linux-kernel - Re: [PATCH v2 1/2] erofs: update print symbols for various flags in trace

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Date:   Thu, 9 Feb 2023 10:29:00 +0800
From:   Gao Xiang <hsiangkao@...ux.alibaba.com>
To:     Jingbo Xu <jefflexu@...ux.alibaba.com>, xiang@...nel.org,
        chao@...nel.org, linux-erofs@...ts.ozlabs.org, huyue2@...lpad.com
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/2] erofs: update print symbols for various flags in
 trace



On 2023/2/8 19:29, Jingbo Xu wrote:
> As new flags introduced, the corresponding print symbols for trace are
> not added accordingly.  Add these missing print symbols for these flags.
> 
> Also remove the print symbol for EROFS_GET_BLOCKS_RAW as it is going to
> be removed soon.
> 
> Signed-off-by: Jingbo Xu <jefflexu@...ux.alibaba.com>
> ---
> v2: remove print symbol for EROFS_GET_BLOCKS_RAW
> ---
>   include/trace/events/erofs.h | 13 +++++++++----
>   1 file changed, 9 insertions(+), 4 deletions(-)
> 
> diff --git a/include/trace/events/erofs.h b/include/trace/events/erofs.h
> index e095d36db939..cf4a0d28b178 100644
> --- a/include/trace/events/erofs.h
> +++ b/include/trace/events/erofs.h
> @@ -19,12 +19,17 @@ struct erofs_map_blocks;
>   		{ 1,		"DIR" })
>   
>   #define show_map_flags(flags) __print_flags(flags, "|",	\
> -	{ EROFS_GET_BLOCKS_RAW,	"RAW" })

Should we remove this in the next patch?
Otherwise it looks good to me.

Thanks,
Gao XIang

> +	{ EROFS_GET_BLOCKS_FIEMAP,	"FIEMAP" },	\
> +	{ EROFS_GET_BLOCKS_READMORE,	"READMORE" },	\
> +	{ EROFS_GET_BLOCKS_FINDTAIL,	"FINDTAIL" })
>   
>   #define show_mflags(flags) __print_flags(flags, "",	\
> -	{ EROFS_MAP_MAPPED,	"M" },			\
> -	{ EROFS_MAP_META,	"I" },			\
> -	{ EROFS_MAP_ENCODED,	"E" })
> +	{ EROFS_MAP_MAPPED,		"M" },		\
> +	{ EROFS_MAP_META,		"I" },		\
> +	{ EROFS_MAP_ENCODED,		"E" },		\
> +	{ EROFS_MAP_FULL_MAPPED,	"F" },		\
> +	{ EROFS_MAP_FRAGMENT,		"R" },		\
> +	{ EROFS_MAP_PARTIAL_REF,	"P" })
>   
>   TRACE_EVENT(erofs_lookup,
>