linux-kernel - Re: [PATCH] jffs2: do not use C++ style comments in uapi header

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Date:   Mon, 17 Jun 2019 10:14:34 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     linux-mtd@...ts.infradead.org,
        David Woodhouse <dwmw2@...radead.org>,
        Richard Weinberger <richard@....at>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] jffs2: do not use C++ style comments in uapi header

Hi Masahiro,

Masahiro Yamada <yamada.masahiro@...ionext.com> wrote on Tue,  4 Jun
2019 01:50:27 +0900:

> Linux kernel tolerates C++ style comments these days. Actually, the
> SPDX License Identifier for .c files uses C++ comment style.
> 
> On the other hand, uapi headers are strict, where the C++ comment
> style is banned.
> 
> Looks like these lines are temporarily commented out, so I did not
> use the block comment style.
> 
> Having said that, they have been commented out since the pre-git era.
> (so, at least 14 years). 'Maybe later' may not happen. Alternative fix
> might be to delete these lines entirely.

Richard's POV on the question would be interesting but mine would be to
simple drop these lines.

> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
> 
>  include/uapi/linux/jffs2.h | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/include/uapi/linux/jffs2.h b/include/uapi/linux/jffs2.h
> index a18b719f49d4..5dee6d930d5b 100644
> --- a/include/uapi/linux/jffs2.h
> +++ b/include/uapi/linux/jffs2.h
> @@ -77,10 +77,10 @@
>  
>  #define JFFS2_ACL_VERSION		0x0001
>  
> -// Maybe later...
> -//#define JFFS2_NODETYPE_CHECKPOINT (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 3)
> -//#define JFFS2_NODETYPE_OPTIONS (JFFS2_FEATURE_RWCOMPAT_COPY | JFFS2_NODE_ACCURATE | 4)
> -
> +/* Maybe later...
> +#define JFFS2_NODETYPE_CHECKPOINT (JFFS2_FEATURE_RWCOMPAT_DELETE | JFFS2_NODE_ACCURATE | 3)
> +#define JFFS2_NODETYPE_OPTIONS (JFFS2_FEATURE_RWCOMPAT_COPY | JFFS2_NODE_ACCURATE | 4)
> +*/
>  
>  #define JFFS2_INO_FLAG_PREREAD	  1	/* Do read_inode() for this one at
>  					   mount time, don't wait for it to

Thanks,
Miquèl