FMT(fmt), ##__VA_ARGS__)

Why do you move this one out of the #ifdef CONFIG_DM_DEBUG scope ?

>  #ifdef CONFIG_DM_DEBUG
>  #define DMDEBUG(fmt, ...) printk(KERN_DEBUG DM_FMT(fmt), ##__VA_ARGS__)
> -#define DMDEBUG_LIMIT(fmt, ...) pr_debug_ratelimited(DM_FMT(fmt), ##__VA_ARGS__)
>  #else
> -#define DMDEBUG(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
> -#define DMDEBUG_LIMIT(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
> +#define DMDEBUG(fmt, ...) pr_debug(DM_FMT(fmt), ##__VA_ARGS__)
>  #endif
>  
>  #define DMEMIT(x...) sz += ((sz >= maxlen) ? \
> 


-- 
Damien Le Moal
Western Digital Research



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




[Index of Archives]     [DM Crypt]     [Fedora Desktop]     [ATA RAID]     [Fedora Marketing]     [Fedora Packaging]     [Fedora SELinux]     [Yosemite Discussion]     [KDE Users]     [Fedora Docs]

  Powered by Linux