Re: [PATCH v2][next] bcache: Use fallthrough pseudo-keyword

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On 2020/7/28 07:04, Gustavo A. R. Silva wrote:
> Replace the existing /* fall through */ comments and its variants with
> the new pseudo-keyword macro fallthrough[1].
> 
> [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
> 
> Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>

I am OK with it, add it to my second for-next series.

Thanks.

Coly Li


> ---
> Changes in v2:
>  - Add missing semicolon.
> 
>  drivers/md/bcache/journal.c |  2 +-
>  drivers/md/bcache/util.c    | 14 +++++++-------
>  2 files changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
> index 77fbfd52edcf..c1227bdb57e7 100644
> --- a/drivers/md/bcache/journal.c
> +++ b/drivers/md/bcache/journal.c
> @@ -608,7 +608,7 @@ static void do_journal_discard(struct cache *ca)
>  			ca->sb.njournal_buckets;
>  
>  		atomic_set(&ja->discard_in_flight, DISCARD_READY);
> -		/* fallthrough */
> +		fallthrough;
>  
>  	case DISCARD_READY:
>  		if (ja->discard_idx == ja->last_idx)
> diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c
> index 62fb917f7a4f..ae380bc3992e 100644
> --- a/drivers/md/bcache/util.c
> +++ b/drivers/md/bcache/util.c
> @@ -33,27 +33,27 @@ int bch_ ## name ## _h(const char *cp, type *res)		\
>  	case 'y':						\
>  	case 'z':						\
>  		u++;						\
> -		/* fall through */				\
> +		fallthrough;					\
>  	case 'e':						\
>  		u++;						\
> -		/* fall through */				\
> +		fallthrough;					\
>  	case 'p':						\
>  		u++;						\
> -		/* fall through */				\
> +		fallthrough;					\
>  	case 't':						\
>  		u++;						\
> -		/* fall through */				\
> +		fallthrough;					\
>  	case 'g':						\
>  		u++;						\
> -		/* fall through */				\
> +		fallthrough;					\
>  	case 'm':						\
>  		u++;						\
> -		/* fall through */				\
> +		fallthrough;					\
>  	case 'k':						\
>  		u++;						\
>  		if (e++ == cp)					\
>  			return -EINVAL;				\
> -		/* fall through */				\
> +		fallthrough;					\
>  	case '\n':						\
>  	case '\0':						\
>  		if (*e == '\n')					\
> 




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